2017年12月14日星期四

Tungsten Carbide Hammer

Tungsten carbide hammer is composite by tungsten carbide and steel, in order to reduce the costs, the working parts is tungsten carbide, and this part is just a little part.

Chinatungsten Online are the professional manufacturer and supplier of tungsten carbide hammers, we are able to provide kinds of tungsten carbide hammers.

Tungsten Carbide Hammer Picture
Tungsten carbide hammer owns the properties of a narrow range of concentrations of mixtures of carbon and iron that make steel, a number of different metallurgical structures, with very different properties can form. Understanding such properties is essential to making quality steel. At room temperature, the most stable form of pure iron is the body-centered cubic (BCC) structure called ferrite or α-iron. It is a fairly soft metal that can dissolve only a small concentration of carbon, no more than 0.005% at 0 °C (32 °F) and 0.021 wt% at 723 °C (1,333 °F). At 910 °C pure iron transforms into a face-centered cubic (FCC) structure, called austenite or γ-iron. The FCC structure of austenite can dissolve considerably more carbon, as much as 2.1% (38 times that of ferrite) carbon at 1,148 °C (2,098 °F), which reflects the upper carbon content of steel, beyond which is cast iron.

If you have any inquires concerning tungsten carbide products, please do not hesitate to e-mail us by : sales@chinatungsten.com

Tungsten Carbide Indexable Inserts

Tungsten carbide inserts are replaceable and usually indexable bits of cemented carbide used in machining steels, cast iron, high temperature alloys, and nonferrous materials. Tungsten carbide indexable inserts allow faster machining and leave better finishes on metal parts. Tungsten carbide indexable inserts can withstand higher temperatures than high speed steel tools.

Tungsten carbide indexable inserts are composed of a metal matrix composite where carbide particles act as the aggregate and a metallic binder serves as the matrix. The process of combining the carbide particles with the binder is referred to as sintering. During this process, the binder eventually will be entering the liquid stage and carbide grains remain in the solid stage. The binder is embedding/cementing the carbide grains and thereby creates the metal matrix composite with its distinct material properties. The naturally ductile metal binder serves to offset the characteristic brittle behavior of the carbide ceramic, thus raising its toughness and durability. Such parameters of carbide can be changed significantly within the carbide manufacturer's sphere of influence, primarily determined by grain size, cobalt content, dotation, and carbon content.

Tungsten Carbide Indexable Inserts Picture
Tungsten carbide indexable inserts are more expensive per unit than other typical tool materials, and it is more brittle, making it susceptible to chipping and breaking. To offset these problems, the carbide cutting tip itself is often in the form of a small insert for a larger tipped tool whose shank is made of another material, usually carbon tool steel. This gives the benefit of using carbide at the cutting interface without the high cost and brittleness of making the entire tool out of carbide. Most modern face mills use carbide inserts, as well as many lathe tools and endmills.

Our products provide optimum performance for a broad range of operations, including contouring, facing, slotting, and ramping. Inserts feature a unique and highly developed combination of substrate and coating configurations that can handle any workpiece material in any machining environment. Dapra is a leading manufacturer of cutting tools for the automotive, die and mold, machining, medical and aerospace industries.

If you have any inquires concerning tungsten carbide products, please do not hesitate to e-mail us by : sales@chinatungsten.com

2017年12月6日星期三

Tungsten Carbide Drawing Dies

Tungsten carbide drawing dies for high-quality carbide core, with high hardness, good thermal conductivity, low coefficient of friction. Carbide drawing dies making simple, corrosion, impact resistance, low price is a significant feature of this product is suitable for ferrous metals, large size wire drawing, and drawing disadvantaged occasions.

Tungsten Carbide Drawing Dies Picture
Tungsten carbide drawing dies, core processing and loading process mold inserts sets of points should be noted; mainly manufactured in four steps:1.A blank mold processing; 2.Installed inlay interference; 3.Drawing die die sets processing; 4.Replace the inlay craft.

Tungsten carbide drawing dies cores during sintering shrinkage will produce different batches because ingredients, pressing and sintering processes are different, there are large differences in the amount of shrinkage; die blanks all parts vary the amount of shrinkage, often form a "saddle" or "bell" shape. Dimensions fluctuations die blanks, although in line with standard die blanks, but far more than the mold inserts suit the requirements of interference caused when loading inserts core prestressed bear serious inequality, mold life greatly reduced, and therefore, must die blanks were cylindrical grinding, grinding machine using a special need in the fixtures, diamond grinding wheel.

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What is Tungsten Carbide Blank

Tungsten carbide blank is a kind of solid tungsten carbide. They are made of grains of tungsten and carbon held together in a matrix of metal such as cobalt or nickel. There are many different grades of tungsten carbide. Refer to our carbide and advanced material section for more articles on carbide.

Tungsten Carbide Blank Picture
Tungsten carbide blank material can be called a powdered metal because tungsten is a metal. It is also classified as a ceramic. Ceramics are often defined as a class of materials that are not anything else. It can actually make the most sense to think of tungsten carbide as a ceramic when you are using it and a powdered metal when you make it.

Tungsten and most metals arrange themselves in a lattice which is like a 3 D version of a chain link fence. Under great heat and pressure the carbon atoms are actually packed inside the tungsten atoms instead of being joined side by side as with ordinary compounds.

Tungsten carbide blanks are very common material on any sort of cutting tool: For example, saw blades, lathe bits, drill bits, router bits and dental drilling tips are generally made of carbide. Carbide is so popular in these sorts of tools because it stays sharper longer than most other materials. Additionally, some ball-point pens use carbide balls because it helps the pen last longer.

With something like a carbide blanks, the main body of the blade is made of steel. The small tips of carbide are brazed on to the body. A good carbide tip might hold an edge ten to twenty times longer than a tool steel tip.

If you have any inquires concerning the tungsten carbide products, please do not hesitate to e-mail us by : sales@chinatungsten.com

2017年11月8日星期三

Tungsten Carbide Plates

CHINATUNGSTEN ONLINE manufacture tungsten carbide plates in different specifications according to clients' specific requirements. The surface condition are divided as sintered blank and grinding, which meet different products applications. Following is a drawing showing the carbide plates we supplied.

Tungsten Carbide Plates Picture
Tungsten carbide plates are used for cutting metal, wood and other materials. The advantages of our carbide cutting plates are smooth, fast cutting speed and have a long service time. Unlimited tracks of grades and sizes of carbide plates are available in our company.

We produce tungsten carbide plates in different sizes and qualities. We accept orders of all types of special products designed for our customers.
All our tungsten carbide plate products must be inspected strictly and only those without any damage, such as pores can be sent out.

Features of Tungsten Carbide Plates
1, Excellent thermal stability and high resistance to deformation;
2, In the high temperature with high mechanical temperature;
3, Good thermal shock resistance;
4, High thermal conductivity;
5, Excellent oxidation control;
6, High corrosion resistance at high temperatures;
7, Excellent anti-chemical corrosion resistance;
8, High wear resistance;
9, Long life.

If you have any inquires concerning tungsten carbide plates, please do not hesitate to e-mail us by: sales@chinatungsten.com

Tungsten Carbide Disc Cutter

Tungsten carbide disc cutter is of good wear resistance, small grinding force, low grinding temperature and good quality of processing that are offered with ground or blanks condition.

By varying the grain size of the tungsten carbide and the cobalt content in the matrix, and adding other materials, engineers have access to a class of materials whose properties can be tailored to a variety of engineering applications. This includes high tech tools, wear parts and tools for the construction mining and oil and gas sector.
Tungsten Carbide Disc Cutter Picture

Tungsten carbide disc cutter is special cutting instrument which utilizes abrasive powders and high speed, vibratory motion to cut discs, holes, cylinders, squares and other shapes from hard, brittle materials. Tungsten carbide disc cutter is widely used to cut paper, tile, tobacco, PCB board, aluminum, stainless steel, copper and other metals.

Tungsten carbide disc cutter is variously used in different industrial applications. Tungsten carbide cutter offers high tolerance and optimal chip breaker design with abrasion resistant edge. Tungsten carbide disc cutter is ideal for a variety of tasks. It easily cut through concrete, stone, brick, paving, reinforced concrete and even steel rebar and mesh reinforcement.

If you have any inquires concerning tungsten carbide disc cutter, please do not hesitate to e-mail us by: sales@chinatungsten.com

2017年11月2日星期四

Tungsten Carbide Tip

Tungsten carbide is a very common material on any sort of cutting tool: For example, saw blades, lathe bits, drill bits, router bits and dental drilling tips are generally made of carbide. It is so popular in these sorts of tools because it stays sharper longer than most other materials.

With something like a tungsten carbide tip, the main body of the blade is made of steel. The small tips of tungsten carbide are brazed on to the body. A good tungsten carbide tip might hold an edge ten to twenty times longer than a tool steel tip.

Tungsten Carbide Tip Picture
Chinatungsten Online can produce various tungsten carbide tip, cemented carbide tip, gripped tip, end mill, drill, mining tip, which can be produced according to your print or drawings.

We are a professional manufacturer of tungsten carbide tip:

We have a few senior engineers who specializes in tungsten carbide field for many decades. We can select appropriate grade and composition according to your application and your requirements.
For your non-standard parts, we have strong ability to make mold by ourselves, and produce them per your requirements.
We have strict quality control and assurance system to guarantee the consistent quality. 

If you have any inquires concerning tungsten carbide tip, please do not hesitate to e-mail us by: sales@chinatungsten.com

Cemented Carbide Polished Ball

Cemented Carbide Polished Ball Picture
Cemented carbide polished ball has extremely bright and smooth spherical surface finish can be achieved G25 grinding with high hardness and wear resistance and low friction coefficient, therefore, cemented carbide ball can be used as wear-resistant cemented carbide precision parts manufacturing applications on a variety of high-tech equipment and items such as pens industry, bearings, instruments, meters and other industries. cemented carbide grinding balls are usually processed further refinements of the ball in the blank on the basis of the system, first by preparing a certain ratio of cemented carbide powder and cobalt powder (or nickel powder) mixes with the ball machine squeeze pressure to generate blank cemented carbide ball, eventually by lapping machines and other advanced equipment on the blank surface for the lapping process, thus derived cemented carbide grinding balls. cemented carbide grinding balls with high strength, high wear resistance, high-precision, high temperature resistance, corrosion resistance and other characteristics, widely used in the petroleum industry and other aspects of the valve seal ball.

Cemented carbide polished ball is polished from blank ball, which are able to reach the surface of G25, with high density, high wear resistance and small friction,are widely used in high-tech equipment and petroleum, ball seal and other industries.

If you have any inquires concerning tungsten carbide ball, please do not hesitate to e-mail us by: sales@chinatungsten.com

2017年10月16日星期一

Tungsten Carbide Round Rod

Tungsten carbide round rod has been ground to achieve the precise shape and size, and has a precision tolerance. The tungsten carbide round rod provides high wear resistance, and good corrosion and heat resistance. Tensile strength, used to indicate the material's overall strength, is the peak stress it can withstand before it breaks. Corrosion resistance describes the material's ability to prevent deterioration caused by atmosphere, moisture, or other medium. Wear resistance indicates the ability to prevent surface damage caused by contact with other surfaces. Hardness describes its resistance to permanent surface deformation.

Tungsten Carbide Round Rod Picture
Tungsten carbide round rod is mainly applied in making drills, end mills and reamers. And it is also used for cutting, punching and measuring tools. It is used in the industries of paper making, package, printing, non-ferrous metal processing. Also, it is widely used processed as HSS cutting tool, carbide end mills, carbide cutting tool, NAS Cutting tool, Aerospace cutting tool, carbide drill, milling cutter core drill, high speed steel, taperd end mills, metric end mills, miniature end mills, pilot reamer, electronics cutter, step drill, double margin drill, metal cutting saw, gun barrel, angle milling cutter, carbide burrs, carbide tipped cutter etc.

The grade of YG6, YG6X, YG8 is better wear resistant than Mk6, it can used for hard wood, processing original wood aluminum section bar, brass rod and cast iron, etc. The grade of YG10 is wear and percussion resistance, used for processing hard wood, soft wood ferrous and non-ferrous.

If you have any inquires concerning tungsten carbide products, please do not hesitate to e-mail us by : sales@chinatungsten.com

Tungsten Carbide Square Rod

Tungsten carbide square rod is a shape for square, and it is a kind of rod. Tungsten carbide square rod is a hard, brittle ceramic which, when combined with 6% to 10% Cobalt, forms a tough cermet. This material was developed for use in cutting tools, having hard ceramic crystals of a few microns in size within a ductile metal matrix. The resulting material can withstand the high compressive stresses imposed during cutting, as well as having good wear and oxidation resistance at the high temperatures reached. Tungsten carbide square bar has a high resistance to thermal shock, so is able to withstand the rapid temperature fluctuations. Also, this has found a use as electrodes for Electrode Discharge Machining(EDM).

Tungsten Carbide Square Rod Picture
Tungsten carbide square rod not only can be used as cutting and drilling tools(such as micron drills, twiste-drills, vertical mining cutter index able file)also can be used as typing needles, rollers various wear parts and structural materials. Besides, it can be extensively used in many fields, such as mechanical, chemical, petroleum, metallurgical, electronic and national defense industry.

Chinatungsten Online supply premium grade tungsten carbide square rod from stock in unground, center-less ground and polished form. What's more, we also supply Tungsten carbide square rod according to drawing supplied by customers. Besides, we can offer you high-quality products at a competitive price. We are very please to try our best work for you better. In addition, we can provide customer with accurate appearance, size, and you can choose any tungsten carbide grade as you like.

If you have any inquires concerning tungsten carbide products, please do not hesitate to e-mail us by : sales@chinatungsten.com

2017年10月11日星期三

Tungsten Carbide Studs

Tungsten carbide studs can be easily installed and removed without professional installation tools. It can also be disassembled according to the season, when not being used the snow tire studs could be removed lightly and stored for use again in the following season. Choose appropriate size of new studs in the installation process in terms of the depth of tire thread.

Tungsten carbide studs, the primary working parts of tire studs, is one of our main export products. Being assembled with the outer shell of tire studs, which can be fixed to the surface of tire as a whole for antiskid effect. Through nearly four years of exploration and experience accumulation, production technology and quality control measures of our company have been fully mature.

Tungsten Carbide Studs Picture
Tungsten Carbide Studs Advantages
--Good performance of anti-skid with corners
--High density, good wear resistance
--Strict tolerance controlled
--100% virgin raw material
--Automated production capacity
--Short and on time delivery
--All the specifications can be used in tire stud
--Samples will be given upon the inquiry
--Customized order is available

If you have any inquires concerning tungsten carbide products, please do not hesitate to e-mail us by : sales@chinatungsten.com

Tungsten Carbide Pin

Chinatungsten Online have specialized in manufacturing tungsten products, especially tungsten carbide tools, tungsten alloy parts, tungsten heater, wire and etc. for 2 decades. Tungsten carbide pin has always been our main products through the years, we have developed expertise in manufacturing a wide range of them. It was made of tungsten carbide, which is form by a fine gray powder that can be pressed and formed into shapes for use in industrial machinery, tools, abrasives,as well asjewelry.

Chinatungsten Online produces a series tungsten carbide pin for the tyre stud/spike, due to the application of the double-action pressing machines and the well-prepared materials. Our tungsten carbide pins can improve the property of slip-resistance and also lead the tyres a long life time. It can be controlled within a very tight tolerance at +/-0.05mm.

Tungsten Carbide Pin Picture
All of our materials for the tungsten carbide pin is made from the electrolytic materials which made by our own powder plant, so, our quality is fine and the price is competitive. Any of your inquiry about our carbide pins will be highly welcomed.

Tungsten carbide pin is usually made of tungsten carbide powder with the cobalt powder as the binder, and then sintered to the shape of small cylinders. They can be inserted into other covets or parts to work, and the most important application of tungsten carbide pins are in the tungsten carbide studded tires and shoes, which are quite popular among those countries with lots of snow to protect the cars or people from slipping.

We produce different sizes and different shapes of carbide pins, studs, nails, used for shoes, horses, buses, trucks, auto cycle, etc. We believe that our prominent quality, favorable price and excellent service would be useful for your business.

If you have any inquires concerning tungsten carbide products, please do not hesitate to e-mail us by : sales@chinatungsten.com

2017年9月21日星期四

Tungsten Carbide Button

Tungsten carbide button has good hardness (86 ~ 93HRA, equal to 69 ~ 81HRC), good heat hardness (reach 900 ~ 1000 ℃, keep 60HRC), good wear resistance and other excellent performances. It is a high hardness refractory metal carbides (WC, TiC) micron powder as a main component, cobalt (Co) or nickel (Ni), molybdenum (Mo) as a binder, in a vacuum furnace or a hydrogen reduction furnace sintered powder metallurgy products. ⅣB, ⅤB, ⅥB metal carbides, nitrides, borides, and so on called as cemented carbide, due to their particularly high hardness and melting point. 

Tungsten Carbide Button Picture
Tungsten carbide button has all characteristics of cemented carbide, which can be directly divided into two compounds of tungsten and carbon, WC and tungsten semi-carbide, W2C. Both compounds may be present in coatings and the proportions can depend on the coating method. 

Tungsten carbide button bits are widely applied for rock tools, mining tools for use in quarrying, and mining, tunneling, and civil constructions. Also, tungsten carbide buttons are fitting for serving as drill heads of heavy rock-digging machines, plumbun heads are used in deep hole drilling terrace vehicles.

According to the different oil-field drilling machinery such as roller cone bits, DTH bits, geotechnical drilling tools, drifter bits, button is divided into different standard styles : P type flat-top bits, Z type coin spherical bits, X type wedge bits. Quality is guaranteed by our steady and higher technique. Carbide buttons are used in the coal buttons drilling tools, mine machinery tools and road maintenance tools for snow clearing and road cleaning.

If you have any inquires concerning tungsten carbide button, please do not hesitate to e-mail us by : sales@chinatungsten.com

Tungsten Carbide Rods

Tungsten carbide rods include rods with the shapes of round, rectangular and square, solid rods and rods with one or more straight or coolants. The grades are mostly fine and super fine grain with high performance.

Tungsten carbide rod applications include drill bits, end mills, and reamers. Custom diameters and length are also available in these grades as well as metric sizes.

Tungsten Carbide Rods Picture
Tungsten carbide rods are mostly applied for end mill and drill with sub-micron grain grade YG10X, for non-ferrous precision cutting and wood cutting with Sub-micron grain grade YG6X, and for fibreglass reinforced plastics, titanium alloys, hardened steel with Ultra-fine grain grade YG8X, ect.

Tungsten carbide rods are manufactured as standards with one, two, or three holes, straight or twisted to a 30 or 40 degree helix, or solid with no holes. All rods are available in standard lengths of 310 and 330 mm. Custom lengths available by request.

If you have any inquires concerning tungsten carbide rods, please do not hesitate to e-mail us by : sales@chinatungsten.com

2017年9月7日星期四

Tungsten Carbide Tip

Tungsten Carbide Tip Picture
Tungsten carbide is a very common material on any sort of cutting tool: For example, saw blades, lathe bits, drill bits, router bits and dental drilling tips are generally made of carbide. It is so popular in these sorts of tools because it stays sharper longer than most other materials.

With something like a tungsten carbide tip saw blade, the main body of the blade is made of steel. The small tips of tungsten carbide are brazed on to the body. A good tungsten carbide tip might hold an edge ten to twenty times longer than a tool steel tip.
Chinatungsten Online can produce various tungsten carbide tip, cemented carbide tip, gripped tip, end mill, drill, mining tip, which can be produced according to your print or drawings.

We are a professional manufacturer of tungsten carbide tip:

We have a few senior engineers who specializes in tungsten carbide field for many decades. We can select appropriate grade and composition according to your application and your requirements.
For your non-standard parts, we have strong ability to make mold by ourselves, and produce them per your requirements.
We have strict quality control and assurance system to guarantee the consistent quality.

If you have any inquires concerning tungsten carbide tip, please do not hesitate to e-mail us by: sales@chinatungsten.com

Cemented Carbide Polished Ball

Cemented Carbide Polished Ball Picture
Cemented carbide polished ball has extremely bright and smooth spherical surface finish can be achieved G25 grinding with high hardness and wear resistance and low friction coefficient, therefore, cemented carbide ball can be used as wear-resistant cemented carbide precision parts manufacturing applications on a variety of high-tech equipment and items such as pens industry, bearings, instruments, meters and other industries. cemented carbide grinding balls are usually processed further refinements of the ball in the blank on the basis of the system, first by preparing a certain ratio of cemented carbide powder and cobalt powder (or nickel powder) mixes with the ball machine squeeze pressure to generate blank cemented carbide ball, eventually by lapping machines and other advanced equipment on the blank surface for the lapping process, thus derived cemented carbide grinding balls. cemented carbide grinding balls with high strength, high wear resistance, high-precision, high temperature resistance, corrosion resistance and other characteristics, widely used in the petroleum industry and other aspects of the valve seal ball.

Cemented carbide polished ball is polished from blank ball, which are able to reach the surface of G25, with high density, high wear resistance and small friction,are widely used in high-tech equipment and petroleum, ball seal and other industries.

If you have any inquires concerning tungsten carbide ball, please do not hesitate to e-mail us by: sales@chinatungsten.com

2017年8月14日星期一

Tungsten Carbide Washer

Tungsten Carbide Washer Picture
Washer, is widely used in machinery, equipment, piping and where with fluid. Which is a kind of material with high sealing application. Washer with two material for metal and nonmetallic, after cutting, stamping or cutting process made, mechanical seals and mechanical seal between the pipe connection between the machinery and equipment used in connection. Washer material can be divided into metal washer and non-metallic washer.

Tungsten carbide washer with high hardness, wear resistance, strength and toughness, and also with excellent properties of heat-resistant, corrosion-resistant and so on. Especially its high hardness and wear resistance, even at a temperature of 500 ℃ also remained unchanged, at 1000 ℃ still with high hardness.

Features

1.Tungsten carbide washer with high wear resistance and corrosion resistance, is widely used in petroleum and chemical industry, products include PH, TH and so on, the specification is from Ø12mm to Ø300mm.
2.After grinding, with minimum dimensions and tolerances, and excellent sealing performance.
3.Adding corrosion-resistant rare elements in processing, with more durable sealing performance.
4.Use high strength and hardness tungsten carbide material, with no distortion and more compression.

If you have any inquires concerning tungsten carbide products, please do not hesitate to e-mail us by : sales@chinatungsten.com.

Tungsten Carbide Mechanical Seals

Tungsten Carbide Mechanical Seals Picture
Tungsten carbide mechanical seals with excellent properties of high hardness, wear resistance, strength and toughness, high heat-resistant and corrosion-resistant. Even if in the temperature of 500℃, the products will also keep unchanged, and will have very high hardness in 1000℃.

Application

Tungsten carbide was widely used as cutting tools, such as turning, milling, planer, drill, boring and so on. Now the new tungsten carbide cutting tools are equal to several hundred times the carbon steel.

Features

1. Tungsten carbide mechanical seals are the most wear seals.
2. Tungsten is 10 times harder than gold, 5 times than steel tool, 4 times than titanium.
3. As the high hardness, tungsten carbide mechanical seals are able to keep their shape with the longest time.
4. Tungsten carbide mechanical seals are also called "Permanently polished ring".
5. Tungsten carbide mechanical seals will never bend.

If you have any inquires concerning tungsten carbide products, please do not hesitate to e-mail us by : sales@chinatungsten.com.

2017年8月3日星期四

Tungsten Carbide Universal Ball

Universal ball is usually made of carbon steel, galvanized steel, bearing steel, steel and so on. But as it needs higher properties in some environments, tungsten carbide with high wear resistance, high T.R.S., which is the best choice for the universal ball. The general universal ball is suitable for the industries of electronics, metals, machinery, chemicals, food, forest, mining, books, supermarkets and rubber. But the tungsten carbide universal ball is widely used in transmission systems, feed systems, processing systems, processing machinery, packaging machinery and auxiliary equipment.

Tungsten Carbide Universal Ball Picture
As the tungsten carbide universal ball with scroll flexible, the working board on which to run, material boxes and other objects can be very flexible slip, thus greatly reducing the labor intensity, density can be set depending on the universal ball bearing requirements, can choose different bearing capacity of universal ball.

High wear resistance, high T.R.S., preservative, long lifespan, anti-bending, will retain the original characteristics even if used in the harsh conditions environment, can replace all steel ball products.

If you have any inquires concerning tungsten carbide products, please do not hesitate to e-mail us by : sales@chinatungsten.com.

Tungsten Carbide Precision Balls

Tungsten carbide precision balls in grades 3, 5, 10 and 24. The lower the number grade, the higher precision the ball is. Chinatungstn Online can provide quick turnaround on any size order at competitive prices. As a tungsten carbide precision ball manufacturer, we have years of experience that it is excited to share with prospective clients.

Tungsten carbide itself is practically inert and any attack is usually on the cobalt binder. The selection of tungsten carbide solely for corrosion resistance is usually not justified as lower cost materials are available.

Tungsten Carbide Precision Balls Picture
Super precision balls with a diameter tolerance of ±.00001". Surface finish: 1 micro-inch. Specially treated for dimensional stability. For use as tool-room masters, measuring standards etc. Size range: 1 / 16" to 1"; 1mm to 25mm.

Tungsten carbide precision balls are used in a wide variety of applications including bearings, medical equipment, ball screws, valves, testing equipment and a multitude of other applications where diameter, surface finish, and roundness are critical. Tungsten carbide high precision balls inside of a mini snap case along with a Schelle mini decal.

If you have any inquires concerning tungsten carbide products, please do not hesitate to e-mail us by : sales@chinatungsten.com.

2017年7月18日星期二

Tungsten Carbide Rod

Tungsten carbide rod is mostly applied for drill bits, end mills, and reamers with sub-micron grain grade YG10X, for non-ferrous precision cutting and wood cutting with grade YG6X, and for fiberglass reinforced plastics, titanium alloys, hardened steel with ultra-fine grain grade YG8X, etc.

Tungsten carbide rod include the shapes of round, rectangular and square, solid rods and rods with one or more straight or coolants. The grades are mostly fine and super fine grain with high performance.

We supply premium grade tungsten carbide rod from stock in unground, centerless ground and polished form.Recommended Grade for tungsten carbide rod: YG6, YG8, YG6X, YG012, YG013, YG8A etc.

Tungsten Carbide Rod Picture
We are ISO 9001 certified manufacturer of tungsten carbide rod for turning, milling, drilling, grooving and threading applications. We have over 10 years of experience manufacturing cemented tungsten carbide products. Our company's expertise in grade development, manufacturing, and application engineering assure customers the best choice for their unique requirements. Our advanced pressing and shaping systems give us the flexibility to offer numerous grades and sizes of tungsten carbide rods.

Tungsten carbide rod is manufactured as standards with one, two, or three holes, straight or twisted to a 30 or 40 degree helix, or solid with no holes. All rods are available in standard lengths of 310 and 330 mm. Custom lengths available by request.

If you have any inquires concerning tungsten carbide products, please do not hesitate to e-mail us by : sales@chinatungsten.com

Tungsten Carbide Plate

Chinatungsten Online is a special tungsten carbide manufacturer and exporter in mainland of China, it supplies nearly all kinds of products made of tungsten carbide, e.g. tungsten carbide block, tungsten carbide strips, tungsten carbide rods, tungsten carbide seals, tungsten carbide button and so on.

Tungsten carbide plate is widely known as one kind of carbide cutting tools, it's available for different grinding geometric parameters and suitable for both cutting materials and nonmetal materials, also carbide boring bars can be applied to conventional,tungsten carbide insert, semi-automatic lathe, automatic lathe and planning machine to work grooves and operate cutting, etc. 

Tungsten Carbide Plate Picture

Advantages of Tungsten Carbide Plate
1. High hardness after quenching and tempering  
2. Excellent wear resistance
3. Excellent hot-work performance
We have many years' experience to supply our clients the mentioned high-quality tungsten carbide block with the most competitive prices. If you are interested in any products or have any questions, please CONTACT US directly.
It is always our principles to offer our best service to any clients at any time.

If you have any inquires concerning tungsten carbide products, please do not hesitate to e-mail us by : sales@chinatungsten.com

2017年7月10日星期一

Tungsten Carbide Chemical Properties

There are two well-characterized compounds of tungsten and carbon, WC and tungsten semicarbide, W2C. Both compounds may be present in coatings and the proportions can depend on the coating method.

At high temperatures tungsten carbide decomposes to tungsten and carbon and this can occur during high-temperature thermal spray, e.g., in high velocity oxygen fuel (HVOF) and high energy plasma (HEP) methods.

Oxidation of tungsten carbide starts at 500–600 °C (932–1,112 °F). It is resistant to acids and is only attacked by hydrofluoric acid/nitric acid (HF/HNO) mixtures above room temperature. It reacts with fluorine gas at room temperature and chlorine above 400 °C (752 °F) and is unreactive to dry H2 up to its melting point. Finely powdered WC oxidizes readily in hydrogen peroxide aqueous solutions. At high temperatures and pressures it reacts with aqueous sodium carbonate forming sodium tungstate, a procedure used for recovery of scrap cemented carbide.
Tungsten Copper Block Picture

If you have interest in tungsten carbide products, please do not hesitate to e-mail us by : sales@chinatungsten.com.

Tungsten Carbide Physical properties

Tungsten carbide has a high melting point at 2,870 °C (5,200 °F), a boiling point of 6,000 °C (10,830 °F) when under a pressure equivalent to 1 standard atmosphere (100 kPa), a thermal conductivity of 110 W·m?1·K?1,and a coefficient of thermal expansion of 5.5 μm·m?1·K?1.

Tungsten Carbide Plate Picture
Tungsten carbide is extremely hard, ranking about 9 on Mohs scale, and with a Vickers number of around 2600.It has a Young's modulus of approximately 530–700 GPa, a bulk modulus of 630–655 GPa, and a shear modulus of 274 GPa. It has an ultimate tensile strength of 344 MPa, an ultimate compression strength of about 2.7 GPa and a Poisson's ratio of 0.31.

The speed of a longitudinal wave (the speed of sound) through a thin rod of tungsten carbide is 6220 m/s.

Tungsten carbide's low electrical resistivity of about 0.2 μΩ·m is comparable with that of some metals (e.g. vanadium 0.2 μΩ·m).

Tungsten carbide is readily wetted by both molten nickel and cobalt. Investigation of the phase diagram of the W-C-Co system shows that WC and Co form a pseudo binary eutectic. The phase diagram also shows that there are so-called η-carbides with composition (W,Co)
6C that can be formed and the brittleness of these phases makes control of the carbon content in WC-Co hard metals important.

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2017年6月11日星期日

Tungsten Carbide Punch

Tungsten carbide punch is mounted on metal parts stamping die, used in direct contact the material, and make the material ieformed, cutted. Tungsten carbide punch is a necessary accessorie to stamping die. Tungsten carbide punch depending on the punching material and thickness, to select a different alloy. Under normal circumstances, be thicker stamping products, tungsten carbide is better to choose the lower hardness and toughness of the model; the harder the material, select a slightly lower hardness models, which can effectively avoid the washed missing. When stamping relatively thin sheet metal , or hardness is not high, and hole machining of this product, tungsten steel punch can select higher hardness, thereby increasing the life of tungsten carbide punch. Tungsten carbide punch according to the different needs of the product, to produce different shapes, for example, a batch of drilling, the computer's chassis, there are a lot of top vents, as well as mobile phones, many of the electrical appliances, machinery the hole machining.

Applications
Tungsten Carbide Punch Picture
Due to the high punch size requirements, withstand greater impact loads and higher frequency of production, punch commonly is made by a high-speed steel or tungsten carbide material, tungsten carbide has high hardness, high hardness, high wear resistance, high red hardness, etc., generally used in demanding punching mold. Tungsten carbide punch are combined with the punch bar, punch nut, punch mother used together, generally used for punching tower plant uses. When stamping, large punch holes simultaneously processed hundreds takes less than one second, so greatly improves production efficiency. Therefore, tungsten carbide punch widely used in machinery manufacturing, automobile manufacturing, aerospace manufacturing and other fields.

Tungsten carbide punch is a key part to stamping die, improving tungsten carbide punch life can delay the failure of the mold. Its quality is not only related to the quality and performance of products, but also directly affect production costs and efficiency. Factors that affect the life of the punch are mainly design structure, selection of materials, machining, heat treatment, parts shapes and materials and so on. The daily work process tungsten carbide punch failure basic forms: plastic deformation, wear, fatigue, fracture. When punch working, the surface repeated contact with rough , plastic deformation and pitting of the cutting edge ,under the combined effect of the convex and concave mold adhesion gap, these phenomena with the alternating load and friction press, the temperature rise high and aggravated.

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Tungsten Carbide Plug Gauge

Tungsten carbide plug gauge is made of cemented carbide material plug. Tungsten carbide plug gauge can be replaced or impossible to accurately measure large equipment, to facilitate the lightweight, accurate measurement of large mold inside diameter. With carbide materials processing, time is not any influence of external factors storage. Carbide material wears over other steel properties. We can offer various sizes of carbide plug, pass only regulation by the customer's specified range molding process. Tungsten carbide plug gauge at the international level, also called carbide needle gauge. Needle gauge is stiffer rod having a specific size of tungsten steel or other materials.

Application
Tungsten Carbide Plug Gauge Picture
Needle regulations applicable to machinery and electronics diameter, pitch, thread the path measurement process, particularly suitable for measuring the bending width and die size. Needle gauge is also used to check the location, size measurement hole, check the two pitch, but also for the depth stop gauge and measure with through holes, holes standardized testing is essential gages for detecting the international advanced laser detector workpiece. And a wide variety of sophisticated technology in the field of electronic boards, circuit boards, molds, precision machinery manufacturing. Appearance in the form of a smooth needle gauge, needle regulations petiole, titanium needle gauge, ceramic needle gauge and so on.

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2017年6月1日星期四

Tungsten Carbide Nozzle

Tungsten carbide nozzle is one of the spray nozzle. In another way saying, tungsten carbide nozzle is usually used to sandblasting, which is also called tungsten carbide sandblasting nozzle. The hardness reached over HRA90 degree while the anti-bending degree reached over 2300N/mm. On machining tungsten carbide nozzle, we do the precision grinding and surface treatment to achieve Ra0.1 of the bore roughness and the Ra0.025 of the R place of both ends. There is a scientific curvature radius design in the both entrance. This design can ensure a smooth transit of the thread. Due to the overall materials processing, and no elevation in the bore, the phenomenon of easy-bending and plugging has been improved comparing with the ruby nozzle. tungsten carbide nozzle

Tungsten Carbide Nozzle Picture
Tungsten carbide nozzle is manufactured from hot pressing with straight bore and venturi bore type. Due to its hardness, low density and excellent wear and anti-corrosion, Tungsten carbide sandblasting nozzle has been widely used in sandblasting and shot peening equipment, offering a long life with optimum air and abrasive use.

We hold immense expertise in offering a precision-engineered array of tungsten carbide nozzle in different sizes, grades and specifications. Our patrons widely appreciate our offered tungsten nozzles as these are resistance against corrosion, have sturdy construction and need less maintenance. Moreover, we provide this tungsten carbide nozzle as per the specifications detailed by patrons. To ensure the presence of above named features in our offered a tungsten carbide nozzle, we make use of good quality raw material in the manufacturing process.

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Tungsten Carbide Bar

Tungsten carbide bar is also called carbide boring bar, and they are widely known as one kind of carbide cutting tools, it's available for different grinding geometric parameters and suitable for both cutting materials and nonmetal materials, also carbide boring bars can be applied to conventional,tungsten carbide insert, semi-automatic lathe, automatic lathe and planning machine to work grooves and operate cutting, etc.

Advantages of tungsten carbide bar 
1. High hardness after quenching and tempering  
2. Excellent wear resistance
3. Excellent hot-work performance
We have many years' experience to supply our clients the mentioned high-quality tungsten carbide bars (or you called carbide boring bars) with the most competitive prices. If you are interested in any products or have any questions, please contact us directly. It is always our principles to offer our best service to any clients at any time.
Tungsten Carbide Bar Picture
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2017年5月24日星期三

Tungsten Carbide Valve Ball

Tungsten carbide valve ball is the material composite by tungsten carbide add with Co or Ni, with high rigidity, no significant plastic deformation and small thermal expansion coefficient in the normal temperature. The valve ball with size stability and high precision.

Tungsten carbide valve ball is widely used in many military and civilian high-tech fields rolling the ball bearing industry, fluid sealing rotating ball, valve core, oil extraction machine-way valve, valve seat and so on.

The smalles size of tungsten carbide valve blank ball is Ø2mm, the finisehd ball is Ø1mm. Size tolerancs of blank ball is ±0.2mm, the surface of finished ball is G25. But also accept customized.

tungsten carbide valve ball picture














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Non Magnetic Tungsten Carbide Ball

Non magnetic tungsten carbide ball with higher hardness, flexural strength, impact toughness, corrosion resistance than other materials, it is suitable for thermal recovery wells, sand wells. Non-magnetic carbide that are not magnetic or weakly magnetic carbide materials. As the production of magnetic materials mold requires non-magnetic material, in the past has been used non-magnetic, and its mold poor performance, low hardness, life is short, and after a period of time using the inner wall of the mold serious nap, deformation, etc., thereby affecting the magnetic dimensional accuracy and surface quality of the material.
non-magnetic tungsten carbide ball picture














Application of Non-magnetic Tungsten Carbide Ball

With its excellent performance instead of non-magnetic steel can exponentially increase the work efficiency. Non-magnetic tungsten carbide ball is widely used in the production of standard parts of cold heading and cold, cold mold, in the wear parts and the field of forming die punch.

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2017年5月11日星期四

Tungsten Carbide Bearing Ball

The main ingredients of tungsten carbide bearing ball is tungsten-cobalt alloy (WC-CO), high hardness, good wear resistance, wear resistance is the ball a few times to a hundred times. carbide ball bearing extremely broad scope of application, such as: precision bearings, instruments, meters, pens, spraying machine, high short-circuit current automatic selector switches, pumps, machinery parts, sealing valve, brake pump, squeeze hole punch, oil, hydrochloride laboratories, hardness measuring instrument, fishing gear, weight, decoration, finishing, manual switch, drum controllers, cam controller, battery cars and other electrical contacts and other industries, which are resistant to abrasion, anti-welding, chemical good stability and long lifetime.

Tungsten Carbide Bearing Ball Picture

Manufacturing processes:
The first step is cold forming or thermoforming process. To a final diameter and the diameter of the metal ball of metal wire into almost head machine where the ball's surface leaving a circle of metal rings (called mold spills), the ball into another machine to remove mold spills. After this step, it is necessary for the thermal processing of the ball. This treatment will increase the hardness of the ball, but also to change its size. Next, the ball will go into the grinding process, using the same type of machine is still, only this time in the coolant added a abrasives. After the ball again from the groove through, the surface is polished smooth, and the size is compressed into the final dimensions. After that, on the ball to be polished. This process does not remove any material in the case, the surface of the balls became very smooth and shiny. The last step in the process is to check. Worker with a very precise tool balls are measured to determine whether it satisfies a predetermined working poor.

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Tungsten Carbide Punching Ball

Tungsten carbide punching ball also known as tungsten carbide hole squeeze ball, with high hardness and high impact resistance of tungsten carbide material, is widely used in punching and polishing bearings, cast iron and stainless steel and other materials. In the process, the main punching a workpiece with a tungsten carbide ball to complete the table by finishing in Europe and America. Since the tungsten carbide ball high precision punching, high hardness and a small coefficient of friction, and therefore the surface during extrusion, to ensure high accuracy of the machining surface, and also to improve the dimensional accuracy of the workpiece surface, and the surface roughness hardness.

Tungsten Carbide Punching Ball Picture
Mechanical processing machinery manufacturers in the hole often encountered when processing the aperture is not uniform, the surface is not smooth inner bore surface knife pattern and so on. Select tungsten carbide punching ball can solve this problem, carbide punching ball squeeze workpiece bore hole the size of the workpiece within a unified, smooth inner bore surface of the workpiece.

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2017年4月19日星期三

Tungsten Carbide Pin

Tungsten carbide pin is also called tungsten carbide studded pins, for they are widely applied to the snow studs area. Tungsten carbide pins are in the cylindrical shapes, and it shows the excellent performance in resisting wear and abrasion.

Tungsten Carbide Pin Picture
Tungsten carbide pin is usually made of tungsten carbide powder with the cobalt powder as the binder, and then sintered to the shape of small cylinders. They can be inserted into other covets or parts to work, and the most important application of tungsten carbide pins are in the tungsten carbide studded tires and shoes, which are quite popular among those countries with lots of snow to protect the cars or people from slipping.

Made from tungsten carbide material, tungsten carbide pins have extremely high hardness, and the most important is that they have great performance in resisting abrasion, so they have a long time service life when they are put into use.

We has manufactured and provided lots of tungsten carbide pins and exported to countries worldwide, and we can produce according to customized drawings. Our tungsten carbide pins enjoys high reputation among our clients.

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Tungsten Carbide Roller

Tungsten carbide roller has characteristics of good wear resistance, high temperature red hardness, thermal fatigue resistance and thermal conductivity and high strength , have been widely used in high-speed wire rod, bar, rebar, seamless steel tubes, etc. Domestic production of tungsten carbide roller materials mostly WC- Co, WC- Co- Ni- Cr two series, and the content of Co, Co- Ni - Cr is in the range of 6wt% ~ 30wt%. From the use of perspective, tungsten carbide rollers has good mechanical properties, its flexural strength up to 2200 MPa or more, shock toughness up (4 ~ 6) × 10^6 J/ m^2, Rockwell hardness (HRA) is up to 78 to 90, widely in the high-speed wire rod rolling process, which is much higher than single-slot chilled cast steel or high speed steel rolls.

Tungsten Carbide Roller Picture
Advantages
1. Sufficient anti-fracture strength;
2. Good abrasion resistance;
3. The smooth surface finish;
4. Excellent corrosion resistance, thermal fatigue, thermal cracking performance.
Tungsten carbide roller rings can working in bad conditions , small profile rolling (especially rebar rolling) process conditions is harsher than the high-speed wire rod, and therefore corresponds to the profile rolling ,tungsten carbide rollers recommend using high binder phase carbide.

Pre-finishing all vehicles roller should ensure its high toughness, strength, rigidity and thermal conductivity, followed before considering its wear resistance. When designing each vehicles roller, pre-finishing materials should choose carbide grades of Co, Co- Ni- Cr binder content is high (greater than or equal to 25wt%) , requiring an average WC grain size of coarse (5μm ~ 6μm), to obtain a higher shock toughness, proper strength and hardness. For the finishing of the roller movements, particularly the last two rollers of the finish rolling, which suffered load is small, and high relative velocity of the material to be pressed (80 m / min ~ 120 m / min). In this case, the wear resistance of the roller to be the most important requirements, and must ensure the strength , timpact toughness and hardness of a reasonable match, so the binder of Co / Ni content ratio and the average grain WC control of particle size and other factors must have greater control in front of different pre-finishing rolling roll.

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