Super coarse tungsten powder is a tungsten powder with a coarse grain size. It is a raw material for preparing tungsten processing materials, tungsten alloys, tungsten-based alloys, tungsten carbides, and other tungsten products. It can be prepared by hydrogen reduction of tungsten trioxide or ammonium paratungstate. Applications Super coarse tungsten powder is a raw material for the preparation of tungsten processing materials, tungsten alloys, tungsten-based alloys, tungsten carbides, and other tungsten products. Its application involves mechanical processing, mining, geological drilling,…
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Nickel based tungsten carbide powder mainly refers to the addition of a tungsten carbide powder with high hardness and wear resistance on the basis of nickel-based self-fluxing alloys. It has excellent wear resistance, heat resistance and oxidation resistance and is suitable for all kinds of friction devices. Characteristic Nickel based tungsten carbide powder has low oxygen content, good self-fusion, uniform microstructure, and excellent wear resistance, heat resistance and oxidation resistance. Applications Nickel based tungsten carbide powder has good processing performance…
Wear resisted tungsten carbide alloy powder is a kind of refractory metal carbide powder. It has high hardness, density, melting point and excellent wear resistance, which is widely used in the surface hardening, abrasive, cutting tools and other industries. Applications Wear resisted tungsten carbide alloy powder can be used as an important industrial raw material due to its excellent performance, and is widely used in the industries of surface strengthening, abrasives, and tools. Preparation Wear resisted tungsten carbide alloy powder…
High temperature resisted tungsten carbide alloy powder has excellent high temperature resistance and is an important tungsten carbide material and catalytic material with a wide range of application prospects. It can be prepared by spray drying method-fluidized bed method and fixed bed method. Applications As a kind of important tungsten carbide material, high temperature resistant tungsten carbide powder is widely used in cutting tools, drills and precision molds and other fields; High temperature resisted tungsten carbide alloy powder is a…
Tungsten tetraiodide is a black powder with CAS number of 14055-84-6, molecular formula of WI4, molecular weight of 691.458, and relative density of 5.218. Tungsten tetraiodide has a variety of properties as follows: 1. Easily hydrolyzed and easily oxidized. 2. Not dissolved in cold water. Decomposed in hot water. Soluble in ethanol. Insoluble in ether, chloroform and turpentine. 2. Decomposed by heating. There is no fixed melting point and boiling point. Heated to decompose into WI2 and I2 in the…
Tungsten disulfide is a kind of dark gray crystal or powder with similar lubricating property to graphite. Its CAS No. is 12138-09-9; Chemical formula is WS2; Melting point is 1250°C. Structure WS2 has a layered structure related to MoS2, with W atoms situated in trigonal prismatic coordination sphere. Owing to this layered structure, WS2 forms inorganic nanotubes. Properties 1. WS2 converts to tungsten trioxide if heated in oxygen-containing atmosphere. 2. WS2 does not melt but decomposes to tungsten and sulfur…
Tungsten hexafluoride is also called tungsten (VI) fluoride with CAS No. is 7783-82-6 and molecular formula of WF6. Tungsten hexafluoride is a colorless diamagnetic gas at ambient pressure and temperatures above 17 °C. The WF6 molecule is octahedral. And it condenses into a pale yellow liquid between 2.3 and 17°C with the density of 3.44g/cm3 at 15°C. At 2.3°C, it freezes into a white solid having a cubic crystalline structure with calculated density 3.99g/cm3. Whereas WF6 gas is one of…
Medium grain size tungsten powder has a series of advantages such as less high-temperature defects, high micro-hardness, and low micro strain. After high-temperature carbonization, YG20C alloy and coarse-grain tungsten carbide powder can be obtained. Applications The YG20C alloy with medium-grained tungsten powder can be obtained by high-temperature carbonization. The microstructure and physical properties of the YG20C alloy are similar to those of the YG20C produced by the high-temperature reduction high-temperature carbonization process. The metallurgical structure of the alloy is more…
Near spherical tungsten carbide powder has good fluidity, good wear resistance and excellent overall performance. It is the main raw material for the preparation of high-quality tungsten-based electrical contact materials, electronic packaging materials, etc. It can be prepared by ultra-high temperature melting inert gas atomization. Applications Near spherical tungsten carbide powder has good performance and is the main raw material for the preparation of high-quality tungsten-based electrical contact materials, electronic packaging materials, sputtering targets for integrated circuit refractory grids and…
Crystalline tungsten carbide powder has a series of advantages such as high specific gravity, high purity, and high hardness. It is an important raw material for the production of tungsten carbides, tungsten-based electrical contact materials. Applications Crystalline tungsten carbide powder is an important raw material for producing tungsten carbide and tungsten-based electrical contact materials. Tungsten carbide based tungsten carbide has high hardness and wear resistance, special corrosion resistance, excellent fracture toughness and compressive strength. It is an important tool material…