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High-Purity Tungsten Powder 3,267

High-purity tungsten powder has the purity of at least 99.99%, with chemical purity from 99.99%~99.9999%; the content of impurity elements in it should be among (0.1～1000)×10-12, however, as for the some special elements like radioactive, alkali metal, heavy metals and gas elements ect., their content of will be special required respectively. The products of high-purity tungsten powder are high purity tungsten bar, rod, electrode, wire, sheet, plate, and pure tungsten and titanium tungsten sputter targets material ect.. Preparation of High-purity…

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Native Tungsten Carbide Powder 1,150

Native tungsten carbide powder refers to WC prepared from native tungsten powder and carbon, which is the so called tungsten carbide powder. A relatively product of native tungsten carbide powder is the reproduced tungsten carbide powder, which refers to WC prepared from waste hard alloy, waste tungsten powder or other recycling material. Native tungsten carbide powder (WC) is the main raw material for the production of cemented carbide, black hexagonal crystals with metallic luster, which has the hardness closes to…

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Nickel Based Tungsten Carbide Powder 608

Nickel based tungsten carbide powder mainly refers to tungsten carbide powder (WC) on the basis of self-fluxing nickel-based alloy to enhance its hardness and wear-resistant. The main products of self-fluxing nickel-based alloy powder are nickel-chromium boron-silicon and nickel-boron-silicon alloy, which have overall performance of low melting point, good self-fluxing, excellent wear, corrosion and heat resistance and anti-oxidation, to be the most widely and earliest used self-fluxing alloys. Nickel based tungsten carbide powder can be divided into two types of mechanical…

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Tungsten Copper Electrode Metallographic Phase and Properties Analysis 529

Tungsten copper powder sintered material morphology distribution of tungsten skeleton evenly distributed on the copper matrix. Due to the nature of tungsten (W) high melting point and high hardness, tungsten at 1000 ℃, its ultimate tensile strength is still 50kgf/mm2, low carbon intensity is even higher than room temperature, which makes tungsten copper material copper melting point below the temperature (about 1000 ℃), still has a very high wear resistance and heat hardness. The tungsten skeleton with copper as matrix…

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Nano Tungsten Copper Electrode Research 574

The granularity and uniformity of tungsten and copper powder has an effect on tungsten copper electrode sintering, and the decreasing granularity will improve the comprehensive properties of materials, such as the density, the hardness, the electric and thermal conductivity. Theoretically, powder metallurgy (PM) uses metal powder (or metallic oxide powder) as raw materials, after compacting and sintering, the granularity of powder is coarser. Compared with PM, nano tungsten copper has higher surface energy, which atoms move by higher interfacial energy,…

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EDM Tungsten Copper Electrode and Positive Polarity 544

Electric discharge machining (EDM) is a non-traditional type of precision processing using an electrical spark-erosion process between the electrode and the working piece of electrically conductive immersed in a dielectric fluid. Since it has more special gains, the EDM has been widely applied in modern metal industry for producing complex cavities in moulds and dies, which are difficult to manufacture by conventional machining. The use of Electrical Discharge Machining in the production of forming tools to produce plastics moldings, die…

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Tungsten Carbide Measuring Tool 2,456

Tungsten carbide measuring tool has high hardness, high strength, excellent wear and corrosion resistance so that it can effectively ensure the accuracy and stability of testing. Compared with other materials, it has longer service life. According to the different applications, it can be divided into LG (gauge), LH (ring gauge), LS (male gauge), LK (caliper) and LC (micrometer gauge) five series of tungsten carbide. LG (gauge): It includes LG30 and LG35, the specifications consist of rough gauge code, code size…

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Tungsten Carbide Step Drill 3,225

Tungsten carbide step drill is also called as tow drill, which is mainly used in less than 3mm steel sheet drilling and can replace many drills. It can process pores with different diameters and large pore in one step, and do not replace the drill bit or drill positioning hole. According to the shapes of groove: It can be divided into straight groove, circular groove and spiral groove; according to the edges: Single-blade, double-blade, three-blade, four-blade and multi-blade step drill;…

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Tungsten Carbide Coolant Feed Drill 1,251

Tungsten carbide coolant feed drill has 1 or 2 through-hole or double spiral hole and uses compressed air and cutting fluid to cool tool and take chips away. It is particularly suitable for the deep-hole drilling with great cutting heat.Tungsten carbide coolant feed drill mainly consists of drill tip, chip groove, spiral groove, run-out groove, handle and cooling hole. Drill tip: In drilling process, it endures the most part of thrust and torque, which directly affects the quality and the…

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Tungsten Carbide Disc Cutter 2,435

Tungsten carbide disc cutter is fabricated by pressing and sintering process, which has good toughness, abrasion resistance, anti-oxidation and crater wear resistance. So it can be widely used in paper cutting, printing, packaging and some electronic fields. Take metal sheet longitudinal cutting as example, it generally uses a pair of upper and lower disk cutter for rolling-shearing process. In the cutting process, the upper and lower disk cutter to maintain the level in the axial gap and radial transfer volume,…

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