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Specification: -200 mesh<br> Purity: 4N-6N<br> Uses: Used to prepare high-purity tungsten targets and high-purity tungsten alloy targets, to prepare cemented carbide tools, powder metallurgy, diamond tools, high-density alloys, contacts, refractory alloys. Tungsten alloys, such as tungsten molybdenum alloy, tungsten rhenium alloy, tungsten copper alloy and high density tungsten alloy, etc.
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1. Purity: 99.99%; 99.999%<br> 2、Density:  ≥19.1g/cm3;<br> 3、Flatness:≤2%;  <br>
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The porous material prepared by spherical tungsten powder has the characteristics of uniform pore distribution. By controlling the production process, the gas permeability of the product can be controlled, and the cathode of high-power pulse microwave tube, electronic barium tungsten cathode and gas filter material can also be prepared; The tungsten powder has good fluidity, and the coating obtained in the field of thermal spraying is more uniform and dense, and the product has good wear resistance.
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The cutter head of automatic glass cutting machine is composed of carbide cutter wheel and stainless steel tool rest. Cemented carbide cutting wheel is made of cemented carbide blank produced by the world's most advanced ultrafine powder technology by 5-axis CNC machine tool with 7 fine grinding, with sharp and smooth cutting, neat incision, deep, high precision, high hardness, long cutting life and other characteristics. Applicable to float glass, lattice glass and other glass production lines and glass deep processing line used automatic cutting machine efficient cutting.
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Carbide tool heads
Stainless steel tool rest
tungsten steel
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Nano tungsten powder and ultrafine tungsten powder are prepared by variable current laser ion beam gas phase method, with uniform particles, high activity and large specific surface area. After passivation treatment, the oxygen content of the powder can be controlled below 1%. Nano-tungsten powder is used in aerospace alloys, electronic packaging alloys, electrode materials, microelectronic films, sintering aids, protective coatings, gas sensor electrodes, etc. It is used to manufacture high-performance tungsten products and to process and manufacture nano-Wu wires. The excellent properties of nano-Wu wires are used to produce high-performance ultra-fine nanocrystalline alloys and high-density alloys. It has become an indispensable functional material in many high-tech fields. . The cemented carbide produced by nano tungsten powder has extremely high hardness and is the leading product of tungsten materials.
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Tungsten powder is one of the important raw materials for preparing powdered tungsten and its alloy products. It has the highest melting point (3410°C) and the lowest vapor pressure among all metals, which makes it the preferred metal for various high-temperature operating environments . <br> Application: Powdered metal tungsten is the raw material for preparing tungsten processing materials, tungsten alloys and tungsten products;<br> Technical specifications: ordinary W≥99.95% <br>
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Because tungsten has a melting point of 3410°C, high purity, high density, no internal cracks, precise dimensions, and smooth inner and outer walls, it is widely used in sapphire single crystal growth furnaces, quartz glass melting furnaces, rare earth smelting furnaces and other industrial furnaces The working temperature environment of the core container inside is generally above 2200℃. The tungsten crucible plays a key role in the success rate of seeding, the quality control of crystal pulling, the potting and the service life of sapphire crystal growth.<br> Application: Mainly used in metallurgical industry, mechanical processing, glass and ceramic industry and other fields
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Application: Flux for high frequency combustion in high frequency infrared carbon and sulfur analyzer. It has good fluxing effect and very stable analysis results.<br> Chemical composition: W≥99.95%<br> Magazine content: C≤0.0008%; S≤0.0005%<br> Product specifications: The product size is 20-40 mesh, and it can also be customized according to customer needs.<br>
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The powder metallurgy method is used for pressure sintering and the material is dense.<br> Application: suitable for processing ion implantation parts, manufacturing electric light sources and electric vacuum parts, used as high-temperature heating elements and high-temperature structural parts, and used as electrodes in the rare earth industry<br>
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Tungsten wire is made of pure tungsten powder sintered into strips by powder metallurgy, and then drawn. Tungsten aluminum wire commonly used for high temperature and shockproof filament, double helix filament, grid cathode, folded filament, tungsten twisted wire and other parts; plating a layer of gold on the surface of the tungsten wire can increase the corrosion resistance and oxidation resistance of the tungsten wire , Often used as electrode wire of copiers, corrosive electron emission materials, high temperature physics and meteorological instrument materials, etc.<br> Uses: Manufacturing electric light sources and electric vacuum parts, used as high-temperature heating elements and high-temperature structural parts, and used to make tungsten spirals for vacuum evaporation.
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High specific gravity tungsten alloy material is a kind of alloy with tungsten as the matrix (W content 85-99%) and added with elements such as Ni, Cu, Co, Mo, Cr. According to alloy composition characteristics and uses, it can be divided into main series such as W-Ni-Fe, W-Ni-Cu, W-Co, W-WC-Cu, W-Ag, and its density is between 16.5-19.0g/cm3 Adjustable. Generally, large and special-shaped parts are produced by isostatic pressing technology, small products are produced by mould pressing, extrusion and injection moulding technology, and bars and sheets are produced and processed by forging and rolling.
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Tungsten rods, tungsten bars and tungsten electrodes are finished products of pure tungsten metal processed by high temperature and high pressure. The appearance is black or bright silver depending on the processing technology. Tungsten rods have the characteristics of high melting point, low thermal expansion coefficient and good thermal conductivity, and are widely used in traditional industry and military.
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