(1) cemented carbide is a kind of alloy material with very high hardness, which is made of hard compounds and binding metals of refractory metals by powder metallurgy process. Cemented carbide has a series of excellent properties, such as high hardness, wear resistance, good strength and toughness, heat resistance and corrosion resistance, especially its high hardness and wear resistance, which are basically unchanged even at 500 ℃, at 1000 ℃. The hardness is still very high at ℃. Ceramics with certain characteristics of metal.
(2) tungsten steel is also known as tungsten titanium alloy or high-speed steel or tool steel. The hardness is Vickers 10K, next to diamond, which refers to the sintered composite composed of at least one metal carbide. Tungsten steel and hard alloy have a series of excellent properties such as high hardness, wear resistance, good strength and toughness, heat resistance and corrosion resistance. The advantages of tungsten steel lie in its high hardness and wear resistance, even though it has a high hardness at 1000 ℃. Yi can be called the second diamond. The grain size of carbide component (or phase) is usually between 0.2-10 μ M.
(3) difference between tungsten steel and cemented carbide: tungsten steel is melted by adding tungsten iron into molten steel as raw material of tungsten, also known as high-speed steel or tool steel, and its tungsten content is generally 15-25%; while cemented carbide is sintered with tungsten carbide and cobalt or other bonding metals together, and its tungsten content is generally more than 80%. That is to say, any alloy with hardness over HRC65 can be called cemented carbide.
Knowledge point expansion:
Tungsten steel (cemented carbide) has a series of excellent properties, such as high hardness, wear resistance, good strength and toughness, heat resistance, corrosion resistance, etc., especially its high hardness and wear resistance, even at 500 ℃, it is basically unchanged, and still has a high hardness at 1000 ℃. Tungsten steel is classified according to ISO standard. This classification is based on the material type of workpiece (such as P, m, K, N, s, H brand). The bonding phase mainly uses its strength and corrosion resistance.
Langsun Carbide has all kinds of shapes and sizes of cemented carbide products including carbide rods, carbide plates, carbide rings, carbide bushings, carbide nozzles, carbide balls, valves and nonstandard carbide parts. We feel very pride that our tungsten carbide products are widely used in the following fields, Mechanical seals, oil and natural gas industry, New Energy, Military industry, Aerospace, Auto parts industry, Steel smelting, Coal mining, Chemical industry. More detail: www.ls-carbide.com
