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Material performance of tungsten carbide used as blades


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Regardless of iron, aluminum or steel, the blades will cut them into the desired shapes when machining. The tungsten carbide blades are made of cemented carbide as the basic materials which is an alloy material hard made with hard compounds of refractory metals and bind metal through the powder metallurgy process.

The tungsten carbide blade, also known as carbide tips, mainly adopts the overall hard alloy as the matrix and it is fine finished through various kinds of production processes. Carbide blades have extremely high hardness and high strength, excellent high wear resistance, high elastic modulus.

The tungsten carbide is distinguished according to the grain size, which can be divided into ordinary type, fine grain, sub-fine grain, ultra-fine grain, newly launched double-grain. According to the main chemical composition, cemented carbide can be classified into three types including tungsten cobalt (YG), titanium-tung-ste (YT), and adding rare carbonization (YW).

The tungsten carbide has a high hardness of 86 ~ 93HRA, equivalent to 69 ~ 81HRC, second only to diamond, good heat hardness of up to 900 ~ 1000 ° C, keeping 60 HRC, the high bending strength of MPA5100, good impact toughness and high corrosion resistance. The general alloy blade does not have these characteristics.

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