China carbide tooling has been serialized and standardized

Carbide Die is ten times the life of steel and even a few times, carbide die only high hardness, high strength, corrosion resistance, high temperature resistance and low coefficient of expansion, usually cobalt-tungsten carbide. Carbide since the beginning of the 1920s, with its "widia" like the name of the diamond market since the German scientist by the invention, and the first production of tungsten tensile modulus get industrial applications, replacing the current price of expensive diamond drawing die.

Our Carbide started late, but rapid development. According to reports, at present, carbide die basically serialization and standardization. In recent years the development of the situation, the theoretical study of carbide tooling and design has a deeper and more science, applied more widely.

In the development of new alloy materials on behalf of a few years ago to drill for the hot iron and nickel. Metallurgical materials such as Hunan province developed corresponds to YG, YG20, YG25 the strength and toughness of cemented carbide, received good results in for cold heading die, cold extrusion die and so on. Tianjin Institute on behalf of the iron-nickel carbide drill also developed a considerable YG1520 carbide die materials, standard parts in the roll forging, cold heading steel ball fairly with regard YG20 effect.

In recent years, new research is popular fine grain, ultra-fine grain, and even gradient nanocrystalline carbide and carbide. Another gradient cemented carbide composition gradient, gradient structure, in addition to the molten metal is also useful to produce osmotic gradient cemented carbide processing methods, such as the top of the gradient cemented carbide hammer.

Fine grain and ultrafine grain carbide also available, such as fine-grained YGS drawing dies while drawing <φlmm wire, is three times the normal drawing mode.

In addition, cast-inlaid carbide hot die, and achieved good results in terms of rolling and wire rod rolling.


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