... of element CrV, was to join the chrome vanadium alloy elements of the alloy steel, heat treatment hardness 60 HRC ( ... in addition to iron, carbon outside, to join the other elements, called alloy steel. In ordinary carbon steel basis addition ... of hardness, especially contain chromium, manganese, vanadium, molybdenum, silicon and other elements of the material to make tools, strength, toughness, wear ...
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