Chemical composition(%) C Mn S P Cr V Mo W 0.70~0.80 0.10~0.40 â?¤0.030 â?¤0.030 3.75~4.50 0.80~1.20 0.40~1.00 17.50~19.00 Co Si 4.25~5.75 0.20~0.40 Properties & Aplication 1.Carbon tool steel can be obtained with high hardness and wear resistance. 2.Can be used for making tools with high hardness, flexibility,Wear-resisting performance . such as punch, blade. 3.used in all kinds of areas, such as aviation,aerospace,navigation,nuclear energy, chemical industry, We have powerful production capacity We have first-class equipment Why we deserve to be believed Our service * Inquiry and consulting support *Sample testing support *View our factory *Serving custom product according to your order