结构钢:C18 C20 C20E4 C20M2 C25 C25E4 C25M2 C30 C30E4 C30M2 C35 C35E4 C35M2 C40 C40E4 C40M2 C45 C45E4 C45M2 C50 C50E4 C50M2 C60 C60E4 C60M2 28Mn6 36Mn6 42Mn6 34Cr4 34CrS4 37Cr4 37CrS4 41Cr4 41CrS4 25CrMo4 35CrMoS4 34CrMo4 34CrMoS4 42CrMoS4 42CrMo4 50CrMo4 36CrNiMo4 36CrNiMo6 31CrNiMo8 30CrNiMo8 51CrV6…………

易切削结构钢: 15S10 1.0710 10S20 1.0721 15S20 15S22 1.0723 35S20 1.0726 45S20 46S20 1.0727 60S20 60S22 1.0728 10SPb20 1.0722 35SPb 1.0756 45SPb20 46SPb20 1.0757 60SPb20 60SPb22 1.0758 9SMn28 11SMn30 1.0736 9SMn36 11SMn37 1.0736 9SMnPb28 11SMnPb30 1.0718 9SMnPb36 11SMnPb37 1.0737 9S20 11SMn28 11SMnPb28 12SMnPb35 12SMn35 10Pb20 10SPb20 17SMn2035S20 35SMn20 44SmN28 46S20…….