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