易切削结构钢:15S10 10S20 10SPb20 15S22 15S20 35S20 35SPb20 46S20 45S20 46SPb20 45SPb20 60S20 60S22 60SPb20 60SPb22 9SMn28 11SMnPb30 9SMnPb28 11SMn37 9SMn36 11SMnPb37 9SMnPb36……
易切削结构钢:15S10 10S20 10SPb20 15S22 15S20 35S20 35SPb20 46S20 45S20 46SPb20 45SPb20 60S20 60S22 60SPb20 60SPb22 9SMn28 11SMnPb30 9SMnPb28 11SMn37 9SMn36 11SMnPb37 9SMnPb36……
联系我时请说明来自志趣网,谢谢!