20MnV合结钢和Y40Mn易切削钢

易切削钢：Y12.Y15.Y20.Y30.Y35.Y40Mn.Y100Pb.Y100Bi.1213.1215.12L14.1117.1135.1141.1144.SUM22.SUM23.SUM43.9SMn28.15S20.45S20.35S20.44SMn28.合金结构钢：20MnV.20SiMn2MoV.20CrMo.35CrMo.35CrMoV.20CrNi.12CrNi2.12CrNi3.12Cr2Ni4.20CrNiMo.40CrNiMoA.9Mn2V.13CrMo44.34CrMo4.42CrMo4.40NiCr6.14NiCr14.14NiCr18.21NiCrMo2。4119.4135.4140.3140.3415.3310.2515.8620.4340.易切削不锈钢：303.303Cu.316F.416.420F.430F.430FR。 详细介绍>>