各種規(guī)格的易車鐵,易削切鋼SUM11 SUM12 SUM21 SUM22 SUM23 SUM25 SUM31 SUM32 SUM22L SUN23L SUM24L SUM31L1110 1109 1212 1213 1215 1117 12L14 1135 11449SMn28.15S20.35S20.45S20.SUM22Y12.Y15.Y15Pb.Y20.Y30.Y40Mn.Y100Pb.Y100Bi.易切削不銹鋼:303.303Cu.316F.416.420F.430F.430FR.440F.交貨狀態(tài):線材、圓鋼、拉光棒、磨光棒、六角和方鋼、帶鋼和扁鋼、鍛件和鑄件等環(huán)保易削切鋼使用范圍