海拓金属主营国产易切削钢：Y12 Y12PB Y15 Y15PB Y40 Y40MN Y20 Y35 Y100PB Y100BI……
德标（DYDT标准）易切削钢：11SMN30 11SMNPB30 11SMB37 11SMNPB37 10S20 10SPB20 15MN13 35S20 35SPB20 36SMN14 36SMNPB14 38SMN28 36SMNPB28 44SMN28 9SMn28 1.0736 9SMnPb28 9SMnPb28K 11SMnPb30 1.0718 9SMnPb36 11SMnPb37 1.0737 9S20 11SMn28 11SMnPb28 12SMnPb35 12SMn35 10Pb20 10SPb20 17SMn20 35S20 35SMn20 44SmN28 46S20 15S20 35S20 45S20 ……
日标环保/易切削钢：SUM11 SUM12 SUM21 SUM32 SUM23 SUM25 SUM31 SUM32 SUM32L SUN23L SUM24L SUM31L
美标环保/易切削钢：1213 1214 1215 1117 1144 1212 12L14 G11460
