美标易切削钢:1213 1214 1215 1117 1144 1212…… 国产易切削钢:Y12 Y12PB Y15 Y15PB Y40 Y40MN Y20 Y35 Y100PB Y100BI…… 欧标易切削钢:11***N30 11***NPB30 11***B37 11***NPB37 10S20 10SPB20 15MN13 35S20 35SPB20 36***N14 36***NPB14 38***N28 36***NPB28 44***N28…… SUM11 SUM12 SUM21 SUM22 SUM23 SUM25 SUM31 SUM32 SUM22L SUN23L SUM24L SUM31L 9***n28 1.0736 9***nPb28 9***nPb28K 11***nPb30 1.0718 9***nPb36 11***nPb37 1.0737 9S20 11***n28 11***nPb28 12***nPb35 12***n35 10Pb20 10SPb20 17***n20 35S20 35***n20 44***N28 46S20 15S20. 35S20 45S20 SUM22
