点击图片查看原图易切削钢
SUM11 SUM12 SUM21 SUM22 SUM23 SUM25 SUM31 SUM32 SUM22L SSUM23L SUM24L SUM31L
1110 1109 1212 1213 1215 1117 12L14 1135 1144
9SMn28 15S20 35S20 45S20 SUM22
Y12 Y15 Y15Pb Y20 Y30 Y40Mn Y100Pb Y100Bi
易切削不锈钢：
303.303Cu.316F.416.420F.430FR.440F.
易切削钢/易车铁Y12 Y12P