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……
德国易切削钢：1.0711 1.0715 1.0718 1.0721 1.0722 1.0726
1.727 1.0728 1.0736 1.0737……
欧标易切削钢11smn30 11smnpb30 11smb37 11smnpb37 10s20 10spb20 15mn13 35s20 35spb20 36smn14 36smnpb14 38smn28 36smnpb28 44smn28…… sum11sum12sum21sum22sum23 sum25sum31sum32 sum22lsun23l sum24lsum31l9smn28 1.07369smnpb28 9smnpb28k 11smnpb301.07189smnpb3611smnpb371.0737 9s2011smn2811smnpb2812smnpb35 12smn3510pb2010spb2017smn20 35s2035smn2044smn28 46s20 15s20.35s2045s20sum22此钢主要特点是精度好，
供应规格：直径1.0----200mm
