易切削钢的牌号:Y12 SUM12 1109 10F2 A12 10S20 1.0721 1119 22OMN7 Y20 SUM32 22S20 1.0724 20F2 Y30 35S20 60S20 1.0726 1.0728 A30 Y40MN 1139 225MN36 45MF4
A40T SUM21 1212 1112 R 1213 1113 SUM23 SUM24L 12L14L15
SUM31 1117 SUM41 1137 1141 1114 1144 225MN44 22SMN30
11SMNPB30 11SMN37 11SMNPB37 10SPB20 15MN13 35SPB20
36SMN14 36SMNPB14 38SMN28 36SMNPB28 44SMN28 44SMNPB28
46SPB20 1.0711 1.0715 1.0718 1.0722 1.0726 1.0727 1.0736
1.0737