T10 /T10A /T12 /T12A碳素工具钢

碳素工具钢：T7 T8 T8Mn T9 T10 T11 T12 T13 RWB0.7 BW1A BW1B BW1C Y170 Y180 Y C70W2 (1.1620) C80W1(1.1525) C85WS(1.1830) C105W2(1.1645) C110W2(1.1654) C125W2(1.1663) SK7 SK6 SK5 SK4 SK3 SK2 SK1