Sulfur free cutting steel and Lead free cutting steel are the most widely used free cutting steel in the world. Because of its good machinability, high precision and low cost, the products are widely used in OA parts of office euipment, household appliances, machinery, automobiles, electronics, instruments and so on.
JIS Standard | AISI Standard | DIN Standard | GB Standard | |
Sulfur free cutting steel | SUM23 | 1215 | 11SMn30,1.0715 | Y08 |
— | — | — | 1215MS | |
SUM25 | / | 11SMn37,1.0737 | Y08MnS | |
SUM43 | 1144 | 44SMn28,1.0762 | Y45MnS | |
Lead free cutting steel | SUM24L | 12L14 | 11SMnPb30,1.0718 | Y12Pb |
SUM23L | 12L15 | / | Y08Pb | |
S45CSL2 | / | / | / |