Bearing Steel 9Cr18Mo=440C/44004=X110CrMo18=SUS440C=Z100CD17=ISO630:21
Shenyuan Special Steel Co., Ltd Present
Shenyuan Special Steel supplies below different sorts of bearing steel, in the form of black bars.(Note: just like the picture demostrates). Shenyuan Special Steel is also the current largest engine valve steel supplier of P.R China.
| Grade/GB | Diameter | AISI,UNS | DIN | JIS | NF | ISO |
| China | USA | Germany | Japan | France | ||
| 9Cr18 | φ8.0-φ65 | S | WNr4543 | ----- | Z100CD17 | ----- |
| 9Cr18Mo | φ8.0-φ65 | 440C/44004 | X110CrMo18 | SUS440C | Z100CD17 | ISO630:21 |
| 7Cr17Mo | ----- | ----- | ----- | ----- | ----- | ----- |
| Cr4Mo4V | ----- | ----- | ----- | ----- | ----- | ----- |
Bearing Steel 9Cr18Mo=440C/44004=X110CrMo18=SUS440C=Z100CD17=ISO630:21
