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| China | GB | 03Cr25Ni6Mo3Cu2N |
| China | ISC | S25554 |
| Taiwan, China | CNS | 329J4L |
| Japan | JIS | SUS 329J4L |
| South Korea | KS | STS 329J4L |
| U.S. | ASTM/AISI | 255 |
| U.S. | UNS | S32550 |
| ISO | ISO | X2CrNiMoCuN 25-6-3 |
| Germany | DIN EN/DIN | X2CrNiMoCuN 25-6-3 |
| Germany | W-Nr. | 1.4507 |
| France | NF EN/NF | X2CrNiMoCuN 25-6-3 |
| European standard | EN | X2CrNiMoCuN 25-6-3 |
| European standard | Number grade | 1.4507 |
| Element | Minimum Value | Maximum Value |
| C | – | 0.03 |
| Si | – | 0.7 |
| Mn | – | 2 |
| P | – | 0.035 |
| S | – | 0.015 |
| Cr | 24 | 26 |
| Ni | 6 | 8 |
| Cu | 1 | 2.5 |
| Mo | 3 | 4 |
| N | 0.2 | 0.3 |