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| China | GB | 20Cr13 |
| China | ISC | S42020 |
| Taiwan, China | CNS | 420J1 |
| Japan | HE | SUS 420J1 |
| South Korea | KS | STS 420J1 |
| U.S. | ASTM | 420 |
| U.S. | US | S42000 |
| ISO | ISO | X20Cr 13 |
| ISO | Number grade | 4021-420-00-I |
| Germany | YOUR ONE/YOUR | X20Cr 13 |
| Germany | W-No. | 1.4021 |
| France | NF AND/NF | Z20C 13 |
| European standard | IN | X20Cr 13 |
| European standard | Number grade | 1.4021 |
| Russia | GOST | 20X13 |
| Sweden | SS | 2303 |
| U.K. | BS EN/BS | 420S37 |
| Component | Minimum value | Maximum value |
| C | 0.15 | – |
| Si | – | 1 |
| Mn | – | 1 |
| P | – | 0.04 |
| S | – | 0.03 |
| Cr | 12 | 14 |