🇨🇳 China equivalent of
51CrV41.8159
50CrVA93%
Standard: GB · Source: GB/T 1222
Chinese spring steel
Other international equivalents
| Country | Standard | Grade | Match | |
|---|---|---|---|---|
| 🇺🇸 | USA | AISI | AISI 6150 | REF |
| 🇪🇺 | Europe | EN | 51CrV4 | 100% |
| 🇪🇺 | Europe | DIN | 50CrV4 (old) | 99% |
| 🇯🇵 | Japan | JIS | SUP10 | 90% |