🇺🇸 USA equivalent of
18CrNiMo7-61.6587
AISI 4820 (approx)REF
Standard: AISI · Source: ASTM A29
No exact US equivalent. 4820 is nearest but different Cr/Mo balance
Other international equivalents
| Country | Standard | Grade | Match | |
|---|---|---|---|---|
| 🇪🇺 | Europe | EN | 18CrNiMo7-6 | 100% |
| 🇨🇳 | China | GB | 17CrNiMo6 | 90% |