🇺🇸 USA equivalent of
440B / X90CrMoV181.4112
AISI 440BS44004REF
Standard: AISI · Source: ASTM A276
Approximate — EN grade adds Mo and V
Other international equivalents
| Country | Standard | Grade | Match | |
|---|---|---|---|---|
| 🇪🇺 | Europe | EN | X90CrMoV18 | 100% |
| 🇯🇵 | Japan | JIS | SUS440B | 88% |