🇺🇸 USA equivalent of
420A / X20Cr131.4021
AISI 420S42000REF
Standard: AISI · Source: ASTM A276
AISI 420 covers wide C range — 1.4021 is the 0.16-0.25% C variant (420A)
Other international equivalents
| Country | Standard | Grade | Match | |
|---|---|---|---|---|
| 🇪🇺 | Europe | EN | X20Cr13 | 100% |
| 🇫🇷 | France | AFNOR | Z20C13 | 98% |
| 🇬🇧 | United Kingdom | BS | 420S29 / 420S37 | 97% |
| 🇯🇵 | Japan | JIS | SUS420J1 | 93% |