# 1.7227 (42CrMoS4): equivalents

Quelle: <https://mvg-frankfurt.de/en/materials/comparison/1-7227>

> 1.7227 (42CrMoS4) internationally: AISI 4140, 4140, 42CD4u, 42CrMo4, 40CrMo41 and 0 further designations by country and standard.

AISI 4140 · 4140 · 42CD4u · 42CrMo4 · 40CrMo41

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## Designations by country and standard

| Country / type | Standard | Designation |
|---|---|---|
| Europe | EN | 1.7227· 42CrMoS4 |
| France | AFNOR | 42CD4u |
| Italy | UNI | 42CrMo4 |
| Spain | UNE | 40CrMo41 |
| USA | AISI | AISI 4140 |
| USA | SAE | 4140 |

## Not unambiguous

- **4140** also matches [1.7225](https://mvg-frankfurt.de/en/materials/comparison/1-7225).
- **42CrMo4** also matches [1.7225](https://mvg-frankfurt.de/en/materials/comparison/1-7225).
- **AISI 4140** also matches [1.7225](https://mvg-frankfurt.de/en/materials/comparison/1-7225).

Equivalents are approximations: the composition and limits of the standards differ in part. For certificates, the ordered standard applies.