1.7227 (42CrMoS4): equivalents
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
Equivalents are approximations: the composition and limits of the standards differ in part. For certificates, the ordered standard applies.