1.0511 (C40): equivalents
AISI 1038 · S40C · 1038 · Ck40 · 070M40
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Designations by country and standard
| Country / type | Standard | Designation |
|---|---|---|
| Europe | EN | 1.0511· C40 |
| Germany | DIN (old) | Ck40 |
| France | AFNOR | AF60C40 · AF60C45 · XC42HI |
| United Kingdom | BS | 070M40 · 080M40 · En8 |
| ISO | ISO | C40E4 |
| Japan | JIS | S40C |
| Czech Republic | ČSN | 12041 |
| USA | AISI | AISI 1038 · AISI 1040 |
| USA | SAE | 1038 · 1040 |
Not unambiguous
- 080M40 also matches 1.1186.
- 1040 also matches 1.1186, 1.1189.
- AISI 1040 also matches 1.1186, 1.1189.
- C40E4 also matches 1.1186.
- Ck40 also matches 1.1186.
- S40C also matches 1.1186.
Equivalents are approximations: the composition and limits of the standards differ in part. For certificates, the ordered standard applies.