# 1.1186 (C40E): equivalents

Quelle: <https://mvg-frankfurt.de/en/materials/comparison/1-1186>

> 1.1186 (C40E) internationally: AISI 1040, S40C, 1040, Ck40, 080M40 and 5 further designations by country and standard.

AISI 1040 · S40C · 1040 · Ck40 · 080M40

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## Designations by country and standard

| Country / type | Standard | Designation |
|---|---|---|
| Europe | EN | 1.1186· C40E |
| Germany | DIN (old) | Ck40 |
| France | AFNOR | XC42H1 |
| United Kingdom | BS | 080M40 · CS40 |
| ISO | ISO | C40E4 |
| Italy | UNI | C40 |
| Japan | JIS | S40C |
| Spain | UNE | C35k |
| USA | AISI | AISI 1040 |
| USA | SAE | 1040 |

## Not unambiguous

- **080M40** also matches [1.0511](https://mvg-frankfurt.de/en/materials/comparison/1-0511).
- **1040** also matches [1.0511](https://mvg-frankfurt.de/en/materials/comparison/1-0511), [1.1189](https://mvg-frankfurt.de/en/materials/comparison/1-1189).
- **AISI 1040** also matches [1.0511](https://mvg-frankfurt.de/en/materials/comparison/1-0511), [1.1189](https://mvg-frankfurt.de/en/materials/comparison/1-1189).
- **C35k** also matches [1.0501](https://mvg-frankfurt.de/en/materials/comparison/1-0501), [1.1181](https://mvg-frankfurt.de/en/materials/comparison/1-1181).
- **C40** also matches [1.0511](https://mvg-frankfurt.de/en/materials/comparison/1-0511), [1.1189](https://mvg-frankfurt.de/en/materials/comparison/1-1189).
- **C40E4** also matches [1.0511](https://mvg-frankfurt.de/en/materials/comparison/1-0511).
- **Ck40** also matches [1.0511](https://mvg-frankfurt.de/en/materials/comparison/1-0511).
- **S40C** also matches [1.0511](https://mvg-frankfurt.de/en/materials/comparison/1-0511).

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