# 1.1189 (C40R): equivalents

Quelle: <https://mvg-frankfurt.de/en/materials/comparison/1-1189>

> 1.1189 (C40R) internationally: AISI 1040, 1040, Cm40, XC42H1u, C40M2 and 1 further designations by country and standard.

AISI 1040 · 1040 · Cm40 · XC42H1u · C40M2

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## Designations by country and standard

| Country / type | Standard | Designation |
|---|---|---|
| Europe | EN | 1.1189· C40R |
| Germany | DIN (old) | Cm40 |
| France | AFNOR | XC42H1u |
| ISO | ISO | C40M2 |
| Italy | UNI | C40 |
| USA | AISI | AISI 1040 |
| USA | SAE | 1040 |

## Not unambiguous

- **1040** also matches [1.0511](https://mvg-frankfurt.de/en/materials/comparison/1-0511), [1.1186](https://mvg-frankfurt.de/en/materials/comparison/1-1186).
- **AISI 1040** also matches [1.0511](https://mvg-frankfurt.de/en/materials/comparison/1-0511), [1.1186](https://mvg-frankfurt.de/en/materials/comparison/1-1186).
- **C40** also matches [1.0511](https://mvg-frankfurt.de/en/materials/comparison/1-0511), [1.1186](https://mvg-frankfurt.de/en/materials/comparison/1-1186).

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