# 1.4031 (X39Cr13): equivalents

Quelle: <https://mvg-frankfurt.de/en/materials/comparison/1-4031>

> 1.4031 (X39Cr13) internationally: 4C13, Z40C13, X40Cr14, 4H13, 40KH13 and 2 further designations by country and standard.

4C13 · Z40C13 · X40Cr14 · 4H13 · 40KH13

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## Designations by country and standard

| Country / type | Standard | Designation |
|---|---|---|
| Europe | EN | 1.4031· X39Cr13 |
| China | GB | 4C13 |
| France | AFNOR | Z40C13 |
| Italy | UNI | X40Cr14 |
| Poland | PN | 4H13 |
| Russia | GOST | 40KH13 |
| Czech Republic | ČSN | 17024 |
| USA | USA | Type420 |

## Not unambiguous

- **40KH13** also matches [1.4034](https://mvg-frankfurt.de/en/materials/comparison/1-4034).
- **4H13** also matches [1.4034](https://mvg-frankfurt.de/en/materials/comparison/1-4034).
- **X40Cr14** also matches 1.2083.

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