# 1.1121 (C10E): equivalents Quelle: > 1.1121 (C10E) internationally: Ck10, 045M10, XC10, Ck15, XC12 and 5 further designations by country and standard. Ck10 · 045M10 · XC10 · Ck15 · XC12 We supply this material on request. [Send an enquiry](https://mvg-frankfurt.de/en/contact) ## Designations by country and standard | Country / type | Standard | Designation | |---|---|---| | Europe | EN | 1.1121· C10E | | Germany | DIN (old) | Ck10 · Ck15 | | France | AFNOR | XC10 · XC12 | | United Kingdom | BS | 045M10 · CS12 | | ISO | ISO | C10 · C15M2 | | Italy | UNI | C10 · C15 | | Spain | UNE | C10k | ## Not unambiguous - **C10** also matches [1.0301](https://mvg-frankfurt.de/en/materials/comparison/1-0301), [1.1207](https://mvg-frankfurt.de/en/materials/comparison/1-1207). - **C15** also matches [1.0401](https://mvg-frankfurt.de/en/materials/comparison/1-0401), [1.1140](https://mvg-frankfurt.de/en/materials/comparison/1-1140), [1.1141](https://mvg-frankfurt.de/en/materials/comparison/1-1141). - **C15M2** also matches [1.1140](https://mvg-frankfurt.de/en/materials/comparison/1-1140). - **Ck10** also matches [1.0301](https://mvg-frankfurt.de/en/materials/comparison/1-0301), [1.1207](https://mvg-frankfurt.de/en/materials/comparison/1-1207). - **Ck15** also matches [1.0401](https://mvg-frankfurt.de/en/materials/comparison/1-0401), [1.1140](https://mvg-frankfurt.de/en/materials/comparison/1-1140), [1.1141](https://mvg-frankfurt.de/en/materials/comparison/1-1141). - **XC10** also matches [1.0301](https://mvg-frankfurt.de/en/materials/comparison/1-0301), [1.1207](https://mvg-frankfurt.de/en/materials/comparison/1-1207). - **XC12** also matches [1.0401](https://mvg-frankfurt.de/en/materials/comparison/1-0401), [1.1140](https://mvg-frankfurt.de/en/materials/comparison/1-1140), [1.1141](https://mvg-frankfurt.de/en/materials/comparison/1-1141). Equivalents are approximations: the composition and limits of the standards differ in part. For certificates, the ordered standard applies.