1.1204 (C55S): equivalents
Ck55 · CS50 · C50RR · 1.1203
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Designations by country and standard
| Country / type | Standard | Designation |
|---|---|---|
| Europe | EN | 1.1204· C55S |
| Germany | DIN (old) | Ck55 |
| EN (European standard) | Material number (old) | 1.1203 |
| France | AFNOR | C50RR |
| United Kingdom | BS | CS50 |
Not unambiguous
Equivalents are approximations: the composition and limits of the standards differ in part. For certificates, the ordered standard applies.