1.1203 (C55E): equivalents
AISI 1055 · S55C · 1055 · Ck55 · 070M55
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Designations by country and standard
| Country / type | Standard | Designation |
|---|---|---|
| Europe | EN | 1.1203· C55E |
| Germany | DIN (old) | Ck55 |
| France | AFNOR | XC54 · XC55H1 |
| United Kingdom | BS | 070M55 |
| ISO | ISO | C55E4 |
| Italy | UNI | C55 |
| Japan | JIS | S55C |
| Spain | UNE | C55k · F1150 |
| USA | AISI | AISI 1055 |
| USA | SAE | 1055 |
Not unambiguous
- 070M55 also matches 1.0535.
- 1055 also matches 1.0535.
- AISI 1055 also matches 1.0535.
- C55 also matches 1.0535, 1.1209.
- C55E4 also matches 1.0535.
- C55k also matches 1.0535, 1.1221.
- Ck55 also matches 1.1204.
- S55C also matches 1.0535.
Equivalents are approximations: the composition and limits of the standards differ in part. For certificates, the ordered standard applies.