1.6566 (17NiCrMo6-4): equivalents
815M17 · 18NCD6 · 17NiCrMo6 · 18NiCrMo5 · SS2523
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Designations by country and standard
| Country / type | Standard | Designation |
|---|---|---|
| Europe | EN | 1.6566· 17NiCrMo6-4 |
| France | AFNOR | 18NCD6 |
| United Kingdom | BS | 815M17 |
| ISO | ISO | 17NiCrMo6 |
| Italy | UNI | 18NiCrMo5 |
| Sweden | SIS | SS2523 |
Not unambiguous
- 18NCD6 also matches 1.6587.
Equivalents are approximations: the composition and limits of the standards differ in part. For certificates, the ordered standard applies.