1.1520 (C70U): equivalents
SK6 · C70W2 · T7 · C70E2U · 1.1620
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Designations by country and standard
| Country / type | Standard | Designation |
|---|---|---|
| Europe | EN | 1.1520· C70U |
| China | GB | T7 |
| Germany | DIN (old) | C70W2 |
| EN (European standard) | Material number (old) | 1.1620 |
| France | AFNOR | C70E2U |
| Italy | UNI | C70KU |
| Japan | JIS | SK6 · SK7 |
| Poland | PN | N7 |
| Russia | GOST | U7 |
| Czech Republic | ČSN | 19132 |
| USA | AISI (tool steel) | W1-7 |
| Austria | ÖNORM | K970 |
Not unambiguous
- SK6 also matches 1.1525.
Equivalents are approximations: the composition and limits of the standards differ in part. For certificates, the ordered standard applies.