| Steel number n° 257 | |
| Catégory: | |
| Numerical EN 10027/AFNOR symbolic: Z 8 CNA 17 07 | |
| Numeric EN 10027/AFNOR numerical: 1.4564 | |
| AISI designation: | |
| Information: Old designation: | |
| Applications examples and others informations: | |
No informations about forming. |
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No informations about weldability. |
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No informations about corrosion resistance. |
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| See this steel Schaeffler Diagram | |
| Chemical composition element percentage | |
| Carbon entre 0 et 0.09 % | Others steels: Steel 1.4574 - Z 8 CNDA 15 07 Steel TIG-SAF-ALTIG Cr Mo 2 - W Cr Mo 2 Si Steel EE-SAF-SAFINOX R 309L - E 23 12 LR 12 Steel - - 8 N 8 Steel 1.5662 - 9 Ni |
| Chromium entre 16 et 18 % | |
| Nickel entre 6.5 et 7.75 % | |
| No Molybdenum | |
| Silicium entre 0 et 1 % | |
| Manganese entre 0 et 1 % | |
| No Vanadium | |
| No Tungsten | |
| Phosphorus:0.04% | |
| Sulfurus:0.03% | |
| Others elements: - | |
| Note: Verify that there is no mistake in this document. |