| Steel number n° 645 | |
| Catégory: | |
| Numerical EN 10027/AFNOR symbolic: 25 No Cr Mo 12 | |
| Numeric EN 10027/AFNOR numerical: 1.2768 | |
| 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 0.2 et 0.3 % | Others steels: Steel 1.2726 - 26 Ni Cr Mo V 5 Steel 1.2353 - 27 Cr Mo V 6-12 Steel - - 28 C 4 Steel - - 28 CDV 5 Steel 1.8514 LW - 31 Cr Mo V 9 |
| Chromium entre 1.2 et 1.5 % | |
| Nickel entre 2.8 et 3.4 % | |
| Molybdenum entre 0.2 et 0.4 % | |
| Silicium entre 0.15 et 0.3 % | |
| Manganese entre 0.5 et 0.7 % | |
| No Vanadium | |
| No Tungsten | |
| Phosphorus:0.035% | |
| Sulfurus:0.035% | |
| Others elements: | |
| Note: Verify that there is no mistake in this document. |