| Steel number n° 581 | |
| Catégory: | |
| Numerical EN 10027/AFNOR symbolic: 21 Cr Mo 10 | |
| Numeric EN 10027/AFNOR numerical: 1.2313 | |
| 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 0.16 et 0.23 % | Others steels: Steel 1.7709 - 21 Cr Mo V 5-7 Steel 1.2777 - 21 Mo Ni 35-12 Steel 1.2888 - X 20 Co Cr W Mo 10-9 Steel 1.4057 - X 22 Cr Ni 17 Steel - - 20 CDV 5.07 |
| Chromium entre 2.3 et 2.6 % | |
| No Nickel | |
| Molybdenum entre 0.3 et 0.4 % | |
| Silicium entre 0.2 et 0.4 % | |
| Manganese entre 0.2 et 0.4 % | |
| No Vanadium | |
| No Tungsten | |
| Phosphorus:0.025% | |
| Sulfurus:0.025% | |
| Others elements: - | |
| Note: Verify that there is no mistake in this document. |