| Steel number n° 491 | |
| Catégory: | |
| Numerical EN 10027/AFNOR symbolic: 19 Cr Ni 8 | |
| Numeric EN 10027/AFNOR numerical: 1.2722 | |
| 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 0.15 et 0.2 % | Others steels: Steel 1.7147 - 20 Mn Cr 5 Steel 1.0481 - A 78 CP. AP. FP Steel 1.0577 - A52 CP. AP. FP Steel - - AF50 S Steel 1.0044 - S275 JR |
| Chromium entre 1.8 et 2.1 % | |
| Nickel entre 1.8 et 2.1 % | |
| No Molybdenum | |
| Silicium entre 0.15 et 0.35 % | |
| Manganese entre 0.4 et 0.6 % | |
| No Vanadium | |
| No Tungsten | |
| Phosphorus:0.03% | |
| Sulfurus:0.03% | |
| Others elements: - | |
| Note: Verify that there is no mistake in this document. |