| Steel number n° 847 | |
| Catégory: | |
| Numerical EN 10027/AFNOR symbolic: 40 Cr Ni Mo V 3-3-4 | |
| Numeric EN 10027/AFNOR numerical: 1.2739 | |
| 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 0.37 et 0.43 % | Others steels: Steel - - 40 M 6 Steel - - 40 NC 19 Steel - - 40 NCD 16 Steel 1.6511 - 40 NCD 3 Steel 1.4122 - X 35 Cr Mo 17 |
| Chromium entre 0.5 et 0.8 % | |
| Nickel entre 0.7 et 1 % | |
| Molybdenum entre 0.3 et 0.45 % | |
| Silicium entre 1.3 et 1.6 % | |
| Manganese entre 0.7 et 0.9 % | |
| Vanadium entre 0.07 et 0.12 % | |
| No Tungsten | |
| Phosphorus:0.03% | |
| Sulfurus:0.03% | |
| Others elements: - | |
| Note: Verify that there is no mistake in this document. |