| Steel number n° 869 | |
| Catégory: | |
| Numerical EN 10027/AFNOR symbolic: 40 Cr Mn Ni Mo 8-6-4 | |
| Numeric EN 10027/AFNOR numerical: 1.2738 | |
| 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 0.35 et 0.45 % | Others steels: Steel 1.5864 - 40 NC 17 Steel - - 40 NCD 18 Steel 1.7006 - 42 C 2 Steel 1.7035 - 42 C 4 |
| Chromium entre 1.8 et 2.1 % | |
| Nickel entre 0.9 et 1.2 % | |
| Molybdenum entre 0.15 et 0.25 % | |
| Silicium entre 0.2 et 0.4 % | |
| Manganese entre 1.3 et 1.6 % | |
| No Vanadium | |
| No Tungsten | |
| Phosphorus:0.035% | |
| Sulfurus:0.035% | |
| Others elements: - | |
| Note: Verify that there is no mistake in this document. |