| Steel number n° 857 | |
| Catégory: | |
| Numerical EN 10027/AFNOR symbolic: 40 Mn 4 | |
| Numeric EN 10027/AFNOR numerical: 1.1157 | |
| 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 0.36 et 0.44 % | Others steels: Steel - - 40 N 3 Steel 1.6546 - 40 NCD 2 Steel 1.6546 - 40 NCD 2 TS Steel - - 40 NCD 3 TS Steel 1.0970 - 41 S 7 |
| No Chromium | |
| No Nickel | |
| No Molybdenum | |
| Silicium entre 0.25 et 0.5 % | |
| Manganese entre 0.8 et 1.1 % | |
| No Vanadium | |
| No Tungsten | |
| Phosphorus:0.035% | |
| Sulfurus:0.035% | |
| Others elements: - | |
| Note: Verify that there is no mistake in this document. |


No informations about forming.