| Steel number n° 684 | |
| Catégory: | |
| Numerical EN 10027/AFNOR symbolic: 30 Mn 5 | |
| Numeric EN 10027/AFNOR numerical: 1.1173 | |
| 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 0.27 et 0.34 % | Others steels: Steel - - 30 N 8 Steel 1.5736 - 30 NC 1 Steel 1.5737 - 30 NC 11 Steel LW - 34 Cr Al Mo 5 Steel 1.6583 - 35 Cr Ni Mo 6 |
| Chromium entre 0 et 0.3 % | |
| No Nickel | |
| No Molybdenum | |
| Silicium entre 0.15 et 0.4 % | |
| Manganese entre 1.2 et 1.5 % | |
| No Vanadium | |
| No Tungsten | |
| Phosphorus:0.035% | |
| Sulfurus:0.035% | |
| Others elements: - | |
| Note: Verify that there is no mistake in this document. |