| Steel number n° 678 | |
| Catégory: | |
| Numerical EN 10027/AFNOR symbolic: 28 Ni Cr Mo 4 | |
| Numeric EN 10027/AFNOR numerical: 1.6513 | |
| 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 0.24 et 0.34 % | Others steels: Steel 1.2307 - 29 Cr Mo V 9 Steel - - 30 CD 4 Steel 1.7707 - 30 Cr Mo V 9 Steel 1.6580 - 30 Cr Ni Mo 8 Steel 1.1173 - 30 Mn 5 |
| Chromium entre 1 et 1.3 % | |
| Nickel entre 1 et 1.3 % | |
| Molybdenum entre 0.2 et 0.3 % | |
| Silicium entre 0.15 et 0.4 % | |
| Manganese entre 0.3 et 0.6 % | |
| No Vanadium | |
| No Tungsten | |
| Phosphorus:0.035 maxi% | |
| Sulfurus:0.035 maxi% | |
| Others elements: - | |
| Note: Verify that there is no mistake in this document. |