| Steel number n° 521 | |
| Catégory: | |
| Numerical EN 10027/AFNOR symbolic: 18 C 3 | |
| Numeric EN 10027/AFNOR numerical: 1.7016 | |
| 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 0.15 et 0.21 % | Others steels: Steel - - 18 C 4 Steel 1.5920 - 20 NC 6 Steel 1.0402 - AF42 C 20 Steel - - F 48 Steel 1.2764 - X 19 Ni Cr Mo 4 |
| Chromium entre 0.6 et 1 % | |
| No Nickel | |
| No Molybdenum | |
| Silicium entre 0 et 0.4 % | |
| Manganese entre 0.6 et 0.9 % | |
| No Vanadium | |
| No Tungsten | |
| Phosphorus:0.04% | |
| Sulfurus:0.035% | |
| Others elements: - | |
| Note: Verify that there is no mistake in this document. |