| Steel number n° 55 | |
| Catégory: | |
| Numerical EN 10027/AFNOR symbolic: X 2 Cr Ni Mn Mo N Nb 21-16-5-3 | |
| Numeric EN 10027/AFNOR numerical: 1.3964 | |
| 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 et 0.03 % | Others steels: Steel 1.3974 - X 2 Cr Ni Mn Mo N Nb 23-17-6-3 Steel 1.4565 - X 2 Cr Ni Mn Mo Nb N 25-18-5-4 Steel 1.4404 - X 2 Cr Ni Mo 17-12-2 Steel 1.4435 - X 2 Cr Ni Mo 18 14 3 Steel 1.4438 - X 2 Cr Ni Mo 18 16 |
| Chromium entre 0 et 20.5 % | |
| Nickel entre 0 et 15.5 % | |
| Molybdenum entre 0 et 3.2 % | |
| Silicium entre 0 et 0.4 % | |
| Manganese entre 0 et 4.6 % | |
| No Vanadium | |
| No Tungsten | |
| No Phosphorus | |
| No sulfurus | |
| Others elements: Nb env. 0.130 ; N env. 0.300 | |
| Note: Verify that there is no mistake in this document. |