| Steel number n° 661 | |
| Catégory: | |
| Numerical EN 10027/AFNOR symbolic: Z 25 CNWS 20 09 | |
| Numeric EN 10027/AFNOR numerical: - | |
| 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 0.2 et 0.3 % | Others steels: Steel - - 25 NC 6 Steel MIG-MAG-SAF-FILINOX 316L Si (NERTALIC 52) - G 19 12 3 L Si Steel 1.2747 - 28 Ni Mo 17 Steel 1.2365 - X 32 Cr Mo V 3-3 Steel 1.1170 - 28 Mn 6 |
| Chromium entre 19 et 21 % | |
| Nickel entre 8 et 10 % | |
| No Molybdenum | |
| Silicium entre 0.75 et 1.5 % | |
| Manganese entre 0 et 2 % | |
| No Vanadium | |
| No Tungsten | |
| Phosphorus:0.045% | |
| Sulfurus:0.035% | |
| Others elements: Fe Rest/Bal. | |
| Note: Verify that there is no mistake in this document. |


No informations about forming.