| Steel number n° 526 | |
| Catégory: | |
| Numerical EN 10027/AFNOR symbolic: AF42 C 20 | |
| Numeric EN 10027/AFNOR numerical: 1.0402 | |
| 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 0.14 et 0.21 % | Others steels: Steel - - F 48 Steel 1.2764 - X 19 Ni Cr Mo 4 Steel 1.7264 - 18 CD 4 Steel 1.6587 - 18 CND 6 Steel - - 18 MF 5  | 
      
| No Chromium | |
| No Nickel | |
| No Molybdenum | |
| Silicium entre 0.1 et 0.4 % | |
| Manganese entre 0.5 et 0.8 % | |
| No Vanadium | |
| No Tungsten | |
| Phosphorus:0.04% | |
| Sulfurus:0.04% | |
| Others elements: - | |
| Note: Verify that there is no mistake in this document. | 


          No informations about forming.