| Steel number n° 634 | |
| Catégory: | |
| Numerical EN or ISO: G2 Si 1 | |
| Process - Brand - Commercial name: MIG-MAG-SAF-FILCORD (Nertalic 70 S) | |
| AWS Designation: ER 70S-3 | |
| Information: Old designation: | |
| Applications examples and others informations: Soudage des aciers non alliés doux à mi-durs A 33 à A52 et S235 à S355 Bobines de 5, 15, 16 ou futs de 300kg, Diamètres Diamètres 0.6, 0.8,1.0, 1.2, 1.6 mm. | |
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 0.08 et 0.08 % | Others steels: Steel - - 25 NCD 5 Steel 1.0406 - C 25 Steel 1.1158 - C 25 Steel - - 25 MS 5 Steel - - 25 NC 11 |
| No Chromium | |
| No Nickel | |
| No Molybdenum | |
| Silicium entre 0.6 et 0.6 % | |
| Manganese entre 1.15 et 1.15 % | |
| No Vanadium | |
| No Tungsten | |
| Phosphorus:0.015% | |
| Sulfurus:0.015% | |
| Note: Verify that there is no mistake in this document. |


No informations about forming.