
EN 10149-3 S355NC steels specified in this European standard are applicable to hot-rolled flat products in the thickness range of ≥1.5mm and ≤20mm.
S355NC material chemical composition:max
| Grade | C % | Mn % | Si % | P % | S % | 
| S355NC | 0.18 | 1.60 | 0.50 | 0.025 | 0.015 | 
S355NC steel mechanical properties
| Grade | Min yield strength ReH N/mm2 | Tensile strength Rm N/mm2 | Min percentage elongation thick in mm | |
| <3 | ≥3 | |||
| S355NC | 355 | 470-610 | 20 | 25 | 
S355NC steel equivalent material
| Grade | EU 149 part 2 1980 | Germany SEW 92-75 | France | United Kingdom | 
| S355NC | Fe E 355TD | QStE 360 N | No equivalent | 43/35 | 
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