EN 10025-2 : 2004 Technical delivery conditions fornon-alloy structural steels. S355K2 steel is a low carbon, high tensile strength structural steel which can be readily welded to other weldable steel. it possesses good cold-forming properties.
S symbol for Structural Steel
K2 symbol Charpy V-Notch Impact Tested Longitudinal 40 Joules at -20 ˚C max 100mm thickness.
EN10025 S355K2 Chemical Requirements
| Grade | Composition,% | |||||||
| C,max | Mn, max | P, max | S, max | Si, max | Cu, max | |||
| ≦16 | >16 ≦40 | >40 | ||||||
| S355K2 | 0.20 | 0.20 | 0.22 | 1.60 | 0.025 | 0.025 | 0.55 | 0.55 |
| Yield strength, min Nominal thickness mm | Tensile strength, min Nominal thickness mm | |||||||||||||
| ≤16 | >16 ≤40 | >40 ≤63 | >63 ≤80 | >80 ≤100 | >100 ≤150 | >150 ≤200 | >200 ≤250 | >250 ≤400 | <3 | ≥3 ≤100 | >100 ≤150 | >150 ≤250 | >250 ≤400 | |
| S355K2 | 355 | 345 | 335 | 325 | 315 | 295 | 285 | 275 | 265 | 510 to 680 | 470 to 630 | 450 to 600 | 450 to 600 | 450-600 |
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