European Standard
EN10210-1 hot finished structural hollow sections of non-alloy and fine grain steels
Main Steel Tube Grades:
S235JRH S275J0H S275J2H S355J0H S355J2H S355K2H
Chemical Composition
| Steel Grade | Chemical Composition Limits, % | ||||||
| Name | No. | C max | Si max | Mn max | P max | S max | N max |
| S235JRH | 1.0039 | 0.17 | / | 1.40 | 0.040 | 0.040 | 0.009 |
| S275J0H | 1.0149 | 0.20 | / | 1.50 | 0.035 | 0.035 | 0.009 |
| S275J2H | 1.0138 | 0.20 | / | 1.50 | 0.030 | 0.030 | / |
| S355J0H | 1.0547 | 0.22 | 0.55 | 1.60 | 0.035 | 0.035 | 0.009 |
| S355J2H | 1.0576 | 0.22 | 0.55 | 1.60 | 0.030 | 0.030 | / |
| S355K2H | 1.0512 | 0.22 | 0.55 | 1.60 | 0.030 | 0.030 | / |
Mechanical Properties
| Steel Grade | Mechanical Properties | Impact Energy KV J min | |||||
| Name | No. | Yield Strength MPa | Tensile Strength MPa | Elongation % | At Test Temperature of ℃ | ||
| -20 | 0 | 20 | |||||
| S235JRH | 1.0039 | ≥235 | 360-510 | 26 | / | / | 27 |
| S275J0H | 1.0149 | ≥275 | 410-560 | 23 | / | 27 | / |
| S275J2H | 1.0138 | ≥275 | 410-560 | 23 | 27 | / | / |
| S355J0H | 1.0547 | ≥355 | 510-680 | 22 | / | 27 | / |
| S355J2H | 1.0576 | ≥355 | 510-680 | 22 | 27 | / | / |
| S355K2H | 1.0512 | ≥355 | 510-680 | 22 | 40 | / | / |
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