S235JR, S235J2, and S235J0 steel are carbon structural steels that implement the European standard EN10025. The difference between S235JR, S235J2 and S235J0 steel is the impact test temperature. S represents structural steel; 235 represents the lower limit of yield strength: 235MPa; J2 refers to the impact energy test temperature -20 degrees Celsius; JR refers to the impact energy test temperature +20 degrees Celsius; J0 refers to the impact energy test temperature 0 degrees Celsius.
Chemical element composition of S235JR, S235J2, S235J0 steel:
| Standard | EN 10025-2 | |||
| Grade | S235JR | S235J0 | S235J2 | |
| 1.0038 | 1.0114 | 1.0117 | ||
| C | ≤40mm | ≤0.17 | ≤0.17 | ≤0.17 |
| >40mm | ≤0.20 | |||
| Si | — | — | — | |
| Mn | ≤1.40 | ≤1.40 | ≤1.40 | |
| P | ≤0.035 | ≤0.030 | ≤0.025 | |
| S | ≤0.035 | ≤0.030 | ≤0.025 | |
| N | ≤0.012 | ≤0.012 | — | |
| Cu | ≤0.55 | ≤0.55 | ≤0.55 | |
S235JR, S235J2, S235J0 steel are carbon structural steels, and S235JR, S235J2, and S235J0 are used for welding, bolting, and riveting structures.
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