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EN 10025 S235JR and S275JR carbon steel are commonly used steel materials. From the steel grades themselves, we can also realize the strength of S275JR carbon steel is higher than that of EN 10025 S235JR steel. Below is for EN 10025 S235JR VS S275JR carbon steel.
EN 10025 S235JR VS S275JR carbon steel in chemical composition:
| Grade | C (t≤16mm) | Mn | P | S | Cu | N |
| S235JR | 0.19 max | 1.50 max | 0.045 max | 0.045 max | 0.60 max | 0.014 max |
| S275JR | 0.24 max | 1.60 max | 0.045 max | 0.045 max | 0.60 max | 0.014 max |
EN 10025 S235JR VS S275JR carbon steel in mechanical properties:
| Grade | Yield strength ReH/(N/mm2) (t≤16mm) min | Tensile strength Rm/(N/mm2) (3mm≤t≤16mm) | Elongation A/%(3mm≤t≤40mm) min | Charpy V test | |
| Temperature/℃ | Impact energy (Longitudinal)/J min | ||||
| S235JR | 235 | 360-510 | 26 | 20 | 27 |
| S275JR | 275 | 410-560 | 23 | 20 | 27 |
The carbon content of S275JR carbon steel is higher than that of EN 10025 S235JR steel, which ensure the former has higher strength. EN 10025 S235JR and S275JR carbon steel plates are produced by fully killed steel process, and supplied in normalized or controlled rolling condition.
