S235JR steel is common carbon structural steel. The minimum yield strength of S235JR steel shall be 235 Mpa for nominal thickness, and tensile strength of S235JR steel shall be within 360-510Mpa. 1Mpa is equal to 1 N/mm2. There are a lot of EN standard 1.0038 material S235JR steel equivalent grades in the world. For example, ST37-2 steel, SS400 mild steel, Q235B low carbon steel, A36 mild steel, A283 Gr. C carbon steel, etc.
EN standard 1.0038 material S235JR steel equivalent grades chemical composition:
Grade | C (t≤16mm) | Si | Mn | P | S | Cu | N |
S235JR | 0.19 max | - | 1.5 max | 0.045 max | 0.045 max | 0.60 max | 0.014 max |
ST37-2 | 0.21 max | - | - | 0.065 max | 0.065 max | - | 0.010 max |
SS400 | - | - | - | 0.050 max | 0.050 max | - | - |
Q235B | 0.20 max | 0.35 max | 1.40 max | 0.045 max | 0.045 max | - | - |
A36 | 0.26 max | 0.40 max | - | 0.040 max | 0.050 max | 0.20 min | - |
A283 Gr. C | 0.24 max | 0.04 max | 0.09 max | 0.035 max | 0.040 max | 0.20 min | - |
EN standard 1.0038 material S235JR steel equivalent grades mechanical properties:
Grade | Yield strength ReH/(N/mm2) | Tensile strength Rm/(N/mm2) (3mm≤t≤16mm) | Elongation A/% | Charpy V test | |
(t≤16mm) min | (3mm≤t≤40mm) min | Temperature/℃ | Impact energy (Longitudinal)/J min | ||
S235JR | 235 | 360-510 | 26 | 20 | 27 |
ST37-2 | 235 | 360-510 | 26 | 20 | 27 |
SS400 | 245 | 400-500 | 21 | - | - |
Q235B | 235 | 370-500 | 26 | 20 | 27 |
A36 | 250 | 400-550 | 23 | - | - |
A283 Gr. C | 205 | 380-515 | 25 | - | - |
EN standard 1.0038 material S235JR steel equivalent grades offer the unique combination of good welding properties with guaranteed strengths. So S235JR steel equivalent grades are extremely adaptable and are often favoured by the engineers who try to maximize the structure strength while minimizing the weight. S235JR steel equivalent grades are mainly used to produce structural parts of the bolted and welded steel in the industrial area.
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