What is the grade S275J2 (1.0145)?
Grade S275J2 has a minimum yield strength of 275 MPa. The impact energy at a test temperature of -20°C is at least 27 joules.
What is the difference between S275J2 and S355J2 ?
S355JR VS S355J2:has better toughness as it is tested at -20°C compared to S355JR, which is tested at 20°C.
S355J2 vs. S275J2:S355J2 has a higher strength (355 MPa) compared to S275J2 (275 MPa).
Chemical Composition of Structural Steels - S235, S275 and S355
| Grade | C% | Mn% | P% | S% | Si% |
| S235 | 0.22 max | 1.60 max | 0.05 max | 0.05 max | 0.05 max |
| S275 | 0.25 max | 1.60 max | 0.04 max | 0.05 max | 0.05 max |
| S355 | 0.23 max | 1.60 max | 0.05 max | 0.05 max | 0.05 max |
Yield Strength of of Structural Steel - S235, S275, S355
| Structural Steel Grade at 16mm | Minimum Yield Strength at nominal thickness 16mm | |
| ksi | N/mm 2 (MPa) | |
| S235 | 33 000 ksi | 235 N/mm 2 |
| S275 | 36 000 ksi | 275 N/mm 2 |
| S355 | 50 000 ksi | 355 N/mm 2 |
Tensile Strength of of Structural Steel - S235, S275, S355
| Structural Steel Grade | Tensile Strength MPa at Nom thickness between 3mm and 16mm |
| S235 | 360 – 510 MPa |
| S275 | 370 – 530 MPa |
| S355 | 470 – 630 MPa |
What is the difference between 275jr and 275j2?
The main difference among the three S275 steel lies in their impact temperature: 20℃ of S275JR steel, -20℃ of S275J2 steel and 0℃ of S275J0 steel.
S275J2 (1.0145) equivalent China standard
Q275D
The China standard equivalent to the European steel grade S275J2 is GB/T 1591-2018 Q275D. S275J2, according to EN 10025-2, is a non-alloy structural steel with a minimum yield strength of 275 MPa. The Chinese standard Q275, found in GB/T 700, is also a structural steel with similar properties.
| EU EN |
England BS |
European old EN |
Belgium NBN |
China GB/T 1591-2018 |
Sweden SS |
India IS |
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