Q235 vs ASTM A36, S235, SS400 and E250 Steel
The following tables show Q235 steel vs A36, SS400, S235JR and E250 steel, they are similar in chemical composition, mechanical properties, and all belong to carbon structural steels.
Chemical Composition % (≤) | ||||||||||
Country | Standard | Steel Grade | Quality Grade | C | Si | Mn | P | S | Cu | N |
China | GB/T 700 | Q235 | Q235A | 0.22 | 0.35 | 1.40 | 0.045 | 0.050 | 0.30 | 0.012 |
Q235B | 0.20 | 0.35 | 1.40 | 0.045 | 0.045 | 0.30 | 0.012 | |||
Q235C | 0.17 | 0.35 | 1.40 | 0.040 | 0.040 | 0.30 | 0.012 | |||
Q235D | 0.17 | 0.35 | 1.40 | 0.035 | 0.035 | 0.30 | 0.012 | |||
US | ASTM A36 | A36 | 0.26 | 0.40 | 1.35 | 0.040 | 0.050 | 0.20 | – | |
European | EN 10025-2 | S235 | S235JR (1.0038) | 0.17 | – | 1.40 | 0.035 | 0.035 | 0.55 | 0.012 |
S235J0 (1.0114) | 0.17 | – | 1.40 | 0.030 | 0.030 | 0.55 | 0.012 | |||
S235J2 (1.0117) | 0.17 | – | 1.40 | 0.025 | 0.025 | 0.55 | – | |||
Japan | JIS G3101 | SS400 | – | – | – | 0.050 | 0.050 | – | – | |
India | IS 2062 | E250 | E250A | 0.23 | 0.040 | 1.50 | 0.045 | 0.045 | 0.20-0.35 | 0.012 |
E250B | 0.22 | 0.040 | 1.50 | 0.045 | 0.045 | 0.20-0.35 | 0.012 | |||
E250C | 0.20 | 0.040 | 1.50 | 0.040 | 0.040 | 0.20-0.35 | 0.012 |
Yield Strength (≥ N/mm2); Dia. (d) mm | Tensile Strength | |||||||
Country | Steel Grade | d≤16 | 16 < d ≤40 | 40 < d ≤60 | 60 < d ≤100 | 100 < d ≤150 | 150 < d ≤200 | N/mm2 |
China | Q235 | 235 | 225 | 215 | 215 | 195 | 185 | 370-500 |
US | A36 | 250 MPa (d ≤ 200mm) | 400-550 | |||||
European | S235 | 235 | 225 | 215 | 215 | 195 | 185 | 360-510 |
Japan | SS400 | 245 | 235 | 215 | 215 | 205 | 205 | 400-510 |
S235 has 3 quality grades, including S235JR, S235J0 and S235J2
Yield Strength (≥ N/mm2); Dia. (d) mm | Tensile Strength | |||||
Country | Standard | Steel Grade | d<20 | 20 ≤ d ≤40 | >40 | N/mm2 |
India | IS 2062 | E250 | 250 | 240 | 230 | ≥ 410 |
1MPa = 1 N/mm2