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Steel grades ASTM A36 and SS400 under JIS G3101 both are common used carbon structure steels, mild steels. When rolling steel plates ASTM Grade A36, as rolled or Controlled rolled is ok for thickness below 40mm (1.5inch) normally. If above 40mm (1.5inch), customers can choose Normalized for improve steel property. Steel plates SS400 is also the same.
Mechanical property for SS400 mild steel:
| Thickness (mm) | ||||
| SS400 | ≤ 16 | > 16 ≤ 40 | > 40 ≤ 100 | > 100 |
| Yield strength (≥Mpa) | 245 | 235 | 215 | 205 |
| Tensile strength (Mpa) | 400-510 | |||
Mechanical property for A36 mild steel:
| Thickness (mm) | Yield strength (≥Mpa) | Tensile strength (Mpa) | Elongation in ≥,% | |
| T≤200 | 250 | 400-550 | 200mm | 50mm |
| 200<T | 220 | 400-550 | 20 | 23 |
SS400 is the Japanese steel material of a marking, the equivalent of the domestic Q235 steel. Foreign standards of structural steel often classified according to tensile strength, such as SS400 (Japan is so marked), where the minimum value of 400 means that σb to 400MPa high strength steel is σb ≥ 1373 Mpa steel.
ASTM A36 carbon steel is a carbon (non-alloy) steel formulated for primary forming into wrought products. Cited properties are appropriate for the as-fabricated (no temper or treatment) condition.
Address: Zhengzhou city in China.
Phone: 0086-371-86151827
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