China GB/T700 Q235B carbon steel plates mild steel sheets are one of the most popular mild steel materials used in the world. Q235B carbon steel have certain elongation and strength, good toughness and casting properties. Q235B steel is easy to punch and weld. For those features, GB/T700 Q235B carbon steel plates mild steel sheets are used for welding structures with high quality requirements in building and bridge engineering.
GB/T700 Q235B carbon steel plates mild steel sheets chemical composition
| Grade | C % | Si % | Mn % | P % | S % |
| Q235B | 0.22 | 0.35 | 1.4 | 0.045 | 0.045 |
GB/T700 Q235B carbon steel plates mild steel sheets mechanical properties
| Grade | Thickness(mm) | Yield Strength (Mpa) | Tensile Strength | Elongation(%) | Min Impact Energy | |
| (MPa) | ||||||
| Q235B | ≤ 16 | 235 | 370-500 | 26 | 20 | 27J |
| 16-40 | 225 | 370-500 | 25 | 20 | 27J | |
| >40 | 215 | 370-500 | 24 | 20 | 27J | |
China GB/T700 Q235B carbon steel plates mild steel sheets have similar performance with America steel ASTM A36, A283C, European steel S235JR, DIN steel ST37-2, JIS steel Ss400, etc. But they also have difference in some aspects. Welcome to contact BBN steel for more information.
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