GB/T700 GB/T3274 Q235B carbon structure steel plates / mild steel plates are equivalent to ASTM A36, A283C, EN10025-2 S235JR, JIS G3101 SS400, DIN 17100 ST37-2 etc mild steel materials.
Q235B carbon structure steel plate chemical composition:
| C | Si | Mn | P | S |
| 0.12-0.20 | 0.30 | 0.30-0.70 | 0.045 | 0.045 |
Q235B carbon structure steel plate mechanical properties:
| Grade | Thickness (mm) |
Yield Strength (Mpa) | Tensile Strength (MPa) |
Elongation (%) |
Min Impact Energy | |
| Q235B | ≤ 16 | 235 | 375-460 | 26 | 20 | 27J |
| > 16-40 | 225 | 375-460 | 25 | 20 | 27J | |
| >40-60 | 215 | 375-460 | 24 | 20 | 27J | |
| >60-100 | 205 | 375-460 | 23 | 20 | 27J | |
| >100-150 | 195 | 375-460 | 22 | 20 | 27J | |
| >150 | 185 | 375-460 | 21 | 20 | 27J | |
| The min impact energy is longitudinal energy | ||||||
Q235B carbon structure steel plate features:
Q235B carbon structure steel plate has good plasticity, toughness and weldability, as well as a certain strength, good cold bending performance.
Q235B carbon structure steel plate application:
Q235B carbon structure steel plate is used in different kinds of architecture and structural engineering, such as house, bridge, power transmission tower, crane, vessel, industrial boiler, reactiontower, pan straddle, warehouse and so on.
Q235B carbon structure steel plate equivalent grades:
| ASTM | AFNOR | JIS | DIN | ISO | EN |
| A36, A283C | E24-2 | SS400, SM400A | ST37-2 | FE360B | S235JR |
Technical Requirements & Additional Services of Q235B carbon structure steel plate:
♦ Low temperature impacting test
♦ Cutting and welding as per end user's demands
♦ More striction on some chemical elements contains
♦ Issued Orginal Mill test certificate under EN 10204 FORMAT 3.1/3.2
♦ Ultrasonic test under GB/T2970, JB4730, EN 10160, ASTM A435, A577, A578
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