Q235B jẹ ọkan ninu awọn irin ti o wọpọ ni Ilu China. Iye owo kekere rẹ le ṣee lo fun ọpọlọpọ awọn ọja pẹlu awọn ibeere iṣẹ ṣiṣe kekere.
Gbona-yiyi Q235B irin awo ni awọn elongation kan, agbara, ti o dara toughness ati castability, ati ki o jẹ rorun lati ontẹ ati weld. O jẹ lilo pupọ ni iṣelọpọ ti awọn ẹya ẹrọ gbogbogbo, nipataki fun awọn ẹya igbekale alurinmorin pẹlu awọn ibeere didara kekere ni ikole ati ẹrọ afara.
| Ipele | Iṣakojọpọ kemikali% | |||||
| C | Si | Mn | P | S | Ku | |
| Q235B | 0.2 ti o pọju | ti o pọju 0.35 | ti o pọju 1.40 | ti o pọju 0.045 | ti o pọju 0.045 | - |
| A36 | ti o pọju 0.26 | 0.40 ti o pọju | - | ti o pọju 0.04 | 0.05 ti o pọju | 0.20 iṣẹju |
| Ipele | Agbara ikore ReH /(N/mm2) (t≤16mm) min | Agbara fifẹ Rm /(N/mm2) (3mm≤t≤16mm) | Elongation A /% (3mm≤t≤40mm) min | Charpy V igbeyewo | |
| Iwọn otutu /℃ | Agbara ipa (Longitudinal) /J min | ||||
| Q235B | 235 | 370-500 | 26 | 20 | 27 |
| A36 | 250 | 400-550 | 23 | - | - |
| Nkan | Ohun elo | Sisanra (mm) | Ìbú (mm) |
Gigun (mm) |
| MS Gbona ti yiyi Irin Awo | Q235 SS400 A36 | 6-25 | 1500 - 2500 | 4000 - 12000 |
| EN10025 HR Irin Awo | S275 / S275JR ,S355/S355 JR | 6-30 | 1500 - 2500 | 4000 - 12000 |
| Igbomikana Irin Awo | Q245R, Q345R A516 Gr.60, A516 Gr.70 |
6-40 | 1500-2200 | 4000 - 12000 |
| Bridge Irin Awo | Q235, Q345, Q370, Q420 | 1.5-40 | 1500-2200 | 4000 - 12000 |
| Ọkọ-ile Irin Awo | CCSA/B/C/D/E, AH36 | 2-60 | 1500-2200 | 4000 - 12000 |
| Wọ Resistant Irin Awo | NM360, NM400, NM450, NM500, NM550 | 6-70 | 1500-2200 | 4000 - 8000 |
| Corten Irin Awo | SPA-H, 09CuPCrNiA, Corten A | 1.5-20 | 1100-2200 | 3000 - 10000 |
