| Size | According To The Drawing Requirements |
|---|---|
| Material | Q355B, Q235B |
| Standard | GB |
| Application | Large-span, Super-high Or Super-heavy Buildings |
| Warranty | 5 Years |
| Material | Q355 & Q235 |
|---|---|
| Standard | GB （China Standard） |
| Specification | 230M*56M |
| Connection Form | Bolt Connection |
| Type Of The Main Steel Frame | H-Steel |
