What is exposed structural steel？

Exposed structural steel refers to the structural form that keeps the details of steel structure and its joints visible under the premise of meeting the quality requirements of steel structure in the building.

What are the requirements of the AESS standard for the processing of steel profiles?

1. No steel mill rolling trademarks, steel marks or raised marks are allowed;

2. It is forbidden to lift steel and components with bite printing;

3. During assembly, it is forbidden to weld temporary support on the exposed surface of components, and it is forbidden to hammer;

4. Minimum weld exposure;

5. the butt weld width is consistent, straight, and polished to flush with the base material, weld residual height is zero;

6. grinding along the weld length direction, the vertical direction of grinding is easy to lower than the base metal surface;

7. After shot blasting or sandblasting, the visible defects shall be welded and filled or polished to remove the defects.