
| Name | Square & Rectangular Hollow Section | 
| Specification | 15mmx15mm - 800mmx800mm 20mmx30mm - 600mmx800mm  | 
| Wall Thickness | 1.0mm - 30mm | 
| Length | 1m - 16m or Customerized | 
| Steel material | Q195 → SS330,ST37,ST42 Q235 → SS400,S235JR Q345 → S355JR,SS500,ST52  | 
| Surface Treatment | 1) Bared 2) Black Painted (varnish coating) 3) Galvanized 4) Oiled 5) PE,3PE, FBE, corrosion resistant coating, Anti corrosion coating  | 





