China Small Caliber Square Hollow Section Black Annealed Steel Tubes Q195 Q235 Square Steel Pipe, Find details about China Steel Pipe, Square Steel Pipe from Small Caliber Square Hollow Section Black Annealed Steel Tubes Q195 Q235 Square Steel Pipe
Size | 10mm*10mm - 400mm*400mm |
Wall Thickness | 0.5mm - 2.8mm |
Pipe Length | 0.5m~7.2m or Customerized |
Zinc Coating | 40g/m2 - 270g/m2 , 6μm~52μm |
Marking | Laser and Paint Type |