Steel square tube Material: Q195/Q235/Q345/SS400/A36/A50
Square tubing Standard：GB/ASTM
Steel sizes: 20×20×0.5-400×400×16mm
Square tubes Delivery Time：1-10 days
Square steel tubing Packing：Nude bundle packing/Canvas bundle packing/Standard safety sea freight packing
Steel surface treatment: Hot dip galvanized
Galvanized zinc coating：20—100μm/ 140--720g/m2
Further processing：Follow customer's request and drawing, such as cutting, bending, welding, drilling holes, Painting, Oil, and Hot dip galvanized etc.
Any question, Please do not hesitate to contact: Mr. Kong Ding, taotrustdk@gmail.com
Square tube specification list：
