JIS square pipes
1. Outer diameter: 10*10-400*400mm
2. Thickness: 0.5-25mm
3. Length: 4m, 5.8m, 6m or customized according to your need.
4. Surface treatment: Bared, galvanized, oiled, painted to prevent rust.
5. Technique: ERW, hot-rolled
6. Certification: CE, ISO
7. Material: Q195, Q235, Q345(16Mn), 20#, STK400, STK490
8. Executive standard: JISG3466-88
9. Application: Square steel pipe are widely used in machine-building, construction, metallurgy, automobile-making, railway construction, container support, furniture, decoration and steel structure construction.

10. Capacity: 7000 tons per month
11. MOQ: 1 ton
12. Delivery time: In 20 days or according to the customers' quantity
13. Port of shipment: Xingang Tianjin
14. Payment: T/T advance 30%-50% or L/C irrevocable at sight
15. Package: Packed in bundles, wrapped with steel stripes, bulk vessel, or as customers' requirements. With double PVC weaving sheets or outer packing seaworthy polypropylene cases.
16. The main products big outer diameter and thick square steel tube have filled the blank of both at home and abroad. Our products are widely used in many industries, for instance, steel construction project, machinery making and shipbuilding.