Product name: S275JR steel tube 
Out diameter: 20-500mm
Thickness: 1-20mm
Length: 6m, or cutting according to your request
Material: ASTM 106B, ST52, S275JR, S275JO, SSS400, Q235, Q345B, 304, 316, 309s, etc
Standard: ASTM, JIS, DIN, GB, etc
Certificate: SGS, or according to customer's requirement
Usage: square steel pipes are widely used in construction, machinery manufacturing, iron and steel construction projects, shipbuilding, solar power stent, steel structure engineering, electricity power engineering, power plant, agricultural and chemical machinery, etc.
Packing: export standard packing, such as in bundles. We also can pack according to customer's request.
Payment term: T/T, LC at sight.
Delivery time: 5-7 days after receive the payment.