... etc. Size:20x20-400x400mm. TCT:0.3-12.0mm hollow rectangular steel tube1)Material: Q195/Q215/Q235,20#,45# etc. ... or naked as customers' need;5)Product Type: Square pipe, Rectangular tubes, ERW tubes, Seamless &Welded steel pipe, Galvanized steel pipe ... , gas, water pipe,construction,chimney pot.PackagingBundle,bulk in container or as per customers' requirements.Payment termnegotiation.Delivery time15-25 ...