Size:1,square&rectangle: 20x20_300x300mm 2,round steel pipe:DN15-DN150
WT:0.7-4.0mm
Length:6m,customized
Standard:GB/T3091-2008\BS1387-85\ISO65-70\BS4568-70\ASTM A53\DIN2440
Material:Q195\Q215\Q235\Q345
Processing technology:high-frequency straight seam welding
Surface: 1,bare 2,painting(Varnish coating)2,with oil
Application:used for scaffolding,making steel structure for green house, cars, aviation, shipbuilding,furniture,etc.
Main market: Middle east, Africa, North and South America, Eastern and Western Europe, Southeast Asia,Australia