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:bare,painting(varnish coating),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,East and West Europe,Southeast Asia,Australia.