material:Q235 steel
inner tube:40/48mm
outer tube:48/56/60mm
length:2m,3m,4m,5m,6m…
thickness:1.5mm-3.5mm
surface finishing: painted, galvanized
packing:50pcs per pallet or accord your request
port of loading: Qingdao
we can manufacture accord your request , grateful to receive your detailed requirement