... : Mild steel details description for BS1139 galvanized scaffolding tube Sino east steel enterprise co.,ltdWebsite: www.tjdfsd. ... :0086-13672079808contact person:Brooke Liu Product namegalvanized scaffolding tube Outer diameter:40mm,42mm,48mm,48.3mm Wall ... ,A36,SS400,SS330,ST37-2,08YU, Technical: welded:longitudinal welded,SSAW ApplicationConstruction structure,furniture,shipbuilding,petroleum,Power,gas ...