Our main Products Range:Galvanized ERW Scaffolding pipe, SSAW (Spiral Welded) Steel Pipe, LSAW Welded Steel Pipe, seamless steel pipe; oil tube&casing pipe, hollow section square pipe and so on.Used for fluid transmission, such as water, gas, and oil; scaffolding, construction structure and piling , etc. Scaffolding tube infomation:Standard:BS 1139, BS1387-1985, EN 39, EN10219, JIS G 3444. Certificate:EN10217, EN10219, API 5L PSL1/ PSL2, API 5CT .Out Diameter:27mm, 38mm, 42mm, 48.3mm-48.6mm .Wall Thickness: 2.0mm- 4.0mm .Steel Grade:Q195, Q215, Q235, Q345, S235JR, S275JR, STK400, STK500 Surface:Lightly oiled, Hot dip galvanized, Electro galvanized, Black If you are sourcing steel pipes from China, I believe that we can be your best supplier with competitive price, superior quality control and fast lead time.