Product Name: Rack Steel Pipe ERW / HFW RHS SHS Outer diameter 1/8 - 20 inch(10.3 - 508 mm) 40 x 20 mm -1,000 x 800 mm 5 x 15 mm -1,000 × 1,000 mm Wall thickness 0.4 - 16 mm 1.0 - 30 mm 0.6 - 30 mm Length 5.8 ~ 12.0 m or upon customers' requirements Standard GB/T 3091, GB/T 13793, ASTM A252, ASTM A53, ASTM A500, EN 10210, EN 10219, API 5L, DIN 1626/1615, DIN 17120, etc. Grade SS400, Q235, Q345, Q460, A572 Gr.50, Gr.1/Gr.2/Gr.3, S235, S275, S355, Grade A/B, X42, X52, X60, X70, etc. Surface: bared, oiled, color paint, or other anti-corrosive treatment Packing: in bulk / bundles / nylon fabric bags with seaworthy packing or according to customers' requirements