Product Name | ERW / LSAW spiral welded steel pipe from China manufacturer | ||||
ERW / HFW | LSAW / DSAW | SSAW / HSAW | RHS | SHS | |
Outer Diameter | 1/8 - 20 inch (10.3 - 508 mm) | 12 - 56 inch (323.8 - 1420 mm) | 8 - 126 inch (219.1 - 3200 mm) | 40 x 20 mm - 1000 x 800 mm | 15 x 15 mm - 1000 × 1000 mm |
Wall Thickness | 0.4 - 16 mm | 6.0 - 40 mm | 6.0 - 26 mm | 1.0 - 30 mm | 0.6 - 30 mm |
Length | 5.8 ~ 12.0 m or upon customers' requirements | ||||
Standard | ASME B36.10, ANSI B36.10 ASTM A252, ASTM A53, ASTM A500 EN 10210, EN 10219, API 5L DIN 1626/1615, DIN 17120 GB/T 3091, GB/T 13793, etc. | ||||
Grade | SS400, Q235, Q345, Q460, A572 Gr.50, A572 Gr.60, S235, S275, S355, Grade A/B, X42, X52, X60, X70, etc. | ||||
Ends Shape | Beveled ends, Plain ends | ||||
Surface | Bared, oiled, color paint, 3LPE, or other anti-corrosive treatment | ||||
Inspection | Inspection of raw materials -- leveling inspection of butt welding inspection, Forming test -- in welding inspection, Welding inspection - cut test tube -- Ultrasonic testing, Inspection of groove, Dimension inspection, X-ray inspection -- pressure test, Final inspection | ||||
Application | structure, electric power transmission tower projects, piling, water, oil & gas pipeline engineering, mechanical industry, municipal projects, roads and its auxiliary facilities, etc. |