China Cangzhou Spiral Steel Pipes Group Co.,ltd is the most professional SSAW pipe manufacturer in CANGHOU CITYChina, we established in 1993. We can produce SAWH spiral pipes comply with standards of API 5L.PSL1 PSL2 ASTM A252, ASTM A139,AWWA C200,DIN2440, BS534 Outside Diameter: 219 mm to 3250mm,  Pipe Thickness: 5mm to 26mm (0.236-0.708inch),Steel Grade:ASTM A252 Gr1,Gr2,Gr3, SS400, St37,St52,Q235B,Q345B, API GrA, GrB, X42, X46, X52, X56, X60, X65, X70.
       We have Eleven spiral pipe production lines, Our annual output is 300,000tons. Our pipes widely used as structure steel pipe, piling pipe, sewage and drinking water transmission, line pipe for petroleum, gas etc.
     We export to so many countries such as UAE, Iran, Bahrain, Saudia Arabia, Argentina, Portugal, USA, Canada, New Zealand, France, Nigeria, South Korea, Pakistan, India, Vietnam, South Korea etc. Our company is especially good at special materials, special diameter and thick wall thickness SSAW pipe. We can also do many kind of coating of the pipe, such as : varnish coating, epoxy coating, FBE, 2PE(double-layer polyethylene), 3PE(three polyethylene),cement mortar lining. Standard:DIN30670, DIN30671, SY/T4013-2002, SY/T0315-97 standards. Galvanized SSAW pipe: GB/T13912-2002.