Specification :
China Cangzhou Spiral Steel Pipe Co., ltd ( greencloud55 at gmailcom) is the largest and most professional SSAW pipe manufacturer in North China, it established in 1994. The company occupies 420, 000 square meters, The total assets is about 600 million. With advanced technique and completely inspection equipment, we can produce spiral pipes comply with standards of SY/ T5040-2000, SY/ T5037-2000, GB/ T9711.1-1997, and API 5L. Outside Diameter: 219 mm to 2850mm, 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. Our products have been export to so many countries such as UAE, Iran, Saudia Arabia, Argentina, Portugal, USA, Canada, New Zealand, France, Nigeria, South Korea, Malaysia, Pakistan, India, Vietnam, etc. 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. ( skype: blueskyzhang0522 msn: zhangli.interesting at hotmailcom)