Hebei Canghai Nuclear Equipment Technology Co.Ltd. is the one of leading company of steel pipe and pipe fittings in China with years of experiences. the products are widely used in key application such as Electric power, Petroleum, Chemical industry, Oil and Gas engineering, Water transmission, Ocean engineering, Refining, Heating and Light textile etc.LSAW (Longitudinal double submerge arc welding) carbon steel pipe is a type of SAW pipe made of steel plates that were hot rolled by JCOE or UOE forming technology. JCOE technology represents the shaping and forming processes involved during manufacturing as well as the inner and outer welding and cold expansion carried out after welding.Standard:API 5L, ASME, ASTM B36, JIS, DIN, GB8162, GB8163, GB5310, etc.Material:：ASTM A106 GRB/ A53 GRB/ A192/A179/API 5L GRB/ X42 /X52 /Q345/ ST42/ST37/ ST52/GB816320#