Hebei Canghai Nuclear Equipment Technology Co.Ltd. has more than 20 years of experience in the professional production of Pipe .SSAW steel pipes.SSAW steel pipe is the raw material of strip coil, often temperature extrusion molding, automatic double-wire double submerged arc welding process made of spiral seam pipe. The manufacturing process is to roll the steel strip, make the rolling direction at a certain angle to the center direction of the tube, and then form and weld, so the weld is spiral.Standards: ASTM A53, ASTM A252, GB / T 14291, GB / T 3091, GB / T 9711.1, GB / T 9711.2, GB / T13793, BSEN10217-2,BSEN10217-5,BSEN10219-1,BS EN10219-2, API 5L PSL1 / 2, API 5CT / ISO 11960 PSL1, SY/T5040, SY / T 5037.Technique:SSAW, special specifications can be customized.