SSAW steel pipe,Used for the conveyance of water, gas, or pertroleum products and piling pipe. SSAW steel pipe1.We produce pipes ourselves2.OD:219-2420mm,WT:5-30mm,length of pipe:3-18m3.certificate: API 5L & ISO Product nameSpiral submerged arc welding steel pipeStandardAPI 5L, GB/T9711,GradeQ235,Q345,B,X42,X52,X60,X65,X70applicationAs conveyer pipe in the fields of petroleum , heat, and natural ...