... A106,ASME B36.API 5L good quality stainless steel pipe in China factory viewSteel pipe manufacturing process1. step2.step3.stepend ... ,ST37,ST45.8,ST52,S235JR,STP40Packaging:painting black, pipe cap, steel strips bundled.Applications:Petroleum;construction;shipbuilding; ... design available according to requirement2.Anti-corrosion and high-temperature resistant with black painting3.All the production ...