... 3-75mm Finish: POLISH,ACID,HL,200# polishing, 400 # polished SS 304 seanless tube Stainless steel is a production which not ... ,P5,12CrAISI1010,1020,1045,Gr·65 ,API X52,API X 42and so oneotherDIN,JISspecificationOut diameter6mm-750mmWall thickness0.3-75mmProduction technologyHot ... A 572,ASTM A 709,ASTMA302,ASTMA537,API X52,API X 42 and so on.specificationThickness:0.5mm-140mmProduction technologyHot ...