... P5,12CrAISI1010,1020,1045,Gr·65 ,API X52,API X 42and so oneotherDIN,JISspecificationOut diameter6mm-750mmWall thickness0.3-75mmProduction ... 572,ASTM A 709,ASTMA302,ASTMA537,API X52,API X 42 and so on.specificationThickness:0.5mm-140mmProduction technologyHot ... steel pipeSurface treatmentPolishing or notThe stainless steel barstandardASTM,GBmaterial201,202,301,304,316,316L,316LN,317,317L,309,309S, ...