... ,A335,A333,DIN1629,DIN2448,NFA49,GOST8731,JISG3454GradeGR.B,X42,X56,P11, P22,ST37,ST45.8 ... or FBE or Galv. CoatedInspection & Certification1Certification: ISO, API, ASTM, DIN etc2 Mill Test Certificate: EN10204/3 ... Steel pipe: Seamlesssteel pipe, Erw/Lsaw welded steel pipe, Ssaw/Spiral welded steel pipe, Hot galvanized steel pipe , 3PE/2PE,3PP/2PP,FEB,EPOXY COATING steel pipe and Stainless steel pipe ...