api standards pipe supply 1.Standard: BS,JIS,GB,ASME,ANSI,DIN 2.Grade: ... ,API L80,API P110 3.Out Dia api standards pipe supply Standard: BS,JIS,GB,ASME,ANSI,DINGrade:API J55,API ... Surface: Annealed/Pickled/Polished.Ends: Plain ends or Bevel ends.Packing: in bundle,wooden cases,non woven cloth or bags,or ...