... G3461-2005,JIS G3463-2006;ASTM A106-2006,ASTM A53-2007API 5L.2.Material Quality:Q195,Q215,Q235,Q345 ... 20-200*200mm.Zinc coating:270-300g/sqm. ASTM A53 hot dipped galvanized steel pipe-high qualityOuter DiameterOuter Diameter ... G3461-2005,JIS G3463-2006API 5LMaterialQ195,Q215,Q235,Q345,A53(A,B),A250,16MnTechniqueERWApplicationOil pipeIdentificationCECertificationISO,GOST,DNV,PEDPackageIn bundles ...