... 3.ling according to ISO4179 flange t joint ductile iron pipe Standard: JIS, AISI, ASTM, GB, DIN, ... 600Type: SeamlessSteel Grade: 300 SeriesApplication: medichine,food, machine,industry,Certification: ISOWelding Line Type: ERWThickness: 0.5mm ... decorations, railroad vehicles.Some seamless stainless steel pipe/tube which has excellent corrosion resistant, mechanical ... . flange t joint ductile iron pipe