... , DINGrade: Cr-Mo alloyThickness: 0.8 - 80 mmSection Shape: RoundPlace of Origin: Cang zhou China (Mainland)Secondary Or ... -secondaryApplication: Oil PipeTechnique: Hot RolledCertification: APISurface Treatment: GalvanizedSpecial Pipe: API PipeAlloy Or Not: Non-alloyType: SeamlessModel Number: 6MM ... Q195, Q215, Q235...Outer Diameter: 6MM-1000MMseamless steel pipe: 1)standard: GB,DIN,ASTM,EN,BS,AND,SO, ...