... .400.150.400.400.08Grade A: Tensile Strength Rm≥330MPa, Yield Strength σs≥205MPaGrade B: Tensile Strength Rm ... ≥415MPa, Yield Strength σs≥240MPaGrade C: Tensile Strength Rm≥485MPa, Yield Strength σs≥275MPaSubject: Black Steel Pipe(1) ... 14 meters(4)Grade: ASTM A106 Gr. A, Gr. B, Gr. C, ASTM A53A, B, ST37.2, ST ... the advance payment(15)Payment term: TT, L/C at sight(16)Contact: Ms. Annie Tel:+86 ...