... ,America,Angola,Dubai,Germany Black Steel Pipe ASTM A106 Chemical Requirements(%)(≤)GradeCSiMnPSCrMoNiCuVA0 ... s≥240MPaGrade C: Tensile Strength Rm≥485MPa, Yield Strength σs≥275MPaSubject: Black Steel Pipe(1) ... Pipe end: Plain end, or as per customers' special request(9)Finishing: Varnished with anti-rust paint, oil, galvanization(10)Manufacturing ... payment(15)Payment term: TT, L/C at sight(16)Contact: Ms. ...