... Sell to Japan,Indonesia,America,Angola,Dubai,Germany Black Steel Pipe ASTM A106 Chemical Requirements(%)(≤)GradeCSiMnPSCrMoNiCuVA0.250.100. ... customers' special request(9)Finishing: Varnished with anti-rust paint, oil, galvanization(10)Manufacturing Standard: ASTM A106, ASME ... cold rolled pipes(12)Packing: With cap, Bundled with steel strips, Wrapped PP bag prevent from moisture(13)Certificate: ISO9001 ...