erw steel pipe (1) Length: 3.7m-12 m (2) Size: O. D.: ... . T.: sch 10, sch 20, sch 40, sch 80, sch 160 erw steel pipe(1) Meterial: ASTM A 53 Grade B/ API ... .50; Si: 0.17-0.37; Mn: 0.50-0.80; P≤0.035; S≤0.035; Cr≤0.25; Cu ... . T.: Sch 5, sch 10, sch 20, sch 40, sch 80, sch 160, sch xxs (7) Packaging: Hexagonal shape bundles wrapped ... and america, south america, africa and so on. erw steel pipe