erw steel pipe (1) Length: 3.7m-12 m (2) Size: O. D.: ... .: sch 10, sch 20, sch 40, sch 80, sch 160 erw steel pipe1) Sizes: 9.5mm, 12.7mm, 15.9mm, 17mm ... , 50.8mm, 60mm, 63.5mm, 63.5mm, 73mm, 76.2mm, 88.9mm, 101.6mm, 114m 2) Thickness:1.0mm-8mm3) Length ... more than 0.05mm C) Length: No more than 5mm 5) Process method: Automatic shape, cold drawn, nitrogen protection erw steel pipe