1) Round pipe diameter: 16mm-406mm, thickness: 0.8-15.0mm

A: Size: 1) Round pipe diameter: 16mm-406mm, thickness: 0.8-15.0mm

B: Surface finish: black, blank, bright and galvanized

C: Length of each pipe: 500mm-12,000mm

D: Steel grade: carbon and stainless

E: Conforms to international standards, like: ASTM A53, ASTM A500, ASTM A513, BS1387, JIS G3468

EFW Steel Pipe and Tube