... ,067mm 2) Thickness: 1 - 80mm A: Pipe and tube Size Range:1) Round pipe diameter: 8mm-3000mm, thickness: 0.4-60 ... black, blank, bright and galvanized, or paintedC: Length of each pipe: 500mm-16,000mmD: Steel grade: 10#, 20#, A106B, A53B ... , 316 etcE: Conforms to international standards, like: ASTM A53, ASTM A500, ASTM A513, ASTM A312, BS1387, DIN2391, DIN2394, DIN17175, JIS G3452, EN10210, EN10219, ...