... or as require 2.out diameter: 6-830mm 304 bright annealing seamless steel tube1: 201, TP304, 304L, 316L, TP316L, 316Ti, ... 17458, 3)JIS G 3463 JIS G 3448 3. Specifications Cold drawn pipes: OD 6-630mm, Wall Thickness: 1-40mm ... AOD concise stoves, 650rolling mills, different types perforations, cold-drawn machinery production lines, cold-drawn production pipelines, Mechanics test, Ultrasonic test, Eddy ...