Dowell stainless steel welded tubes Ltd., is a China factory specializing in production of stainless steel plasma welded pipes and tubes for industrial use. Our factory imported from Germany a complete set of equipment for plasma welded pipe manufacture. Type: Austenitic Process method: Welded Our products comply with the following industrial standards, 304, 304L, 316, 316L, 321. Product range: Outer diameter from 9 to 2500 mm Wall thickness from 0. 5 to 25 mm, While we can also produce other specifications according to customers' requirements Standards: ASTM A312/A312M, A249/A249M, A688/A688M