... MAG & Laser & Plasma avaiable 2. Automatic welding 3. Pipe seam welder 1. MACHINE DESCRIPTIONThis machine is mainly designed for straight seam welding of ... welding costs and improves the quality of the weld.This machine can weld carbon steel, stainless steel, aluminum, cooper, and ... regulation [Rack and pinion, precision by liner guide rail] Machine can be customized if not in the list. 3. PICTURES ...