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Longitudinal Seam Welder


Longitudinal seam welder is commonly used to weld thin gauge tubes, cylinders, cones, flat sheets and open-ended boxes with wall thickness from 0.5 mm when seam quality is critical. It is designed for straight line welding applications that demand 100% penetration and minimal distortion. It’s suitable for all metals from carbon steel, stainless steel, various alloy steels and aluminum. The solution utilizes the custom clamping tools to dissipate heat from the weld zone and optimize weld quality. Longitudinal seam welders are manufactured in various designs:

Standard Seam Welders

Flat Sheet Seam Welders

Combination Seam Welders

Elevated Seam Welders

Beam Seam Welders


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