5mm Stainless Steel? One Pass, Perfect Fusion. Meet the Protig-400CT
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- Issue Time
- Mar 19,2026
Summary
When it comes to welding 5mm stainless steel, not all welders are created equal. The Protig-400CT is built for those who demand power, precision, and professional-grade results.
Why choose it?
When it comes to welding 5mm stainless steel, not all welders are created equal. The Protig-400CT is built for those who demand power, precision, and professional-grade results.
Why choose it?
✅ 400A peak power – handles medium plates easily
✅ High-frequency start – clean arc, no contamination
✅ Pulse TIG function – less heat, less distortion
✅ Industrial cooling – built for all-day work
Tanks, frames, or custom parts – this machine delivers.
👇Check it out now!