[MW:28262] Re: TIG WELDING BY DC POWER SOURCE FOR ALUMINIUM WELDING

Aluminium welding with DCEN is very difficult. The best choice unfortunately is AC only. 

You may get a weld with DCEN but not the quality of the welding joint.

On Monday, September 10, 2018 at 1:11:45 PM UTC+3, Sathish Kumar wrote:

Dear Experts

I have query on Aluminum welding.

Please conclude can I proceed Aluminum welding by DC power supply by negative polarity?

 Reason is I have hole touchup on aluminum base metal, I am aware that aluminum welding is proceeded with AC power source only.

Please conclude any option available for welding?

Regards

Sathish

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