Re: [MW:27022] Hydrogen level

You can use a gas detector which ensures 99% of Argon. But hydrogen atoms may be there. This small quantity don't make any adverse effect on welding.

On Nov 20, 2017 12:59 PM, "Mohamed Ali" <marb8389@gmail.com> wrote:

Dear Experts,

Could you please tell, how can ensure no hydrogen is is the backing or Shielding gas??

if use Argon gas 99.997% during welding.

Regards,

Mohamed

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