Re: [MW:25497] GMAW for CS

Dear Frnd, 

Go with CO2. You will get good results

Dont use mix gas.

Just use CO2 99.95%

Best Regards,

Chandra

On 04-Oct-2016, at 5:01 PM, Kannayeram Gnanapandithan <kgpandithan@gmail.com> wrote:

Do not use Pure Argon, Mix with Oxidising gas like O2 or CO2

THANKS & BEST REGARDS,

KG.PANDITHAN, IWE,  AWS-CWI, CSWIP 3.1,

CONSULTANT-WELDING & QUALITY

Mobile no: +919940739349

On Mon, Oct 3, 2016 at 2:15 PM, 'MAGHROUD Moussa' via Materials & Welding <materials-welding@googlegroups.com> wrote:

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Dear experts

I am trying to qualify a PQR using GMAW applied on a plate spec A36,10 mm thick, ER 70S6 1.2 mm, position 3G, progression downhill and Argon pure as shielding gas. But after RT shooting we find porosity throughout the joint. 

Please anyone can help how to qualify this weld. 

Envoyé depuis un mobile Samsung

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