Re: [MW:31046] How to check Argon Gas Purity?

It would have to be analyzed in a laboratory, but that technology is held by the companies that sell gas, so they are a judge and part of that process, you have to put your trust in the gas company, for ASME IX, the WPS places the "Welding Grade" legend (you can ask an ASME Authorized Inspector), not something like Ar 99.998%, because you have no way to demonstrate that data.

El vie., 26 jun. 2020 a las 22:08, 'james gerald' via Materials & Welding (<materials-welding@googlegroups.com>) escribió:

Argon purity certificate comes from the Argon gas manufacturer which will be cross checked with the Batch Number on the cyclinder.

During Welding we only measure oxygen content in ppm levels using oxygen analyser and mentioned in the WPS

Thanks & Regards

J.Gerald Jayakumar

On Friday, June 26, 2020, 10:35:34 PM GMT+7, Vinayak <vinayaknaik57@gmail.com> wrote:

what is the instrument name to check purity.

On Saturday, April 5, 2014 at 4:41:41 PM UTC+5:30, Richard robes wrote:

Mr.Prabhu,

You can check with Argon gas meter / Analyzer for 99.9 % purity or as per WPS requirements. Hope it's clear.

Regards

Richard

On Fri, Apr 4, 2014 at 4:18 PM, Maulik Thakkar <mlkth...@gmail.com> wrote:

You want to check which impurity?

Normally moisture/dew point need to be checked as per AWS 5.32. It should be less then 10.5 ppm.

To check moisture, dew point analyzer is available.

Regards,
Maulik
L&T, Welding engg. & Metallurgy

On Apr 4, 2014 5:31 PM, "prabhu" <prabhuj...@gmail.com> wrote:

Dear All,

 

I my doing work on SS material 316L , ensurinig clean and dust free area and surface but enable to rnsure the Argon gas purity.

please guid me how to ensure the gas .

Or is there any divice to check the Argon gas impurities.

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