Re: [MW:18893] Fw: ARGON GAS PURITY LEVEL REG

Dear sri. Kabeer,

You can check with IOL wherein Argon is graded as I,II etc. IOLAR Grade 2 is used for pressure vessel application. A certificate to this effect with chemistry basically moisture content would be given IOLAR on demand.

Regards

Mohan Ananthanarayanan
DGM Qulaity ISRO



On Wed, 9 Oct 2013 11:54:42 +0800 (SGT), smkabeer ahamed wrote
>
>
> On Tuesday, 8 October 2013 11:51 AM, smkabeer ahamed <sm_kabeerahamed@yahoo.co.in> wrote:
>
>
> Dear friends,
>
> stainless steel welding ss304 to ss304 I have used TIG welding at groove
> joint.I have used argon gas purity level 99.7 percent instead of
> 99.99percent .our client suspect weld joint get oxidized.Is this purity
> level is accepted as per any code How we will check what percent of
> oxidation available in joint.is any testing method is there.how we will
> convince our client and get approval from him.kindly suggest as early as
> possible
>
> Regards,
>
> S.M.KABEER AHAMED
> CHIEF ENGINEER
> QUEST INSPECTION AGENCY
> BANGALORE-INDIA
>
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