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Re: [MW:31312] Re: How to check Argon Gas Purity?

By Materials & Welding
Shaw meter available.
But always better weld in a piece and then proceed to job. Due to improper cleaning base metal also will result this black mark

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KG.PANDITHAN, BE, IWE,  CSWIP 3.1,
ISO 9712 Level 2 in VT,
ASNT-Level II in PT,MT,RT & UT,
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International Welding Engineer. 
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On Mon, Aug 17, 2020 at 10:48 AM TRIVIKRAM <trivikram977@gmail.com> wrote:
Dear All,

we are doing Aluminium alloy welding by (TIG) process, during welding we observed black mark around the welding for some argon gas cylinders.

Please suggest how to check the gas purity level and any instruments / gauge are available.

Thanks & Regards,

Trivikram

On Friday, April 4, 2014 at 9:23:35 AM UTC+5:30, prabhu 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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