QW 404.12

prem_nautiyal26

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Oct 9, 2016, 9:30:21 AM10/9/16

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A WPS/PQR is qualified with ER 316L for corrosion resistant overlay as per ASME SEC IX.

welding process is GTAW.

Can this procedure be used for a welding procedure of ER 310 overlay.

Base material P No. are same.

ASME SEC IX QW 404.12 FOR change in filler metal classification is blank.

Regards

Prem Nautiyal

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Himan Nikdin

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Oct 12, 2016, 4:59:25 AM10/12/16

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I don't think so, Check A No..

Sent from my iPhone

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Prakash Hegde

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Oct 12, 2016, 5:00:34 AM10/12/16

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Hi!

No you can not use this PQR as AWS/UNS No of each category of SS No and A no as per QW404.37 is essential

Regards

Hegde P.B.

Kannayeram Gnanapandithan

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Oct 12, 2016, 11:48:49 AM10/12/16

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A no for 310 weld metal is 9

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Vishwas Keskar Welding Manager Pune India

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Oct 12, 2016, 11:58:39 PM10/12/16

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NEW PQR is required as A NO OF ER316L is 8 and ER310 is 9

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