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Participant

Join Date: Jan 2015
Posts: 2

WPS Essential Variables

01/29/2015 3:30 AM

Dear All,
I want a clarification for the following issue base on ASME IX
" I have WPS for P-number -1 / Group number -2 "
1- can I use same WPS for same P-number and G-number but different type of material form A 516 gr.70 to A573 Gr.70 ?
2- can I use the same WPS for welding material under P-1 / G-1 ?
3- Can I use it to weld P-1/G-1 material with p-1/G2 material ?
please clarify the upper questions with a proof from ASME IX

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Guru

Join Date: Oct 2008
Posts: 39131
Good Answers: 1543
#1

Re: WPS Essential Variables

01/29/2015 6:10 AM

Consult your copy of ASME IX to find the proof you need.

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Member

Join Date: Dec 2010
Posts: 7
#2

Re: WPS Essential Variables

01/30/2015 1:07 AM

Yes you can as long as both materials are of the P1 classification but there is a condition - you cannot weld P1 Group 2 material if it is low temperature service. If you have qualified a WPS / PQR on a P1 Group 1 material you cannot weld P1 Group 2 material if it is low temperature service.

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Guru

Join Date: Jan 2010
Location: Mineral wells Tx
Posts: 594
Good Answers: 30
#3

Re: WPS Essential Variables

01/30/2015 4:38 AM

ASME IX 2010 QW- 200.3
1.- Yes
2.- Yes
3.- QW-200.3
WP

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Participant

Join Date: Jan 2015
Posts: 2
#4
In reply to #3

Re: WPS Essential Variables

01/30/2015 6:00 AM

Thanks alot..

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