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srinurishi
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Join Date: May 2012
Posts: 7

Quality - Welder Qualification

06/15/2012 6:08 AM

A welder is qualified in SS material P No:8 to the same material in 6G position?

Does he eligible to weld CS material P No:1 to PNo:1 material?
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suvi
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Join Date: Jan 2012
Posts: 6
#1

Re: Quality - Welder Qualification

06/15/2012 11:39 PM

Yes.

Refer QW-423 Alternate Base Materials for Welder (ASME IX-2010)
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bm
Active Contributor

Join Date: Nov 2009
Location: India
Posts: 22
#2

Re: Quality - Welder Qualification

06/15/2012 11:40 PM

Yes he is - see ASME Sec IX QW 423.1.
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suvi
Member

Join Date: Jan 2012
Posts: 6
#3

Re: Quality - Welder Qualification

06/16/2012 12:32 AM

I have another question, QW 423.1 says -' Base metal used for welder qualification may be substituted for the metal specified in the WPS in accordance with the following table'. If so, is it allowed to use P1 material for welder qualification instead of P8 as qualified in the WPS.

thanks
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bm
Active Contributor

Join Date: Nov 2009
Location: India
Posts: 22
#4
In reply to #3

Re: Quality - Welder Qualification

06/16/2012 2:01 AM

Yes, assuming all other essential variables are satisfied. That's the beauty of ASME Codes - very practical.
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Whitephone
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Join Date: Jan 2010
Location: Mineral wells Tx
Posts: 289
Good Answers: 10
#5

Re: Quality - Welder Qualification

06/18/2012 6:03 AM

NO (Filler metal class). WP
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Whitephone
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Join Date: Jan 2010
Location: Mineral wells Tx
Posts: 289
Good Answers: 10
#6
In reply to #5

Re: Quality - Welder Qualification

06/18/2012 6:20 AM

ASME IX QW 404.15
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Previous in Forum: Split Sleeve used for Hot Tapping onto a Gas Line   Next in Forum: Quality Requirements


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