Combining 2 PQRS
Lalit Malla
John Henning
NO - Per ASME IX.
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hajarath ali
Reference ASME SEC IX QW 200.4
Manoj Singh
Yes u can pls.refer sec Ix welding general requirement.
NO - Per ASME IX.
From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of Lalit Malla
Sent: Tuesday, January 17, 2017 6:07 AM
To: Materials & Welding
Subject: [MW:25915] Combining 2 PQRS
Dear Expert,
I am having 2 PQRs i.e.:
1. 2" Sch. 80 Pipe (thk.-5.54mm) - GTAW (70S-2)
2. 6" Sch. 160 Pipe (thk.-18.26mm) - SMAW (7018)
My question is: Can I combine these 2 PQRs for buiding up one more making new WPS for 8" Sch. 80 Pipe (thk.-12.70mm) using GTAW+SMAW (Root and hot with GTAW and filling and capping with SMAW)
Thanx in advance
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prashant pansare
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John Henning
Note:
Diameter is not an essential or non-essential variable for procedure qualification.
Diameter is an essential variable for weldor performance qualification.
Therefore not applicable to the question.
From: material...@googlegroups.com [mailto:material...@googlegroups.com]
On Behalf Of prashant pansare
Sent: Wednesday, January 18, 2017 9:51 AM
To: material...@googlegroups.com
Subject: Re: [MW:25932] Combining 2 PQRS
Check qualification limit for dia as per Sec IX.
On Jan 17, 2017 6:00 PM, "Lalit Malla" <lalit...@gmail.com> wrote:
Dear Expert,
I am having 2 PQRs i.e.:
1. 2" Sch. 80 Pipe (thk.-5.54mm) - GTAW (70S-2)
2. 6" Sch. 160 Pipe (thk.-18.26mm) - SMAW (7018)
My question is: Can I combine these 2 PQRs for buiding up one more making new WPS for 8" Sch. 80 Pipe (thk.-12.70mm) using GTAW+SMAW (Root and hot with GTAW and filling and capping with SMAW)
Thanx in advance
--
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The views expressed/exchnaged in this group are members personel views and meant for educational purposes only, Users must take their own decisions w.r.t. applicable code/standard/contract documents.
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John Henning
Yes you can combine them.
NO it will not meet his requirements as you will be limited to the qualification thicknesses for base metal and weld metal of the GTAW process. See QW-200.4(a)(1) and QW-200.4(a)(2). His combined weld cannot be greater than 2T and 2t for the GTAW - i.e. 11.04mm for both. Thus, the root cannot be made on the 12.70mm thick weld.
From: material...@googlegroups.com [mailto:material...@googlegroups.com]
On Behalf Of Manoj Singh
Sent: Wednesday, January 18, 2017 1:09 AM
To: material...@googlegroups.com
Subject: RE: [MW:25924] Combining 2 PQRS
Yes u can pls.refer sec Ix welding general requirement.
On 17 Jan 2017 9:35 pm, "John Henning" <jhen...@deltak.com> wrote:
NO - Per ASME IX.
From:
material...@googlegroups.com [mailto:material...@googlegroups.com]
On Behalf Of Lalit Malla
Sent: Tuesday, January 17, 2017 6:07 AM
To: Materials & Welding
Subject: [MW:25915] Combining 2 PQRS
Dear Expert,
I am having 2 PQRs i.e.:
1. 2" Sch. 80 Pipe (thk.-5.54mm) - GTAW (70S-2)
2. 6" Sch. 160 Pipe (thk.-18.26mm) - SMAW (7018)
My question is: Can I combine these 2 PQRs for buiding up one more making new WPS for 8" Sch. 80 Pipe (thk.-12.70mm) using GTAW+SMAW (Root and hot with GTAW and filling and capping with SMAW)
Thanx in advance
--
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dilintas
--Dear Expert,I am having 2 PQRs i.e.:1. 2" Sch. 80 Pipe (thk.-5.54mm) - GTAW (70S-2)2. 6" Sch. 160 Pipe (thk.-18.26mm) - SMAW (7018)My question is: Can I combine these 2 PQRs for buiding up one more making new WPS for 8" Sch. 80 Pipe (thk.-12.70mm) using GTAW+SMAW (Root and hot with GTAW and filling and capping with SMAW)Thanx in advance
http://www.linkedin.com/groups/MaterialsWelding-122787?home=&gid=122787&trk=anet_ug_hm
The views expressed/exchnaged in this group are members personel views and meant for educational purposes only, Users must take their own decisions w.r.t. applicable code/standard/contract documents.
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