RE: [MW:25917] Combining 2 PQRS

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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