Monday, April 15, 2013

[MW:17416] RE: 17393] WPS

Yes to both.  An impact qualified procedure is essentially a subset of qualified procedures for the material/process/filler metal etc.;  i.e. a procedure with restrictions over and above those required for the more general condition. 

 

John A. Henning

Welding & Materials

 

From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of Ahmed Husain
Sent: Sunday, April 14, 2013 12:44 PM
To: materials-welding@googlegroups.com
Subject: [MW:17393] WPS

 

Dear All,

 

Your valuable comment is required on following cases.

 

1. Suppose, if i have a certified PQR for P1 Gr1 to P1Gr1 material with PWHT and impact testing. Process is GTAW and SMAW. Based on this PQR, can I prepare a WPS without impact testing, i.e for materials and design condition doesn't require impact testing. There is no issue in other variables.

2. Is it acceptable to apply a 'WPS prepared and approved for low temperature service with impact testing ' to a job, for which there is no requirement for impact testing.

 

A. Husain
ABS Consulting Inc.

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