Dear Ali,
Please refer the below for your query
Position:
Date: Fri, 26 Apr 2013 11:27:25 +0400
From: mhaskar.aly@gmail.com
To: materials-welding@googlegroups.com
Subject: [MW:17560] Welding Position & Backing in PQR
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Please refer the below for your query
Position:
QW-203 Limits of Qualified Positions for
Procedures
Unless specifically required otherwise by the welding
variables (QW-250), a qualification in any position qualifies
the procedure for all positions. The welding process
and electrodes must be suitable for use in the positions
permitted by the WPS. A welder or welding operator making
and passing the WPS qualification test is qualified for
the position tested. See QW-301.2.
Backing:
QW-251.1 Types of Variables for Welding
Procedure Specifications (WPS).
These variables (listedfor each welding process in tables QW-252 through
QW-265) are subdivided into essential variables, supplementary
essential variables, and nonessential variables
(QW-401). The "Brief of Variables" listed in the tables
are for reference only.Date: Fri, 26 Apr 2013 11:27:25 +0400
From: mhaskar.aly@gmail.com
To: materials-welding@googlegroups.com
Subject: [MW:17560] Welding Position & Backing in PQR
| Dear Friends, Is welding position & backing is the criteria for PQR; Can we use any position , with or without backing for PQR...and we don't have any restriction on above parameters Kindly clarify as per ASME SEc IX Ali | ||
| |
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