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Pre-Qualified Welding Procedures
The Technical Safety BC Pre-Qualified Welding Procedures (PWPs) are welding procedures that have been pre-qualified in accordance with the requirements of ASME Sec IX.
These Welding Procedures are pre-qualified by Technical Safety BC as standard procedures for Pressure Welders to test to.
There are 13 PWPs, each satisfying different variables for procedure and welding requirements.
PRE-QUALIFIED
WELDING PROCEDURE
PWP#1
Carbon Steel (P1 to P1)
6010 Root/HotPass Uphand
7018 Fill/Cap Uphand
All positions
PRE-QUALIFIED
WELDING PROCEDURE
PWP#2
Carbon Steel (P1 to P1)
6010 Root/HotPass Downhand
7018 Fill/Cap Uphand
All positions
PRE-QUALIFIED
WELDING PROCEDURE
PWP#3
Carbon Steel (P1 to P1)
6010 Root/HotPass Downhand
7018 Fill/Cap Uphand
All positions
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