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American Welding Society Services
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Certifications
/ AWS D17.1 WPQ Material Grouping
By
gsm
Date
11-01-2007 00:19
I have a procedure qualified for Invar 36% Ni Balance Fe per AWS B2.1. For the welder qualification per AWS D17.1 which material grouping does this fall into IIIA or VII?
By
LE
Date
11-03-2007 21:32
IIIA
Topic
American Welding Society Services
/
Certifications
/ AWS D17.1 WPQ Material Grouping
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