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Volumetric Examination of Welder or Welding Operator Perform

PostPosted: Tue Feb 13, 2018 11:16 am
by mohd
Interpretation: IX-13-29
Subject: QW-304, Volumetric Examination of Welder or Welding Operator Performance Qualification Tests for
Unassigned Base Metals
Date Issued: May 29, 2014
File: 13-598
Question: A welder performance qualification is performed using two coupons of the same unassigned base metal
with the manual GTAW process. The unassigned base metal is a similar composition (same UNS number) as a
P-No. 61 base metal. May the completed test coupon be examined by a volumetric NDE method?
Reply: No

could any explain WQT for unassinged material?if not RT then what to Do?