QW-453
PROCEDURE/PERFORMANCE QUALIFICATION THICKNESS LIMITS AND TEST
NOTES:
(1) The qualification test coupon shall consist of base metal not less than 6 in. (150 mm)
6 in. (150 mm). The weld overlay cladding shall be
a minimum of 1
1⁄2 in. (38 mm) wide by approximately 6 in. (150 mm) long. For qualification on pipe, the pipe length shall be a minimum
of 6 in. (150 mm), and a minimum diameter to allow the required number of test specimens. The weld overlay shall be continuous around
the circumference of the test coupon. For processes (performance qualification only) depositing a weld bead width greater than
1⁄2 in. (13 mm)
wide, the weld overlay shall consist of a minimum of three weld beads in the first layer.
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