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A Quick Guide to Welding and Weld Inspection
Figure 8.1b PQR example (ASME IX)
qualified range of a variable based on the actual value,
recorded in the PQR, which was used to weld the test
coupon. The qualified range of a variable specified in the
WPS is known as the ‘range of approval’ or ‘extent of
116
Woodhead Publishing Ltd – A Quick Guide to Welding and Weld Inspection
Data Standards Ltd, Frome, Somerset – 17/9/200908QG Welding chap8.3d Page 116 of 124
