This part includes principles on the subject of the qualification of welding and brazing methods as required by way of different Code Sections for part manufacture. It additionally covers ideas in terms of the qualification and requalification of welders, brazers, and welding and brazing operators so they could practice welding or brazing as required by way of different Code Sections within the manufacture of elements. Welding and brazing info disguise crucial and nonessential variables particular to the welding or brazing approach used
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Additional resources for 2007 BPVC Section IX - Welding and Brazing Qualifications
Form QW-482 (see Nonmandatory Appendix B) has been provided as a guide for the WPS. This Form includes the required data for the SMAW, SAW, GMAW, and GTAW processes. It is only a guide and does not list all required data for other processes. 2 Each manufacturer or contractor shall be required to prepare a procedure qualification record which is defined as follows: (a) Procedure Qualification Record (PQR). A PQR is a record of the welding data used to weld a test coupon. The PQR is a record of variables recorded during the welding of the test coupons.
3 mm) for t up to 3⁄8 in. (10 mm), inclusive (b) 1⁄3t for t over 3⁄8 in. (10 mm) to 21⁄4 in. (57 mm), inclusive (c) 3⁄4 in. (19 mm) for t over 21⁄4 in. (57 mm) (3) any group of slag inclusions in line that have an aggregate length greater than t in a length of 12t, except when the distance between the successive imperfections exceeds 6L where L is the length of the longest imperfection in the group Macro-Examination — Performance Specimens The cut end of one of the end plate sections, approximately 1 in.
Guided-bend specimens shall be bent in test jigs that are in substantial accordance with QW-466. 2, the side of the specimen turned toward the gap of the jig shall be the face for face-bend specimens, the root for root-bend specimens, and the side with the greater discontinuities, if any, for side-bend specimens. The specimen shall be forced into the die by applying load on the plunger until the curvature of the specimen is such that a 1 ⁄8 in. 2) is used. 3), the side of the specimen turned toward the roller shall be the face for face-bend specimens, the root for root-bend specimens, and the side with the greater discontinuities, if any, for side-bend specimens.