AWS B2.2/B2.2M:2016

This specification provides the requirements for qualification of brazing procedure specifications, brazers, and brazing operators for manual, mechanized, and automatic brazing. The brazing processes included are torch brazing, furnace brazing, diffusion brazing, resistance brazing, dip brazing, infrared brazing, and induction brazing. Base metals, brazing filler metals, brazing fluxes, brazing atmospheres, and brazing joint clearances are also included.
Scope : This specification provides the requirements for qualification of Brazing Procedure Specifications (BPSs). This specification also provides requirements for the performance qualification of brazers and brazing operators. This specification is intended for use where referenced by a product standard or contract document. Employers shall be responsible for the brazing done by their organization, including the use of qualified brazing procedures, qualified brazers, and qualified brazing operators. It is the Employerâ??s responsibility to assure that BPSs meet any additional requirements of the Referencing Document. Each Employer shall maintain the applicable BPSs, Brazing Procedure Qualification Records (BPQRs), and Brazing Performance Qualification (BPQ)s during the period of their use. When not otherwise specified by the Referencing Document, the edition of this specification to be used shall be established in accordance with the following: (1) editions may be used at any time after the effective date of issue; (2) the latest edition of this document should be used for new contracts; (3) editions established by contract date may be used during the entire term of the contract, or the provisions of later editions may be used when agreed upon by the contracting parties. This document is intended for use with the following brazing processes: (1) Torch Brazing (TB) (2) Furnace Brazing (FB) (3) Induction Brazing (IB) (4) Resistance Brazing (RB) (5) Dip Brazing (DB) (6) Infrared Brazing (IRB) (7) Diffusion Brazing (DFB)