AWS B2.2/B2.2M pdf free download

AWS B2.2/B2.2M pdf free download.Brazing Procedure and Performance Qualification.
3. Terms and I)efinitions
The brazing terms used in this standard shall he interpreted in accordance with the definitions given in the latest edition of AWS A3.OM/A3.O. Standard 34lding Tc’nns and 1)rfiniiions. Including Terms for Adlwsi;’e Bonding. Bru:ing, Soldering. Thermal Cutting, and Thermal Spraying, and additional terms as used in this standard as defined below.
Brazing Performance Qualification (BP()). A record of brazing conditions used to produce an acceptable lest brazement and the results of tests conducted on the braiemc’nt to qualify a brazer or brazing operator.
brazing ariubIc. Any controllable detail of a brazing procedure which is required to be addressed on the BPS.
Implor. The contractor or manufacturer of the production brazement for which brazing procedure and pcrtormance qualifications are required. Wheneser appros’al. signature. or certification by the Employer is required by this specification, it shall mean the Employer or a designated employee within the Employer’s organization. Closely related conipanies. including those with difTcrcni names for which clTcct,s’c control of brazing is as one organization, shall he considered as one Employer.
plate. Used generally to refer to plate and sheet.
qualification sariabic. A brazing variable which, if changed beyond the limitations specified, requires requalification of the procedure. brazer, or brazing operator.
qualified brazer. One who is qualified to the requirements of this specification to perform manual brazing.
qualified brazing operator. One vho is qualified to the requirements of this specification to operate furnace. mechanifcd, or automatic brazing equipment.
Qualifier. The Employer, organhlanon. or indi’.idual specified by the Referencing Document as responsible for conducting and supcnising qualification testing.
rabbet joint. Typical design is indicated in Fres 4.2 and LI.
Referencing l)ocumcnt. The product standard or contract document that invokes this spedficalion.
specimen. The test pieces talen (rum a portion of a lest coupon that are evaluated fin qualification purposes. In %Vfl)C cases, the test hraiemcnt is also the specimen.
specimen blank. That portion of a test braicmcni that is remosed for the production of a portion of the test coupon. In some cases, the specimen blank is also the specimen.
4. Brazing Procedure Qualification
4.1 (;ciwral. A braiing prix.’cdure qualification provides test data ftw assessing the properties of a hra,*,d joint. It is the obligation of manufacturers to produce bra,cmcnts that have properties suitable for the application. The proof of production hrae soundness is determined by the type and extent of testing and examination applied, which is the responsibility of the Referencing Document.
4.1.1 The Employer shall determine the appropriate test assembly to be used to make a test hraiement.
4.1.1.1 To qualify a braiing procedure. the following steps are necessary.
(I) Any format may he used (or the BPS, provided all qualification variables and other applicable information are included.
(2) The actual conditions used in making the test braiement and the results of itie required examrnation and specimen testing shall be recorded on a BPQR. Any format may be used. provided all quahhcation variables are addressed.
(3) The qualifying company shall certify that the information on the HPQR is an accurate record of the tests performed and the test results are in compliance with the qualification variahks and testing requirements of AWS B 2.2/B 2.2 M. Specifi anon for IIra:mg Prrl tdurr and Perfon7u4n(’ Quthfi aijo,,.
(4) If the results do not meet acceptance requirements. a ne test hraemcni shall be prepared. Test hraicmcnts shall not be repaired.AWS B2.2/B2.2M pdf download.