This European Standard specifies general rules (test procedures, test pieces) forThe specification and approval of brazing procedures for all materials, metallic and non-metallic. It is anticipated that, where necessary, specific requirements for individual industries will be developed withinThis framework and detailed inThe relevant application standard.The recommended format forThe procedure approval certificate is given in annex B.It assumes thatThe brazing procedure specifications are used in production and, inThe case of manual flame brazing, by competent brazers approved in accordance with EN 13133, where relevant