1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2003 09 24 Revised Para 3.0 inserted; para 3.4 and 4 deleted 1986 08 08 Released, RD 885100-102 C. F. Carter Printed copies are uncontrolled Copyright 2003, Ford Global Technologies, Inc. Page 1 of 1 BRAZING FILLER PASTE ESH-M4A176-A 1. SCOPE
2、The material defined by this specification is a phosphorus-tin-copper brazing filler paste. 2. APPLICATION This material was released originally for material used to braze brass heater core connector tubes to brass end tanks. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Materia
3、l suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.1 COMPOSITION OF BRAZE PASTE (% by weight) Powdered metal 62-67 Flux Remainder 3.2 BRAZE METAL COMPOSITION (ASTM E 156) Phosphorus 6.5 - 7.0 Tin 6.0 - 8.0 Total Other Elemen
4、ts 0.15 max Copper Remainder 3.3 BRAZE METAL MELTING RANGE Solid 688 C Liquid 727 C 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. 5.1 INDUSTRIAL DESIGNATION FOR FLUX AWS Type No. 3A 5.2 ACTIVE FLUX RANGE 566-927 C