1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2005 02 09 Revised Inserted 3.0; Deleted 3.1, 3.5, 4 1997 05 12 Revised Revised para 3.2 3.4; Updated J. Lott 1994 12 02 Released NC00E10244447048 J. Spencer Printed copies are uncontrolled Copyright 2005, Ford Global Technologies, LLC Page 1
2、of 1 SOLDER, TIN BASED WSA-M11A45-A1 SOLDER, TIN BASED WSA-M11A45-A3 1. SCOPE The material defined by these specifications is a paste solder consisting of prealloyed powdered solder metal and an organic-type flux. 2. APPLICATION These specifications were released originally for soldering the fuel ta
3、nks fill neck spud to the fuel tank. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.2 METAL COMPOSITION Tin 98.5 - 99.0 Copper 1.0 - 1.5 3.3 OVERALL COMPOSITION, % A1 A3 Metal 75 - 80 70 - 75 Zinc Chloride - 1.9 - 2.1 Betaine Chloride 1.9 - 2.1 - Other Remainder Remainder 3.4 PHYSICAL PROPERTIES Solidus 226 +/- 2 C Liquidus 227 +/- 2 C
