1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions 2012 07 25 N-Status No replacement A. Wedepohl, NA 2005 02 07 Revised Inserted 3.0; Deleted 3.1, 3.3, 4 1988 09 15 Released 107002-185 CF4S Controlled document at www.MATS Copyright 2012, Ford Global Technologies, LLC Page 1 of 1 SOLDER, 50 S
2、n/48 Pb/2 Sb NOT FOR NEW DESIGN WSF-M11A40-A 1. SCOPE The material defined by this specification is a solder. 2. APPLICATION This specification was released originally for material used in the alternator. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part
3、producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.2 SOLDER COMPOSITION Tin 49.5 - 50.5 Silver 0.015 max Zinc 0.005 max Antimony 1.5 - 2.5 Bismuth 0.025 max Copper 0.08 max Iron 0.02 max Aluminum 0.02 max Cadmium 0.005 max Arsenic 0.025 max Total other elements 0.08 max Lead Remainder 4. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. Contact for questions concerning Engineering Material Specifications.
