FORD ESF-M11A4-A-2012 SOLDER - RESIN CORED TO BE USED WITH FORD WSS-M99P1111-A .pdf

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1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions 2012 07 25 N Status No replacement A. Wedepohl, NA 2005 01 31 Revised Inserted 3.0; Deleted 3.4, 4 1963 04 15 Released CF6-119308 #1 Controlled document at www.MATS Copyright 2012, Ford Global Technologies, LLC Page 1 of 2 SOLDER - RESIN CORE

2、D NOT FOR NEW DESIGN ESF-M11A4-A 1. SCOPE The material defined by this specification is an activated resin cored 40-60 solder. 2. APPLICATION This specification was released originally for material used for soldering electrical connections and other applications where the use of a corrosive flux mus

3、t be avoided. 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). 3.1 CHEMICAL COMPOSITION (ASTM B 32) Tin 39.0 - 41.0 Zinc 0.005 max Antimony 0.40 max B

4、ismuth 0.25 max Copper 0.08 max Iron 0.02 max Aluminum 0.005 max Total Other Elements 0.08 max Lead Remainder 3.2 FLUX (ASTM B 284) The size of the flux core shall be as specified on the purchase notice. See General Information (paragraph 5.1). The composition of the flux shall be a resin base with

5、plasticizers or activators as to be classified “non corrosive“ by usual humidity tests, whether or not it is removed after soldering. 3.3 PHYSICAL PROPERTIES Solidus 183 C Liquidus 238 C ENGINEERING MATERIAL SPECIFICATION ESF-M11A4-A Copyright 2012, Ford Global Technologies, LLC Page 2 of 2 4. GENER

6、AL 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. 4.1 WEIGHT PERCENTAGE OF FLUX For most applications a solder containing approximately 2.2%

7、 flux by weight is generally used. In other applications, where excessive amounts of resin may be undesirable, solders containing approximately 1.1% flux by weight may be used. A solder containing approximately 3.3% flux by weight may be specified should a larger amount of flux be required. 4.2 SIZE

8、 OF SOLDER WIRE Cored solders are most often obtained in 0.063 in (1.6 mm), 0.090 in (2.29 mm), and 0.125 in (3.18 mm) diameter sizes, although sizes from 0.009 in (0.23 mm) to 0.250 in (6.35 mm) diameter are obtainable for specific applications. Example of Orderings: ESF-M11A4-A Solder, 0.063 in (1.6 mm) diameter, 2.2% flux by weight.