1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2009 03 26 N-STATUS No Replacement Named L. Sinclair, FNA 2003 10 18 Revised Para 3.0 inserted; para 3.1, 3.3 and 4 deleted 1974 11 24 SM/ET 0853 Released Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, Inc. Page 1 of
2、 1 SPECIAL BRAZING SPELTER SOLDER SK-M4A9003-AA/AB/AC NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by these specifications is a special brazing spelter. Suffix Wire Diameter AA 2 mm AB 3 mm AC 4 mm 2. APPLICATION This material was used for brazing of iron material, copper and copper a
3、lloys. 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 Cu 57.00 58.00% Ni 1.90 - 2.50% Sn 0.70 - 1.00% Si 0.15 - 0.25% Fe 0.10 - 0.30% Pb 0.010%, max Al 0.005%, max Other 0.050%, max Zn Remainder 3.2 MECHANICAL PROPERTY Tensile strength of the proper brazed filler metal. U. T. S., min 440 MN/m2Tensile test according to DIN 8525.
