1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2009 07 09 N-STATUS No Replacement Named B. Curtiss, NA 2003 09 12 Revised Para 3.0 inserted; para 3.1, 3.5 and 4 deleted 1992 09 14 Released CE00E10109215020 C. C. Gray C. C. Printed copies are uncontrolled Copyright 2009, Ford Global Technol
2、ogies, Inc. Page 1 of 1 ALUMINUM FIN MATERIAL WSH-M2A135-A1 WSH-M2A135-A2 NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by these specifications is an aluminum sheet modified AA 3003 or AA 5005 type. 2. APPLICATION These materials were released originally for fabrication of fins on vacu
3、um brazed aluminum A/C evaporators and radiators. 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 CHEMICAL COMPOSITION PERCENTAGE (ASTM E 34) A1
4、A2 Silicon 0.60 max 0.50 max Iron 0.70 max 0.70 max Copper 0.05 - 0.20 0.10 max Magnesium - 0.50 - 0.70 Manganese 1.00 - 1.25 0.30 max Zinc 0.10 max 0.10 max Each Other Element 0.05 max 0.05 max Total Other Elements 0.15 max 0.15 max Aluminum Balance Balance 3.4 MECHANICAL PROPERTIES Materials as Supplied (ASTM B 557M) O-Temper H18-Temper Ultimate Tensile Strength, MPa 96 - 125 206 - 248 Yield Strength, MPa, min 41 180 Elongation, %, min 6.0 1.0 - 4.0 Note: Tempers can be applied to either A1 or A2 composition and will be called out on engineering drawing.
