1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2010 01 06 N-STATUS No replacement named B. Curtiss, NA 2005 01 20 Revised Inserted 3.0; Deleted 3.3, 4 1979 03 26 Released EC013PR90-E E. R. Price Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 1 of 2 ALUMI
2、NUM ALLOYS - FREE MACHINING - ESE-M2A114-A GENERAL PURPOSE NOT TO BE USED FOR NEW DESIGN 1. SCOPE The materials defined by this specification are wrought aluminum alloys used for screw machine products. 2. APPLICATION This specification was released originally to obtain part print stability by allow
3、ing latitude in alloy selection for manufacturing, consistent with engineering drawing requirements. The aluminum alloys listed, are considered as optional for the part to which this specification is applied. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and p
4、art producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.1 CHEMICAL COMPOSITION AND HEAT TREATMENT The permissible aluminum alloys are listed below and shall be thermally treated to the designated temper. Alloy Temper Commercial Designation 2011 T
5、3 SAE AA 2011-T3, ASTM B 211 Alloy 2011-T3 2017 T4 SAE AA 2017-T4, ASTM B 211 Alloy 2017-T4 2024 T4 SAE AA 2024-T4, ASTM B 211 Alloy 2024-T4 6061 T6 SAE AA 6061-T5, ASTM B 211 Alloy 6061-T6 6262 T9 SAE AA 6262-T9, ASTM B 211 Alloy 6262-T9 It is not intended that a vendor use a large number of differ
6、ent alloys to produce a part, but to confine himself to a minimum variety for a particular run. 3.2 MECHANICAL PROPERTIES Specific mechanical properties shall be as shown on the engineering drawing. 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in me
7、eting the requirements of this specification. ENGINEERING MATERIAL SPECIFICATIONESH-M2A116-A Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 2 of 2 5.1 TYPICAL MECHANICAL PROPERTIES Alloy Tensile Strength Yield Strength BHN psi MPa psi MPa 2011-T3 55,000 379 43,000 296 95 2017-T4 62,000 427 40,000 275 105 2024-T4 68,000 469 47,000 324 120 6061-T6 45,000 310 40,000 276 95 6262-T9 58,000 400 55,000 379 120
