1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2009 07 09 N-STATUS No Replacement Named B. Curtiss, NA 2003 09 15 Revised Para 3.0 inserted; para 3.1, 3.4 and 4 deleted 1987-05-19 Released RD885100-130 C. F. Carter Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, I
2、nc. Page 1 of 1 ALUMINUM TUBE EXTRUDED WSH-M2A140-A NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is an aluminum tube supplied in the as-extruded condition. 2. APPLICATION This specification was originally released for material used to manufacture connector tubes
3、on vacuum brazed aluminum heater cores. 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 (See 5.1) Silicon 0.6 max
4、 Iron 0.8 maxCopper 0.20 - 0.40 Magnesium 0.10 max Manganese 0.8 - 1.3 Bismuth - Chromium 0.05 max Titanium 0.11 - 0.20 Zinc 0.10 max Each Other Element 0.05 max Total Other Elements 0.15 maxAluminum Balance 3.3 MECHANICAL PROPERTIES (As Supplied Tubing) (ASTM B 557M) Ultimate Tensile Strength 96 -
5、137 MPa Yield Strength, min 35 MPa Elongation, min 25% 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. The chemical composition values shown in section 3.2 are mandatory, however, suppliers should aim to meet the desired target values for the elements shown below. These target values give rise to optimum conditions: Silicon 0.20 Copper 0.33 Magnesium 0.01 Manganese 1.0 Titanium 0.15
