1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2009 07 09 N-STATUS No Replacement Named B. Curtiss, NA 2005 01 21 Revised Inserted 3.0, Deleted 3.5, 4 1985 08 07 Released RD885100-64 C. F. Carter, CCD Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 1 of 1
2、 ALUMINUM BRAZING SHEET - HEADER STOCK WSH-M2A128-B NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is an aluminum alloy sheet clad with brazing alloy on one side, and a high temperature corrosion protection clad on the other side. 2. APPLICATION This material was r
3、eleased originally for fabrication of header stock for vacuum brazed aluminum radiators. This specification replaces and supersedes ESH-M2A128-A. When ESH-M2A128-A is shown on other documents, the requirements of this specification apply. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATE
4、RIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.1 CHEMICAL COMPOSITION (Weight Percent) Braze Coolant Side Core Cladding Cladding Silicon 0.40 max 9.2 - 10.2 0.7 max Si + Fe Iron 0.70 max 0.50 max - Copper 0.
5、30 max 0.10 max 0.10 max Manganese 1.0 - 1.5 0.10 max 0.10 max Magnesium 0.40 - 0.70 1.25 - 1.75 0.10 max Bismuth - 0.15 max - Zinc 0.25 max 0.10 max 0.8 - 1.3 Each other element 0.05 max 0.05 max 0.05 max Total other element 0.15 max 0.15 max 0.15 max Aluminum Remainder Remainder Remainder 3.2 CLAD
6、DING THICKNESS (7.5 +/- 1.5% of total) Nominal Gage (total clad sheet) 1.52 - 1.68 mm Cladding (typical each side) 0.114 - 0.126 mm 3.3 MECHANICAL PROPERTIES (Material as Supplied) (ASTM B 557M) Temper O Gage 1.60 mm Tensile Strength 117 - 165 MPa Yield Strength, min 45 MPa Elongation in 50 mm, min 20% 3.4 GRAIN SIZE (Material as Supplied) 3.5 or finer (ASTM E 112)
