1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2010 01 06 B4 N-STATUS No replacement named B. Curtiss, NA 2009 07 09 B1/B3 - N-STATUS No Replacement Named B. Curtiss, NA 1991 08 20 Released CE00E10109215010 C. C. GrayPrinted copies are uncontrolled Copyright 2010, Ford Global Technologies,
2、 LLC Page 1 of 3 ALUMINUM SHEET, VACUUM BRAZING NOT TO BE USED FOR NEW DESIGN WSH-M2A112-B1 NOT TO BE USED FOR NEW DESIGN WSH-M2A112-B3 NOT TO BE USED FOR NEW DESIGN WSS-M2A112-B4 1. SCOPE The materials defined by these specifications are aluminum sheet clad with brazing alloy typically on both side
3、s. 2. APPLICATION These materials were released originally for fabrication of plates and supports for air conditioning evaporator assemblies joined by vacuum brazing. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys
4、 Standard Requirements For Production Materials (WSS-M99P1111-A). 3.2 CHEMICAL COMPOSITION % (ASTM E 34) B1 B3 B4 Core Core Core Silicon 0.60 max 0.50 max 0.50 max Iron 0.70 max 0.70 max 0.70 max Copper 0.10 - 0.30 0.30 max 0.23 - 0.36 Magnesium 0.15 - 0.80 0.40 - 0.60 0.39 - 0.51 Manganese 0.10 - 0
5、.80 1.0 - 1.5 0.60 - 0.80 Chromium 0.10 max 0.10 max 0.05 max Nickel 0.05 max - 0.05 max Titanium 0.10 max 0.10 max 0.09 - 0.17 Zinc 0.10 max 0.10 max 0.05 max Zirconium - - 0.05 - 0.15 Each other element 0.05 max 0.05 max 0.05 max Total other elements 0.15 max 0.15 max 0.15 max Aluminum Balance Bal
6、ance Balance ENGINEERING MATERIAL SPECIFICATIONWSH-M2A112-B1/B3 WSS-M2A112-B4 Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 2 of 3 3.3 CHEMICAL COMPOSITION PERCENTAGE - BRAZE CLAD MATERIAL (ASTM E 34) B1 B3/B4 Clad Clad Silicon 9.2 - 10.2 11.5 - 12.5 Iron 0.50 ma
7、x 0.50 max Copper 0.10 max 0.10 max Magnesium 1.25 - 1.75 0.10 - 0.25 Manganese 0.10 max 0.10 max Zinc 0.10 max 0.10 max Bismuth 0.15 max - Each other element 0.05 max 0.05 max Total other elements 0.15 max 0.15 max Aluminum Balance Balance Specific composition limits to meet performance and manufac
8、turing requirements will form part of an agreed Control Plan for individual component geometries and process routes. See para 5.1. 3.4 BRAZE CLAD THICKNESS Material will be clad on both sides of the sheet (unless otherwise specified) at the percentage (shown below) of the total material thickness sp
9、ecified on the engineering drawing. B1 Clad Material B3 Clad Material B4 Clad Material Thickness Thickness Thickness 1.0 mm, 5 - 9% 1.0 mm, 4 - 8% 1.0 mm, 4 - 8% 3.5 MECHANICAL PROPERTIES (Material as supplied) (ASTM B 557M) B1 - Material O-Temper H-120 Temper Ultimate Tensile Strength 93 - 138 MPa
10、117 - 179 MPa Yield Strength, min 36 MPa 83 MPa Elongation, 50 mm, min 19% 6% B3 Material O-Temper H-120 Temper Ultimate Tensile Strength 120 - 155 MPa 117 - 179 MPa Yield Strength, min 45 MPa 83 MPa Elongation, 50 mm, min 20% 6% B4 Material O-Temper H-120 Temper Ultimate Tensile Strength 131 - 159
11、MPa - Yield Strength, min 45 MPa - Elongation, 50 mm, min 19% - ENGINEERING MATERIAL SPECIFICATIONWSH-M2A112-B1/B3 WSS-M2A112-B4 Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 3 of 3 3.6 CORE MATERIAL GRAIN SIZE (ASTM E 112) B1 Material ASTM #3 - #5 B3 Material AS
12、TM #5 - #8 B4 Material ASTM #5 - #8 3.7 MATERIAL CONDITION This material shall be free of any visible staining as from oils, solvents, water, etc. 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of these specifications. 5.1 DESIRED CHEMICAL COMPOSITION, % B1 B3 B4 Core Core Core Silicon, max .15 .30 .30 Magnesium .25 .50 .45 Manganese .20 1.12 .70 Bismuth - - - B1 B3 B4 Clad Clad Clad Silicon 9.80 12.00 12.00 Magnesium 1.50 .17 .17 Manganese - - - Bismuth .08 - -
