1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2005 01 19 Revised Inserted 3.0, Deleted 3.8, 4 1998 04 29 Revised para 5 N. Kurtycz 1991 08 20 Released CE00E10109215010 C. C. Gray Printed copies are uncontrolled Copyright 2005, Ford Global Technologies, LLC Page 1 of 3 ALUMINUM SHEET, VACU
2、UM BRAZING WSH-M2A112-B1 WSH-M2A112-B3 WSS-M2A112-B4 1. SCOPE The materials defined by these specifications are aluminum sheet clad with brazing alloy typically on both sides. 2. APPLICATION These materials were released originally for fabrication of plates and supports for air conditioning evaporat
3、or assemblies joined by vacuum brazing. 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 % (ASTM E 34) B1 B3 B4 Core Core Cor
4、e 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 - 0.80 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
5、 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 Balance Balance ENGINEERING MATERIAL SPECIFICATIONWSH-M2A112-B1/B3WSS-M2A112-B4Printed copies are uncontrolled Copyright 2005, For
6、d 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 max 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
7、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 manufacturing requirements will form part of an agreed Control Plan for individual component geometries and process routes. See para 5.1
8、. 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 specified on the engineering drawing. B1 Clad Material B3 Clad Material B4 Clad Material Thickness Thickness Thickness 1.0 mm, 5 -
9、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 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
10、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 MPa - Yield Strength, min 45 MPa - Elongation, 50 mm, min 19% - ENGINEERING MATERIAL SPECIFICATIONWSH-M2A112-B1/B3WSS-M2A112-B4Pr
11、inted copies are uncontrolled Copyright 2005, Ford Global Technologies, LLC Page 3 of 3 3.6 CORE MATERIAL GRAIN SIZE (ASTM E 112) B1 Material ASTM #3 - #5 B3 Material ASTM #5 - #8 B4 Material ASTM #5 - #8 3.7 MATERIAL CONDITION This material shall be free of any visible staining as from oils, solven
12、ts, 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 - -
