1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2003 09 18 Revised Para 3.0 inserted; para 3.1, 3.5 and 4 deleted 1991 03 07 CE00E101092-15 Revised 3.2 & 5 C.C. Gray 1989 10 27 RD885100-278 Released C. F. Carter, CCD, N. Riley EAO Printed copies are uncontrolled Copyright 2003, Ford Global
2、Technologies, Inc. Page 1 of 2 ALUMINUM BRAZING SHEET - TUBE STOCK WSH-M2A145-A WSH-M2A145-A2 1. SCOPE The material defined by these specifications is an aluminum sheet clad with brazing alloy on one side. 2. APPLICATION These materials were released originally for fabrication of core tubes in autom
3、otive radiators. 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 Sec. 5) WSH-M2A145- A/A2 A A2 Core Braze Cl
4、ad Braze Clad Silicon 0.40 max 9.2 - 10.2 9.1 - 10.1 Iron 0.50 max 0.5 max 0.50 max Copper 0.20 - 0.40 0.10 max 0.10 max Magnesium 0.35 - 0.55 1.25 - 1.75 0.10 - 0.30 Manganese 1.00 - 1.25 0.10 max 0.10 max Bismuth - 0.05 - 0.15 - Titanium 0.10 max - - Zinc 0.15 max 0.10 max 0.10 max Each Other Elem
5、ent 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 3.3 BRAZE CLAD THICKNESS 10 +/- 2% of total material thickness specified on Engineering Drawing 3.4 MECHANICAL PROPERTIES (Material as Supplied) (ASTM B 557M) H-24 Temper - Ultimate Tensil
6、e Strength 179 - 227 MPa Yield Strength 144 - 186 MPa Elongation, min 9% Note: These properties apply only to material thicknesses from 0.30 - 0.43 mm. ENGINEERING MATERIAL SPECIFICATIONWSH-M2A145-A/A2Printed copies are uncontrolled Copyright 2003, Ford Global Technologies, Inc. Page 2 of 2 5. GENER
7、AL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of these specifications. 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: WSH-M2A145- A/A2 A A2 Core Braze Clad Braze Clad Silicon 0.04 - 0.08 9.8 9.8 Iron 0.18 - 0.22 - - Copper 0.30 - - Magnesium 0.45 1.5 0.20 Manganese 1.10 - - Bismuth - 0.08 -
