FORD WSS-M2A177-A2-2014 ALUMINUM ALLOY EXTRUSION HEAT TREATABLE SEAMLESS HIGH STRENGTH GRAIN SIZE CONTROLLED TO BE USED WITH FORD WSS-M99P1111-A (Shown on FORD WSS-M2A177-A1).pdf
《FORD WSS-M2A177-A2-2014 ALUMINUM ALLOY EXTRUSION HEAT TREATABLE SEAMLESS HIGH STRENGTH GRAIN SIZE CONTROLLED TO BE USED WITH FORD WSS-M99P1111-A (Shown on FORD WSS-M2A177-A1).pdf》由会员分享,可在线阅读,更多相关《FORD WSS-M2A177-A2-2014 ALUMINUM ALLOY EXTRUSION HEAT TREATABLE SEAMLESS HIGH STRENGTH GRAIN SIZE CONTROLLED TO BE USED WITH FORD WSS-M99P1111-A (Shown on FORD WSS-M2A177-A1).pdf(9页珍藏版)》请在麦多课文档分享上搜索。
1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev 04 2014 06 20 Revised See Summary of Revisions C. Mracna, NA 2014 03 06 Editorial See Summary of Revisions C. Mracna, NA 2013 11 06 Released C. Mracna, NA Controlled document at www.MATS Copyright 2014, Ford Global Technologies, LLC Page
2、1 of 7 ALUMINUM ALLOY, EXTRUSION, HEAT TREATABLE, STRUCTURAL, WSS-M2A177-A1 HIGH STRENGTH ALUMINUM ALLOY, EXTRUSION, HEAT TREATABLE, SEAMLESS, WSS-M2A177-A2 HIGH STRENGTH, GRAIN SIZE CONTROLLED ALUMINUM ALLOY, EXTRUSION, HEAT TREATABLE, STRUCTURAL, WSS-M2A177-A3 MODERATE STRENGTH AND FORMABILITY ALU
3、MINUM ALLOY, EXTRUSION, HEAT TREATABLE, SEAMLESS, WSS-M2A177-A4 MODERATE STRENGTH AND FORMABILITY, GRAIN SIZE CONTROLLED ALUMINUM ALLOY, EXTRUSION, HEAT TREATABLE, STRUCTURAL, WSS-M2A177-A5 ENERGY ABSORBSION 1. SCOPE The materials defined by these specifications are for 6000 series, heat treatable e
4、xtruded aluminum tubes and profiles. Ford Motor Company may, at its option and in agreement with the local or regional supplier, define additional and/or restricted technical delivery requirements such as mechanical properties, forming characteristics, pretreatment, and/or surface texture, for a spe
5、cific grade and/or part. The defined requirements shall be mandatory and no characteristics shall conflict with these engineering specifications. 2. APPLICATION These Global specifications were released originally for extruded aluminum tubes for structural applications. The manufacturing processes u
6、sed to form these aluminum tubes include but are not limited to rotary bending, push roll bending, stretch bending, stamping, hydroforming, piercing, laser trimming, and machine trimming. The alloys defined in this specification are not susceptible to intergranular corrosion or stress corrosion crac
7、king. 2.1 LIMITATIONS The yield strength of the material in the part after the artificial aging heat treatment and / or paint baking process is a function of the amount of forming deformation and the time-temperature profile during the paint baking process. The mechanical property values shown in Ta
8、ble 2 apply only to the listed condition; individual parts will have different properties, depending on specific processing in the vehicle manufacturing plants. 2.2 DEFINITIONS Variant A1 is a structural, multi-hollow extruded tube alloy typically applied to Class 3 non-visible parts where high stre
9、ngth and modest ductility are required. For high strength, these alloys must be artificially aged (e.g. T6) for parts requiring functional performance characterized by controlled in-service deformation. ENGINEERING MATERIAL SPECIFICATION WSS-M2A177-A1/A2/A3/A4/A5 Copyright 2014, Ford Global Technolo
10、gies, LLC Page 2 of 9 Variant A2 is a seamless extruded tube alloy typically applied to Class 3 non-visible parts where high strength and modest ductility are required. For high strength, these alloys must be artificially aged (e.g. T6) for parts requiring functional performance characterized by con
11、trolled in-service deformation. Variant A3 is a general structural, multi-hollow extruded tube alloy suitable for Class 3 parts where moderate strength and modest formability are required. Variant A4 is a general seamless extruded tube alloy suitable for Class 3 parts where moderate strength and mod
12、est formability are required. Variant A5 is a general structural, multi-hollow extruded tube alloy suitable to Class 3 parts where energy absorption and/ or controlled in-service deformation behavior are desired. 3. REQUIREMENTS 3.1 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers a
13、nd part producers must conform to the Companys Standard Requirements for Production Materials (WSS-M99P1111-A). Material suppliers and part producers must conform to the Companys Quality System Requirements. In order for materials to comply with the requirements of the material specification they sh
14、all be sourced from suppliers listed in the Ford Motor Company Approved Source List, ASL (See also paragraph 4.2). 3.2 CHEMICAL COMPOSITION AND MICROSTRUCTURE (ASTM E34, ASTM E716, ASTM E1251) 3.2.1 Chemical Composition The upper and lower limits of chemical composition of the controlled elements sh
15、all be established by the supplier by any of the listed methods and included in the Suppliers Control Plan. In case of dispute, the referee method shall be ASTM E34. The tabulated upper and lower limits of chemical composition for each variant may not agree with those listed in the Aluminum Associat
16、ion “Teal Sheets.“ The values in Table 1 take precedence. Check analyses of extruded tubes shall be provided as part of the initial material source approval process in a format suitable for upload into the Ford Material Database. Table 1: Chemical Composition (weight percent maximum, unless shown as
17、 a range or a minimum; balance Al) A1 A2 A3/A4 A5 Si 0.70 - 1.30 0.70 - 1.30 0.40 - 0.80 0.20 - 0.60 Fe 0.5 0.5 0.70 0.35 Cu 0.10 0.10 0.40 0.10 Mn 0.40 1.00 0.10 0.60 0.15 0.10 Mg 0.60 - 1.20 0.60 - 1.20 0.80 - 1.20 0.45 - 0.90 Cr 0.25 0.25 0.35 0.10 Zn 0.20 0.20 0.25 0.10 Ti 0.10 0.10 0.15 0.10 Ot
18、hers (each) 0.05 0.05 0.05 0.05 Others (total) 0.15 0.15 0.15 0.15 ENGINEERING MATERIAL SPECIFICATION WSS-M2A177-A1/A2/A3/A4/A5 Copyright 2014, Ford Global Technologies, LLC Page 3 of 9 3.2.2 Average Grain Size, (ASTM E112, Comparison Procedure) WSS-M2A177-A2 Report Only WSS-M2A177-A4 Report Only 3.
19、3 MECHANICAL PROPERTIES (ASTM B557M, 50 mm gauge length; ASTM E517) Mechanical properties are valid in the longitudinal direction parallel to extrusion direction, except as noted. Certification of ongoing production material shall be in accordance with regional and/or local requirements. In cases of
20、 dispute, test data obtained from supplier retained samples that have been stored under environmentally controlled conditions will serve as the arbitrator. The samples shall be tested at a third party laboratory. Mechanical properties shall be valid for a period of between seven (7) and sixty seven
21、(67) days following solution heat treatment unless otherwise noted. For the determination of mechanical properties, the material cross sectional area shall be defined as that of the aluminium alloy; contribution of any surface treatments to the calculated cross-sectional area used for stress calcula
22、tions is neglected. The test specimen geometry is to be established locally to certify ongoing production material. Yield Strength is defined as 0.2% proof stress. Yield Strength (T81 therefore, the billet change scrap (start/change/end) is not useable. Start and end scrap length to be developed bas
23、ed on the installed equipment. Guidelines for usable material and scrap subject to control plan. ENGINEERING MATERIAL SPECIFICATION WSS-M2A177-A1/A2/A3/A4/A5 Copyright 2014, Ford Global Technologies, LLC Page 6 of 9 3.6.1.2 Longitudinal Welds Longitudinal weld-line integrity shall be assessed per FL
24、TM BB 116-01. Samples are to be taken from the front of beam after the prescribed scrap is removed. Actual sampling plan shall be established with Ford materials engineering and based on PFMEA and control plan. 3.7 SURFACE APPEARANCE, CONDITION, AND SURFACE ROUGHNESS 3.7.1 Surface Classification All
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