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    FORD WSE-M8G244-A2-2012 GASKET STEEL CORE COMPRESSED NON-ASBESTOS NON-CELLULOSE SHEET NBR BINDER TO BE USED WITH FORD WSS-M99P1111-A .pdf

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    FORD WSE-M8G244-A2-2012 GASKET STEEL CORE COMPRESSED NON-ASBESTOS NON-CELLULOSE SHEET NBR BINDER TO BE USED WITH FORD WSS-M99P1111-A .pdf

    1、 ENGINEERING MATERIAL SPECIFICATIONMaterial Name Specification NumberDate Action Changes1997 04 21 Revised Revised para 3.8 - 3.11; Updated J. Spencer1994 09 29 NE01E10127076143 Released E.J. DudaWP 3948-a Page 1 of 4 GASKET, STEEL CORE, COMPRESSED NON-ASBESTOS WSE-M8G244-A2NON-CELLULOSE SHEET NBR B

    2、INDER1. SCOPEThe material defined by this specification consists of a non-asbestosnon-cell ulose sheet with a nitrile rubber binder secured equally on bothsides of a low carbon steel core.2. APPLICATIONThis s pecification was released originally for material used for cylinderhea d gaskets where a ma

    3、terial with moderate flange pressure at hightemperatures is required.3. REQUIREMENTSNote : All tests shall be conducted in accordance with ASTM F 104 Type 7material unless otherwise specified. The requirements of this specificationare va lid for gasket material of 0.7 to 1.6 mm thickness. Test speci

    4、mensare to be selected from finished gaskets when practicable.Prior to testing the materials shall be conditioned in an oven at 100 +/-2 C for 1 h and allowed to cool to 21 - 30 C in a desiccator containinganhydrous calcium chloride.3.1 QUALITY SYSTEM REQUIREMENTSMaterial suppliers and part producer

    5、s must conform to Quality SystemRequirements, QS-9000. Material specification r equirements are to beused fo r initial qualification of materials. A Control Plan forong oing production verification is required. This plan must bereviewed and approved b y the relevant Ford Materials activity and/orFor

    6、 d Supplier Technical Assistance (STA) prior to production partssubmission. Appropriate statistical tools must be used to analyzepr ocess/product data and assure consistent processing of thematerials.Part producers using this material in their products, must use Fordapproved materials and must confo

    7、rm to a process control plan whichhas been approved by STA and/or the relevant Materials Activity.ENGINEERING MATERIAL SPECIFICATIONWSE-M8G244-A2WP 3948-b Page 2 of 4 3.2 INFRARED SPECTROPHOTOMETRY AND/OR THERMAL ANALYSISFord Motor Company, at its option, may conduct infrared and/ortherma l analysis

    8、 of material/parts supplied to this specification.The IR spectra and thermograms established for i nitial approval shallconst itute the reference standard and shall be kept on file at thedesignated material laboratory. All samples sha ll produce IR spectraand thermograms that correspond to the refer

    9、ence standard when testedunder the same conditions.3.3 CONSTRUCTIONConsi sts of a low carbon steel core with a sheet consisting of anitrile rubber binder and non-asbestos reinforcing compounds bondedor clinched to each side of the steel core.3.3.1 Steel CoreLow carbon steel, thickness as specified o

    10、n engineeringdrawing.3.3.2 Non-Asbestos Sheet and Nitrile Rubber BinderThe non-asbestos sheet shall be plied uniformly and bonded orclinched to each side of the steel core to meet therequirements of the application at the thickness specified onthe engineering drawing.3.4 ORIGINAL PROPERTIES3.4.1 Com

    11、pressibility 12 - 24 %(ASTM F 36, Procedure A)3.4.2 Recovery, min 38 %(ASTM F 36, Procedure A)3.5 SEALABILITY, max 22 mL/h(ASTM F 37, 6.9 MPa flange load, 0.101 MPainternal pressure)3.6 CREEP RELAXATION, max 60 %(ASTM F 38, Method B, 22 h at 150 +/- 2 C)3.7 HEAT AGING(ASTM D 573, 22 h at 204 +/- 2 C

    12、)3.7.1 Compressibility, max 15 %(ASTM F 36, Procedure A)3.7.2 Recovery, min 50 %(ASTM F 36, Procedure A)3.7.3 Weight Change, max - 3 to + 3 %ENGINEERING MATERIAL SPECIFICATIONWSE-M8G244-A2WP 3948-b Page 3 of 4 3.8 RESISTANCE TO OIL No. 1(ASTM F 146, 5 h at 150 +/- 2 C)3.8.1 Thickness Change, max + 6

    13、 %3.8.2 Compressibility 12 - 28 %3.9 RESISTANCE TO OIL No. 3(ASTM F 146, 5 h at 150 +/- 2 C)3.9.1 Thickness Change, max + 10 %3.9.2 Compressibility 12 - 31 %3.10 RESISTANCE TO FUEL C + METHANOL(ASTM F 146, 22 h at 23 +/- 2 C, 85 volume %Fuel C + 15 volume % methanol)3.10.1 Thickness Change, max + 24

    14、 %3.10.2 Compressibility 12 - 48 %3.11 RESISTANCE TO COOLANT & WATER (50:50)(ASTM F 146)Test Method: Immerse the sample in engine coolant WSE-M97B44-B anddistilled water (50:50 volume %). Use a suitable distillation flaskand a reflux condenser and reflux for 70 h at boiling temperature.3.11.1 Thickn

    15、ess Change, max + 10 %3.11.2 Compressibility 12 - 28 %3.12 SURFACE ADHESION AND CORROSION(Rate per FLTM BV 123-01)RatingAdhesion Corrosion. Metal Plates 3 1. Aluminum and Aluminum 2 1. Aluminum to Steel 1 1. Steel to SteelTest Method: A 16 mm I D x 38 mm OD test specimen is clamped between2 discs of

    16、 13 mm ID x 50 mm steel plates (max thickness 1.57 mm)backed by 13 mm steel plates. A 13 mm steel bol t is inserted throughthe hole and a nut put on it. Tighten the bolt to 79 Nm. Heat theassembly to 149 +/- 3 C for 5 h. Remove and allow to cool to roomtemperature. Open plates and rate per FLTM BV 1

    17、23-01.ENGINEERING MATERIAL SPECIFICATIONWSE-M8G244-A2WP 3948-b Page 4 of 4 3.13 SUPPLIERS RESPONSIBILITYAll materials supplied to this specification must be equivalent inal l characteristics to the material upon which approval wasoriginally granted.Pri or to making any change in the properties, comp

    18、osition,constr uction, color, processing or labeling of the materialorig inally approved under this specification, whether or not suchchange s affect the materials ability to meet the specificationrequir ements, the Supplier shall notify Purchasing, Toxicology andthe affected Materials Engineering a

    19、ctivity of the proposed changesand obtain the written approval of the Materials Engineeringactivity. Test data, t est samples and a new code identification areto be submitted with the request.Substance restrictions imposed by law, regulations or Ford, apply tothe materials addressed by this document

    20、. The restrictions aredefined in Engineering Material Specification WSS-M99P9999-A1.4. APPROVAL OF MATERIALSMat erials defined by this specification must have prior approval by theresponsible Materials Engineeri ng activity. Suppliers desiring approval ofthe ir materials shall first obtain an expres

    21、sion of interest from theaffec ted Purchasing, Design and Materials Engineering activity. Uponrequest, the supplier shall submit to the affected Materials Engineeringactivity a completed copy of their laboratory test reports, signed by aqualified and authorized repres entative of the test facility,d

    22、emonstratingful l compliance with all the requirements of this specification (testresults, not nominal values), the material designation a nd code number, andtes t specimens for Ford evaluation. Fords engineering approval of amateri al will be based on its performance to this specification and on anassessment of suitability for intended processes and/or applications. Uponapprov al, the material will be added to the Engineering Material ApprovedSource List.


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