1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev 03 2012 05 07 N Status No usage or replacement named N. Benipal, NA 2006 11 02 Revised Inactivated and removed ESE-M8G173-A4 and A6 no replacement named; Inserted 3.0; Deleted 3.1, 3.7, 3.8 & 4 R. Lord 1984 06 07 Released CE3P-RD863100-E1
2、21 Controlled document at www.MATS Copyright 2012, Ford Global Technologies, LLC Page 1 of 3 GASKET, CELLULOSE - NITRILE RUBBER AND ESE-M8G173-A1 ANTISTICK COATED - LOW COMPRESSIBILITY GASKET, CELLULOSE - NITRILE RUBBER AND ESE-M8G173-A2 ANTISTICK COATED - MEDIUM COMPRESSIBILITY GASKET, CELLULOSE -
3、NITRILE RUBBER AND ESE-M8G173-A3 ANTISTICK COATED - HIGH COMPRESSIBILITY GASKET, CELLULOSE - NITRILE RUBBER COATED - ESE-M8G173-A5 MEDIUM COMPRESSIBILITY NOT TO BE USED FOR NEW DESIGN 1. SCOPE The materials defined by these specifications consist of cellulose fibers bonded with synthetic rubber and
4、coated with a film of nitrile rubber. The rubber is added to the base material to compensate for very small defects in the flange surfaces such as nicks and scratches. The coating must be unbroken and continuous. 2. APPLICATION These specifications were released originally for materials used in gask
5、ets to seal coolants, oils and fuels where low, medium, and high flange loads are encountered. ESE-M8G173-A1: Is a high tensile, high density, low compressing, good recovery material where heavy duty flange application with high bolt pressures and good torque retention is needed. An anti-stick coati
6、ng is added to the gasket to prevent blocking. ESE-M8G173-A2: Is an all purpose, gasket that seals most fluids at medium bolt pressure with good torque retention. An anti-stick coating is added to the gasket to prevent blocking. ESE-M8G173-A3: Provides good sealing with light and irregular flanges u
7、nder minimal loading. Fair torque retention. An anti-stick coating is added to the gasket to prevent blocking. ESE-M8G173-A5: Is an all purpose gasket that seals most fluids at medium bolt pressure with good torque retention. Gasket contains no anti-stick. 3. REQUIREMENTS Material specification requ
8、irements are to be used for initial qualification of materials. All tests shall be conducted in accordance with ASTM F 104 Type 3 material unless otherwise specified. Test specimens are to be selected from finished gaskets when practicable. Properties of very thick or very thin gaskets may vary slig
9、htly from indicated limits. ENGINEERING MATERIAL SPECIFICATION ESE-M8G173-A1/A2/A3/A5 Copyright 2012, Ford Global Technologies, LLC Page 2 of 3 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production M
10、aterials (WSS-M99P1111-A). A1 A2 & A5 A3 3.2 ORIGINAL PROPERTIES (Medium thickness 0.8 mm) 3.2.1 Tensile Strength, MPa, min 21 16 5 3.2.2 Compressibility, % 8 to 20 15 to 25 28 to 45 3.2.3 Recovery, %, min 60 48 30 3.2.4 Rubber Coating Thickness, 0.0191 to 0.0191 to 0.0127 to each side, mm 0.0445 0.
11、0445 0.0381 3.3 HEAT AGING (Medium thickness 0.8 mm, 22 h at 121 +/- 3 C) 3.3.1 Weight Change, %, max -6 -10 -8 3.3.2 Compressibility, % 7 to 19 11 to 23 20 to 35 3.3.3 Recovery, %, min 65 60 50 Test Method: Place 3 weight change samples 25 x 50 mm x sample thickness and 3 tensile change 13 x 100 mm
12、 x sample thickness of any sample size which is practicable between 100 x 125 x 13 mm steel plates. Place in furnace set at 121 +/- 3 C for 22 h. 3.4 IMMERSION IN LIQUIDS (Only thicknesses of 0.8 mm thru 1.6 mm apply) ASTM #1 Oil (5 h at 150 +/- 3 C) Weight Change, % 0 to + 24 0 to + 48 0 to + 75 Th
13、ickness Change, % - 5 to + 5 0 to + 12 0 to + 35 Tensile Strength Change, %, max -28 -70 -65 ASTM #3 Oil (5 h at 150 +/- 3 C) Weight Change, % 0 to + 30 0 to + 55 0 to + 105 Thickness Change, % 0 to + 10 0 to + 20 0 to + 50 Tensile Strength Change, %, max -35 -68 -90 ENGINEERING MATERIAL SPECIFICATI
14、ON ESE-M8G173-A1/A2/A3/A5 Copyright 2012, Ford Global Technologies, LLC Page 3 of 3 A1 A2 & A5 A3 ASTM Fuel “C“ (5 h at 23 +/- 2 C) Weight Change, % 0 to + 45 0 to + 55 0 to + 100 Thickness Change, % 0 to + 28 0 to + 28 0 to + 60 Tensile Strength Change, %, max -68 -65 -92 ASTM Fuel “C“ 80% and Etha
15、nol 20% (5 h at 23 +/- 2 C) Weight Change, % 0 to + 62 0 to + 70 0 to + 125 Thickness Change, % 0 to + 50 0 to + 40 0 to + 60 Tensile Strength Change, %, max -88 -82 - ESE-M97B44-A Coolant and Water 50/50 (24 h at boiling) Weight Change, % 0 to +72 0 to +95 0 to +130 Thickness Change, % 0 to +40 0 t
16、o +40 0 to +35 Tensile Strength Change, % -90 max -85 - 3.5 DENSITY, kg/m3, min 930 850 575 SEALABILITY, mL/h, max 2 2 1 (ASTM F 37, 10.35 MPa Flange Load, 380 mm Fluid Pressure Fuel A) 3.6 SURFACE COATING May adhere to all surfaces but shall be pried off without tearing. Metal Plates Aluminum to Al
17、uminum Aluminum to Steel Steel to Steel Test Method: A 15.9 mm I.D. x 38.1 mm O.D. test specimen is clamped between 2 discs of 13.5 mm I.D. x 51 mm O.D. metal plates (maximum thickness 1.57 mm) backed by 12.7 mm steel plates. A 12.7 mm steel bolt is inserted through the hole and a nut put on it. Tighten the bolt to 79 N.m. Heat the assembly to 121 +/- 3 C for 5 h. Remove and allow to cool to room temperature. The specimen shall come off the metal plates without tearing and the metal plates must show no evidence of corrosion.
