1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2009 08 12 N-STATUS No Replacement Named C. Mracna, NA 2004 07 13 Revised Para 3.0 inserted; para 3.11 & 4 deleted 1965 02 09 Released 6E3-75 Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 1 of 2 HOSE, RUBBE
2、R-OZONE RESISTANT COVER ESE-M2D147-A NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is an oil and fuel resistant reinforced hose. 2. APPLICATION This specification was released originally for material used in emission systems. 3. REQUIREMENTS 3.0 STANDARD REQUIREME
3、NTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.1 CONSTRUCTION Shall be constructed of a high temperature, oil resistant, synthetic rubber tube. The tube shall be covered with fabric br
4、aid plus a heat and ozone resistant chloroprene cover. 3.2 ORIGINAL PROPERTIES Tube Cover Tensile Strength, psi (MPa), min 1200 (8.3) 1000 (6.9) (ASTM D 412) Elongation, % min 300 200 Hardness, Durometer “A“ 60 - 75 (ASTM D 2240) 3.3 HEAT AGING (ASTM D 865, 70 h, 135 C for tube, 100 C for cover) Tub
5、e Cover Tensile Strength Change, % max -20 -20 Elongation Change, % max -50 -50 Hardness, Durometer “A“ Change, max +15 ENGINEERING MATERIAL SPECIFICATIONESE-M2D147-A Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 2 of 2 3.4 IMMERSION IN ASTM No. 3 Oil, Tube Only
6、ASTM D 471, 70 h at 149 C) Volume Change -5 to +25% Tensile Strength, Change, max -40% Elongation Change, max -40% 3.5 ADHESION, min 6 lb/in (1.1 kN/m) (ASTM D 413) 3.6 OZONE RATING-COVER Must meet ESB-M9P1-A (FLTM BP 101-01) 3.7 COLD FLEXIBILITY To meet requirements of SAE 30 R1, except use 34 C a
7、fter oil aging (para 3.4). 3.8 VACUUM COLLAPSE Tubes up to and including 5/8 in Nominal I.D. The collapse of the outside diameter of the hose under internal vacuum of 26 in Hg (88 kPa) for 5 min shall not exceed 1/16 in (1.6 mm). Tubes Greater than 5/8 in Nominal I.D. (SAE 30 R 1) The collapse of th
8、e outside diameter of a 3 ft (0.91 m) long hose under internal vacuum of 10 in Hg (34 kPa) for 15, but not over 30 s shall not exceed 20%. 3.9 BURST STRENGTH, min 175 psi (ASTM D 571) (1.2 MPa) 3.10 BEND TEST (SAE 40 R 3L for straight length) Specimen Length Maximum Collapse I.D. in in (mm) of O.D., in (mm) 9/32 9 (225) 3/16 (4.8) 11/32 11 (275) 13/64 (5.2) 15/32 14 (350) 17/64 (6.7) 5/8 20 (500) 9/32 (7.1) 3/4 26 (650) 9/32 (7.1) 7/8 32 (800) 9/32 (7.1) 1.00 36 (900) 9/32 (7.1)
