1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2003 07 24 Revised Para 3.0 inserted; Para 3.8 for 3.8 in (9.5 mm) and larger, several conductors shall be used, 18 AWG or smaller. The conductors should fit snugly in the tubing after shrinking. The specimens shall be conditioned for 16 h at
2、175 +/- 3 C. When cooled to room temperature, there shall be no evidence of pitting or blackening of the conductor under the tubing. A slight discoloration (normal oxidation) of the wires is permitted. 3.7 DIELECTRIC STRENGTH, min 500 V/mil (20 kV/mm) (ASTM D 876, short time) ENGINEERING MATERIAL SP
3、ECIFICATIONESF-M3L66-APrinted copies are uncontrolled Copyright 2003, Ford Global Technologies, Inc. Page 3 of 4 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. 5.1 TEMPERATURE RANGE Material is stable
4、 from 55 C to: 135 C continuous 150 C 1000 h 175 C 168 h 200 C 24 h 250 C 4 h 300 C 1 h ENGINEERING MATERIAL SPECIFICATIONESF-M3L66-APrinted copies are uncontrolled Copyright 2003, Ford Global Technologies, Inc. Page 4 of 4 TABLE I Recovered Dimensions - After Free Shrink, Wall Thickness, in. (mm) S
5、ize, in As Received I.D., in (mm) Minimum I.D., in (mm) Maximum Grade “A“ Grade “B“ Minimum Maximum Nominal Minimum Maximum Nominal 0.017 0.023 0.020 0.013 0.019 0.016 3/64 0.046 (1.17) 0.023 (0.58) (0.43) (0.58) (0.51) (0.33) (0.48) (0.41) 0.017 0.023 0.020 0.014 0.020 0.017 1/16 0.063 (1.60) 0.031
6、 (0.79) (0.43) (0.58) (0.51) (0.36) (0.51) (0.43) 0.017 0.023 0.020 0.017 0.023 0.020 3/32 0.093 (2.36) 0.046 (1.17) (0.43) (0.58) (0.51) (0.43) (0.58) (0.51) 0.017 0.023 0.020 0.017 0.023 0.020 1/8 0.125 (3.18) 0.062 (1.57) (0.43) (0.58) (0.51) (0.43) (0.58) (0.51) 0.022 0.028 0.025 0.017 0.023 0.0
7、20 3/16 0.187 (4.75) 0.093 (2.36) (0.56) (0.71) (0.64) (0.43) (0.58) (0.51) 0.022 0.028 0.025 0.022 0.028 0.025 1/4 0.250 (6.35) 0.125 (3.18) (0.56) (0.71) (0.64) (0.56) (0.71) (0.64) 0.027 0.033 0.030 0.022 0.028 0.025 3/8 0.375 (9.53) 0.187 (4.75) (0.69) (0.84) (0.76) (0.56) (0.71) (0.64) 0.027 0.
8、033 0.030 0.022 0.028 0.025 1/2 0.500 (12.70) 0.250 (6.35) (0.69) (0.84) (0.76) (0.56) (0.71) (0.64) Note: Sizes up to 4 are available in Grade “B“. TABLE II Tubing Size, in. Mandrel Diameter, in. (mm) 3/64 1/4 inclusive 5/16 (7.95) 3/8 1/2 inclusive 3/8 (9.53) 3/4 - 2 inclusive 7/16 (11.13) 3 - 4 inclusive 7/8 (22.23)
