1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2003 07 24 Revised Para 3.0 inserted; Para 3.8 for 3/8 in. 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 175 +/-
2、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 permissible. 3.6 DIELECTRIC STRENGTH 20 kV/mm (ASTM D 876, short time) 3.7 LOW TEMPERATURE BRITTLENESS AT 55 C No fail
3、ure (ASTM D 876, 10 specimens, mandrel size specified in Table I) ENGINEERING MATERIAL SPECIFICATIONESF-M3L65-APrinted copies are uncontrolled Copyright 2003, Ford Global Technologies, Inc. Page 3 of 3 TABLE 1 INSIDE DIAMETERS AND WALL THICKNESSES OF TUBING* Size Color Expanded as supplied I.D. in (
4、mm), Recovered I.D. in (mm), Dimensions After heating total Wall thickness, in (mm) Inner Meltable Wall Thickness in (mm) Mandrel Diameter in (mm) min max min max Nominal Nominal 1/8 Brown 0.125 0.023 0.032 0.044 0.038 0.020 7/16 (3.18) (0.58) (0.81) (1.12) (0.97) (0.51) (11.13) 3/16 Gray 0.187 0.06
5、0 0.037 0.049 0.043 0.025 7/16 (4.75) (1.52) (0.94) (1.24) (1.09) (0.64) (11.13) 1/4 White 0.250 0.080 0.041 0.053 0.047 0.027 7/16 (6.35) (2.03) (1.04) (1.35) (1.19) (0.69) (11.13) 3/8 Red 0.375 0.135 0.043 0.057 0.050 0.030 1/2 (9.53) (3.43) (1.09) (1.45) (1.27) (0.76) (12.70) 1/2 Blue 0.500 0.195
6、 0.048 0.062 0.055 0.035 1/2 (12.70) (4.95) (1.22) (1.57) (1.40) (0.89) (12.70) 3/4 Yellow 0.750 0.313 0.058 0.072 0.065 0.040 1/2 (19.05) (7.95) (1.47) (1.83) (1.65) (1.02) (12.70) 300 Blue 0.300 0.050 0.092 0.108 0.100 0.065 1/2 (7.62) (1.27) (2.34) (2.74) (2.54) (1.65) (12.70) *Special sizes are available and shall meet, except for dimensions and mandrel sizes, all of the requirements of this specification.
