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SAE AIR4923 96th Edition, October 2001
Bolts and Screws, Aerospace Engine - Materials, Procurement Specifications
and Properties
Description / Abstract:
Type:
This SAE Aerospace Information Report (AIR) provides a tabular listing of materials, procurement specifications, and mechanical properties for bolts and screws developed for use on aerospace propulsion systems designed using the U.S. customary system or the SI system.
Purpose:
The list is intended to give a brief overview of the various kinds of SAE aerospace procurement specifications available when developing bolt and screw part standards. Table 1 covers specifications based on the U.S. customary system and Table 2 covers specifications based on the SI system.
Information Covered: Tables 1 and 2 include the following information
a. AMS material specification number
b. Material type (trade designation)
c. Procurement specification number
d. Maximum test temperature
e. Ultimate tensile strength at room temperature, minimum
f. Hardness
g. Ultimate tensile strength at test temperature, minimum
h. Yield strength at room temperature, minimum
i. Yield strength at test temperature, minimum
j. Stress rupture strength at test temperature, minimum 23 h test
k. Fatigue test loads, maximum and minimum
l. Double shear strength at room temperature, minimum
m. Process sequence for rolling thread and working underhead fillet radius
Table 3 provides material density (ρ) values for the bolt materials listed.
This SAE Aerospace Information Report (AIR) provides a tabular listing of materials, procurement specifications, and mechanical properties for bolts and screws developed for use on aerospace propulsion systems designed using the U.S. customary system or the SI system.
Purpose:
The list is intended to give a brief overview of the various kinds of SAE aerospace procurement specifications available when developing bolt and screw part standards. Table 1 covers specifications based on the U.S. customary system and Table 2 covers specifications based on the SI system.
Information Covered: Tables 1 and 2 include the following information
a. AMS material specification number
b. Material type (trade designation)
c. Procurement specification number
d. Maximum test temperature
e. Ultimate tensile strength at room temperature, minimum
f. Hardness
g. Ultimate tensile strength at test temperature, minimum
h. Yield strength at room temperature, minimum
i. Yield strength at test temperature, minimum
j. Stress rupture strength at test temperature, minimum 23 h test
k. Fatigue test loads, maximum and minimum
l. Double shear strength at room temperature, minimum
m. Process sequence for rolling thread and working underhead fillet radius
Table 3 provides material density (ρ) values for the bolt materials listed.
SAE AIR4923 96th Edition, October 2001
Bolts and Screws, Aerospace Engine - Materials, Procurement Specifications
and Properties