Specification	AMS 4281
Form	Permanent mold casting
Temper	T6
Location Within Casting	As specified
Basis	S
Mechanical Properties:
Ftu, ksi	27a
Fty, ksi	17a
Fcy, ksi	17
Fsu, ksi	17
Fbrub, ksi:
(e/D = 1.5)	46
(e/D = 2.0)	58
Fbryb, ksi:
(e/D = 1.5)	27
(e/D = 2.0)	32
e, percent	0.4a
E, 103 ksi	10.3
Ec, 103 ksi	10.3
G, 103 ksi	3.8
μ	0.33
Physical Properties:
ω, lb/in.3	0.098
C, Btu/(lb)(°F)	0.23 (at 212°F)
K, Btu/[(hr)(ft2)(°F)/ft]	88 (at 77°F)
α, 10-6 in./in./°F	See Figure 3.9.2.0