Table 6.3.6.0: (b). Design Mechanical and Physical Properties of Inconel X-750

MIL-HDBK-5J, Metallic Materials and Elements for Aerospace Vehicle Structures

Last Updated 29 Oct 2026

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Specification	AMS 5542				AMS 5667
Form	Strip		Sheet	Plate	Bars and forgings
Condition	Annealed and aged				Equalized and aged
Thickness or diameter, in.	≤0.009	≥0.010	0.010-0.187	0.188-4.000	<4.000	4.000-10.000
Basis	S	S	S	S	S	S
Mechanical Properties:
F_tu, ksi:
L	…	…	…	…	165	160
LT	150	155	165	155	…	…
F_ty, ksi:
L	…	…	…	…	105	100
LT	…	…	105	100	…	…
F_cy, ksi:
L	…	…	…	…	105	100
LT	…	…	105	100	…	…
F_su, ksi:	…	…	107	100	102	99
F_bru, ksi:
(e/D = 1.5)	…	…	247	232	247	240
(e/D = 2.0)	…	…	313	294	313	304
F_bry, ksi:
(e/D = 1.5)	…	…	157	150	157	150
(e/D = 2.0)	…	…	189	180	189	180
e, percent:
L	…	…	…	…	20	15
LT	…	15	20	20	…	…
RA, percent:
L	…	…	…	…	25	17
E, 10³ ksi	30.6
E_c, 10³ ksi	30.6
G, 10³ ksi	11.8
µ	0.30
Physical Properties:
ω, lb/in.³				0.298
C, K, and α	See Figure 6.3.6.0

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