Table 6.3.5.0: (b). Design Mechanical and Physical Properties of Inconel 718

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

Last Updated 29 Oct 2026

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Specification	AMS 5596				AMS 5597	AMS 5589	AMS 5590
Form	Sheet		Plate		Sheet and plate	Tubing
Condition	Solution treated and aged per indicated specification
Thickness, in.	0.010-0.187		0.188-0.249	0.250-1.000	0.010-1.000	O.D. > 0.125 Wall > 0.015
Basis	A	B	S	S	S	S	S
Mechanical Properties^a:
F_tu, ksi:
L	180	192	180			185	170
LT	180^b	191	180	180	180
F_ty, ksi:
L	145	156	148			150	145
LT	147	158	150	150	150
F_cy, ksi:
L	155	167	158
LT	158	170	161
F_su, ksi	124	132	124
F_bru^c, ksi:
(e/D = 1.5)	291	309	291
(e/D = 2.0)	380	403	380
F_bry^c, ksi:
(e/D = 1.5)	208	223	212
(e/D = 2.0)	241	259	246
e, percent (S-basis):
L						12	15
LT	12		12	12	12
E, 10³ ksi	29.4
E_c, 10³ ksi	30.9
G, 10³ ksi	11.4
μ	0.29
Physical Properties:
ω, lb/in.³	0.297
C, K, and α	See Figure 6.3.5.0

a Design allowables were based upon data from samples of material, supplied in the solution treated condition, which were aged to demonstrate heat treatment response by suppliers. Properties obtained by the user may be different, if the material has been formed or otherwise cold worked.
b S-basis. The rounded $\mathrm{T}_{99}$ value is 183 ksi.
c Bearing values are “dry pin” values per Section 1.4.7.1.

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31 January 2003

Specification	AMS 5662 and AMS 5663								AMS 5664
Form	Bar								Forging	Bar
Condition	Solution treated and aged per indicated specification
Thickness, in.	0.250-1.000	1.001-1.500	1.501-2.000	2.001-2.500	2.501-3.000	3.001-4.000	4.001-5.000	≤5.000	≤10.000	≤10.000
Basis	S	S	S	S	S	S	S	S	S	S
Mechanical Properties:
F_tu, ksi:
L	185	185	185	185	185	185	185	185	185	180
LT^a	180	180	180	180	180	180	180	180	180	180
ST^a					180	180	180			180
F_ty, ksi:
L	150	150	150	150	150	150	150	150	150	150
LT^a	150	150	150	150	150	150	150	150	150	150
ST^a					146	150	150			150
F_cy, ksi:
L	156	156	156	156	156	156	156
ST				156	156	156	156
F_su, ksi	111	114	116	118	119	121	123
F_bru, ksi:
(e/D = 1.5)	309	309	309	309	309	309	309
(e/D = 2.0)	394	394	394	394	394	394	394
F_bry, ksi:
(e/D = 1.5)	216	216	216	216	216	216	216
(e/D = 2.0)	257	257	257	257	257	257	257
e, percent:
L	12	12	12	12	12	12	12	12	10	12
LT^b	6	6	6	6	6	6	6	10	10	12
ST^b				6	6	6			10	12
RA, percent:
L	15	15	15	15	15	15	15	15	12	15
LT^b	8	8	8	8	8	8	8	12	12	15
ST^b					8	8	8		12	15
E, 10³ ksi:	29.4
E_c, 10³ ksi:	30.9
G, 10³ ksi	11.4
μ	0.29
Physical Properties:
ω, lb/in.³	0.297
C, K, and α	See Figure 6.3.5.0

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

Last Updated 29 Oct 2026

Hover any section to copy its link or text, ask Copilot about it, or bookmark it.

Specification	AMS 5596				AMS 5597	AMS 5589	AMS 5590
Form	Sheet		Plate		Sheet and plate	Tubing
Condition	Solution treated and aged per indicated specification
Thickness, in.	0.010-0.187		0.188-0.249	0.250-1.000	0.010-1.000	O.D. > 0.125 Wall > 0.015
Basis	A	B	S	S	S	S	S
Mechanical Properties^a:
F_tu, ksi:
L	180	192	180			185	170
LT	180^b	191	180	180	180
F_ty, ksi:
L	145	156	148			150	145
LT	147	158	150	150	150
F_cy, ksi:
L	155	167	158
LT	158	170	161
F_su, ksi	124	132	124
F_bru^c, ksi:
(e/D = 1.5)	291	309	291
(e/D = 2.0)	380	403	380
F_bry^c, ksi:
(e/D = 1.5)	208	223	212
(e/D = 2.0)	241	259	246
e, percent (S-basis):
L						12	15
LT	12		12	12	12
E, 10³ ksi	29.4
E_c, 10³ ksi	30.9
G, 10³ ksi	11.4
μ	0.29
Physical Properties:
ω, lb/in.³	0.297
C, K, and α	See Figure 6.3.5.0

a Design allowables were based upon data from samples of material, supplied in the solution treated condition, which were aged to demonstrate heat treatment response by suppliers. Properties obtained by the user may be different, if the material has been formed or otherwise cold worked.
b S-basis. The rounded $\mathrm{T}_{99}$ value is 183 ksi.
c Bearing values are “dry pin” values per Section 1.4.7.1.

31 January 2003

Specification	AMS 5662 and AMS 5663								AMS 5664
Form	Bar								Forging	Bar
Condition	Solution treated and aged per indicated specification
Thickness, in.	0.250-1.000	1.001-1.500	1.501-2.000	2.001-2.500	2.501-3.000	3.001-4.000	4.001-5.000	≤5.000	≤10.000	≤10.000
Basis	S	S	S	S	S	S	S	S	S	S
Mechanical Properties:
F_tu, ksi:
L	185	185	185	185	185	185	185	185	185	180
LT^a	180	180	180	180	180	180	180	180	180	180
ST^a					180	180	180			180
F_ty, ksi:
L	150	150	150	150	150	150	150	150	150	150
LT^a	150	150	150	150	150	150	150	150	150	150
ST^a					146	150	150			150
F_cy, ksi:
L	156	156	156	156	156	156	156
ST				156	156	156	156
F_su, ksi	111	114	116	118	119	121	123
F_bru, ksi:
(e/D = 1.5)	309	309	309	309	309	309	309
(e/D = 2.0)	394	394	394	394	394	394	394
F_bry, ksi:
(e/D = 1.5)	216	216	216	216	216	216	216
(e/D = 2.0)	257	257	257	257	257	257	257
e, percent:
L	12	12	12	12	12	12	12	12	10	12
LT^b	6	6	6	6	6	6	6	10	10	12
ST^b				6	6	6			10	12
RA, percent:
L	15	15	15	15	15	15	15	15	12	15
LT^b	8	8	8	8	8	8	8	12	12	15
ST^b					8	8	8		12	15
E, 10³ ksi:	29.4
E_c, 10³ ksi:	30.9
G, 10³ ksi	11.4
μ	0.29
Physical Properties:
ω, lb/in.³	0.297
C, K, and α	See Figure 6.3.5.0