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Hastelloy X-Solution treated (annealed) Sheet and plate: MIL-HDBK-5J Design Allowables

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Material class	Heat-Resistant
Alloy / temper / form	Hastelloy X / Solution treated (annealed) / Sheet and plate
Specifications	AMS 5536
Handbook	MIL-HDBK-5J, 31 January 2003, section 6.3.1.0, Table 6.3.1.0(b) (pdf page 22 of the chapter file)
Dimension bands	6
Density	0.297 lb/in3

Design Mechanical and Physical Properties (room temperature)

As printed in the handbook table. Bases: A and B are statistical minimums (99 % and 90 % probability at 95 % confidence), S the specification minimum. Grain directions: L longitudinal, LT long transverse, ST short transverse.

Dimension band		0.000–0.010 in	0.010–0.019 in	0.020–0.100 in		0.101–0.187 in	0.188–2.000 in	2– in
Specification		AMS 5536	AMS 5536	AMS 5536		AMS 5536	AMS 5536	AMS 5536
Basis		S	S	A	B	S	S	S
F_tu, ksi	LT	105	105	102	106	105	100	95
F_ty, ksi	LT	45	45	44	47	45	40	40
e, %	LT	…	29	35	35	35	35	35
E, Msi		29.8	29.8	29.8	29.8	29.8	29.8	29.8
E_c, Msi		29.8	29.8	29.8	29.8	29.8	29.8	29.8
G, Msi		11.3	11.3	11.3	11.3	11.3	11.3	11.3
ν		0.32	0.32	0.32	0.32	0.32	0.32	0.32
ρ, lb/in3		0.297	0.297	0.297	0.297	0.297	0.297	0.297

Effect of Temperature

Percent of the room-temperature value against temperature, digitized from the handbook figures (the shortest exposure of each figure, every 10 °F). Strength curves give the allowable at temperature; "after exposure" curves give the room-temperature property after a soak at that temperature.

Strength allowables at temperature, percent of room temperature

Moduli at temperature

°F	F_tu	F_ty
100	98.6	98.6
200	99.3	95.9
300	97.9	93.6
400	96.4	91.7
500	94.8	89.8
600	93	87.9
700	90.6	86.4
800	87.7	85
1000	80	80
1200	66.6	71.5

Factors in percent of the room-temperature allowable.

Source and Use

U.S. Department of Defense (2003). Metallic Materials and Elements for Aerospace Vehicle Structures. MIL-HDBK-5J, 31 January 2003 (public domain). The values are the handbook's design allowables as extracted from the chapter tables; check the printed table before use in a certified analysis, and note that MIL-HDBK-5J was superseded by MMPDS, whose later editions may differ. No warranty is given.