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Ti-8Al-1Mo-1V-Duplex Annealed Sheet: MIL-HDBK-5J Design Allowables

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Material class	Titanium
Alloy / temper / form	Ti-8Al-1Mo-1V / Duplex Annealed / Sheet
Specifications	AMS 4916, AMS-T-9046, and Comp. A-4
Handbook	MIL-HDBK-5J, 31 January 2003, section 5.3.2.0, Table 5.3.2.0(b) (pdf page 30 of the chapter file)
Dimension bands	2
Density	0.158 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		0.015–0.024 in	0.025–0.188 in
Specification		AMS 4916, AMS-T-9046, and Comp. A-4	AMS 4916, AMS-T-9046, and Comp. A-4
Basis		S	S
F_tu, ksi	L	135	135
F_tu, ksi	LT	135	135
F_ty, ksi	L	120	120
F_ty, ksi	LT	120	120
F_cy, ksi	L	126	126
F_cy, ksi	LT	126	126
F_su, ksi	L	84	84
F_su, ksi	LT	84	84
F_bru (e/D = 1.5), ksi	L	223	223
F_bru (e/D = 1.5), ksi	LT	223	223
F_bru (e/D = 2.0), ksi	L	269	269
F_bru (e/D = 2.0), ksi	LT	269	269
F_bry (e/D = 1.5), ksi	L	174	174
F_bry (e/D = 1.5), ksi	LT	174	174
F_bry (e/D = 2.0), ksi	L	191	191
F_bry (e/D = 2.0), ksi	LT	191	191
e, %	L	8	10
e, %	LT	8	10
E, Msi		17.5	17.5
E_c, Msi		18	18
G, Msi		6.7	6.7
ν		0.32	0.32
ρ, lb/in3		0.158	0.158

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	115.3	115.3
0	106.9	106.9
100	98	98
200	91.7	88.1
300	86.3	79.6
400	82	72.6
500	78.1	68
600	74.5	63.4

Factors in percent of the room-temperature allowable.

Other Ti-8Al-1Mo-1V Tables

Ti-8Al-1Mo-1V-Duplex annealed Bar (Table 5.3.2.0(c))
Ti-8Al-1Mo-1V-Duplex Annealed Plate (Table 5.3.2.0(b))
Ti-8Al-1Mo-1V-Single Annealed Plate (Table 5.3.2.0(b))
Ti-8Al-1Mo-1V-Single Annealed Sheet (Table 5.3.2.0(b))
Ti-8Al-1Mo-1V-Solution treated and stabilized Forging (Table 5.3.2.0(c))

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.