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Ti-6Al-4V-Alpha-beta processed, annealed Die forging: MIL-HDBK-5J Design Allowables

Material classTitanium
Alloy / temper / formTi-6Al-4V / Alpha-beta processed, annealed / Die forging
SpecificationsAMS 4928
HandbookMIL-HDBK-5J, 31 January 2003, section 5.4.1.0, Table 5.4.1.0(f) (pdf page 58 of the chapter file)
Dimension bands3
Density0.16 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 band0–2 in2.001–4.000 in4.001–6.000 in
SpecificationAMS 4928AMS 4928AMS 4928
BasisSSS
Ftu, ksiL135130130
LT135130130
ST…130130
Fty, ksiL125120120
LT125120120
ST…120120
Fcy, ksiL…123123
LT…128128
ST………
Fsu, ksiL…7979
LT…7979
ST…7979
Fbru (e/D = 1.5), ksiL…203203
LT…203203
ST…203203
Fbru (e/D = 2.0), ksiL…257257
LT…257257
ST…257257
Fbry (e/D = 1.5), ksiL…171171
LT…171171
ST…171171
Fbry (e/D = 2.0), ksiL…201201
LT…201201
ST…201201
e, %L101010
LT101010
ST…108
E, Msi16.916.916.9
Ec, Msi17.217.217.2
G, Msi6.56.56.5
ν0.310.310.31
ρ, lb/in30.160.160.16

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

Elongation and exposure effects

°FF_tuF_tyF_cyF_suF_bruF_bry
-300150.5156.4
-200133135
-100118.1118.8
0107.5107.6
10098.298.197.497.497.797.7
20090.988.786.79090.287.6
30084.379.477.282.783.278.9
40078.171.169.877.177.771.6
50073.665.26573.173.566
60071.66362.170.971.963.7
70069.66160.268.371.262.1
80066.558.157.965.569.459.8

Factors in percent of the room-temperature allowable.

Other Ti-6Al-4V Tables

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from the chapter tables; check the printed table before use in a certified analysis, and note that MIL-HDBK-5J was superseded by MMPDS, whose later editions may differ.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.