Physical Properties
Table 2. Typical physical properties for Ti6Al4V.
|
Property
|
Typical Value
|
|
Density g/cm3 (lb/ cu in)
|
4.42 (0.159)
|
|
Melting Range °C±15°C (°F)
|
1649 (3000)
|
|
Specific Heat J/kg.°C (BTU/lb/°F)
|
560 (0.134)
|
|
Volume Electrical Resistivity ohm.cm (ohm.in)
|
170 (67)
|
|
Thermal Conductivity W/m.K (BTU/ft.h.°F)
|
7.2 (67)
|
|
Mean Co-Efficient of Thermal Expansion 0-100°C /°C (0-212°F /°F)
|
8.6x10-6 (4.8)
|
|
Mean Co-Efficient of Thermal Expansion 0-300°C /°C (0-572°F /°F)
|
9.2x10-6 (5.1)
|
|
Beta Transus °C±15°C (°F)
|
999 (1830)
|
Mechanical Properties
Table 3. Typical mechanical properties for Ti6Al4V.
|
Property
|
Minimum
|
Typical Value
|
|
Tensile Strength MPa (ksi)
|
897 (130)
|
1000 (145)
|
|
0.2% Proof Stress MPa (ksi)
|
828 (120)
|
910 (132)
|
|
Elongation Over 2 Inches %
|
10
|
18
|
|
Reduction in Area %
|
20
|
|
|
Elastic Modulus GPa (Msi)
|
|
114 (17)
|
|
Hardness Rockwell C
|
|
36
|
|
Specified Bend Radius <0.070 in x Thickness
|
|
4.5
|
|
Specified Bend Radius >0.070 in x Thickness
|
|
5.0
|
|
Welded Bend Radius x Thickness
|
6
|
|
|
Charpy, V-Notch Impact J (ft.lbf)
|
|
24 (18)
|
Fabrication
· Weldability – Fair
· Forging – Rough 982°C (1800°F), finish 968°C (1775°F)
· Annealing - 732°C (1350°F), 4hr, FC to 566°C (1050°F), A.C. F.C. not necessary for bars
· Solution Heat Treating – Forgings
· Ageing – 904-954°C (1660-1750°F), 5 min-2hrs, W.Q. 538°C (1000°F), 4hr, A.C.
|
