TITANIUM ALLOY
Ti - 10V - 2Fe - 3Al
ASTM GRADE (UNS NO.)
(UNASSIGNED)
Chemical Composition (wt. %)
(Max. values unless range is shown)
9.0-11.0V; 2.6-3.4Al; 1.6-2.2Fe; 0.13O; 0.05N; 0.05C; 0.015H
TENSILE PROPERTIES
R.T. Min.
Typical Elevated Temp. Prop. (STA)*
(STA)1 (STA)
(STA)2
204°C(400°F)
315°C(600°F)
Ultimate Strength
MPa (ksi)
1193 (173)
1103 (160)
965 (140)
827 (120)
738 (107)
Yield Strength,
0.2% offset
MPa (ksi)
1103 (160)
1000 (145)
896 (130)
724 (105)
600 (87)
Elongation in 51 mm
(2") gage length
(%)
4
6
8
22
22
Reduction in Area -
Bar, Billet & Forging only
(%)
6
10
20
65
63
OTHER MECHANICAL PROPERTIES
1High Strength
2High Toughness

Stress to Rupture
in Time Shown

Stress
MPa (ksi)
620 (90)
69 (10)
Time-Hrs. at Temp. (°C)
170 (370)
2300 (480)
Stress & Time to
Produce Elongation
Shown (creep)
Stress
MPa (ksi)
690 (100)
172 (25)
124 (18)
Time-Hrs. at Temp. (°C)
10 (316)
100 (370)
100 (480)
Creep
(%)
0.26
0.2
0.2
Charpy V-Notch
Impact @ R.T.
Joules
(ft-lbs)
Bend Radius Under 1.78 mm (0.070") thick
1.78 mm (0.070") and over
Welded Bend Radius
Nominal Hardness
32 - 41 HRC
PHYSICAL PROPERTIES
 
Nominal Beta
Transus
°C (°F)
812 (1495)
Coefficient of
Thermal Expansion

10-6/°C
(10-6/°F)
0-100°C (32 -212°F)

9.7 (5.4)

0-315°C (32-600°F)
0-538°C (32-1000°F)
0-648°C (32-1200°F)
0-816°C (32-1500°F)
Density
g/cm3 (lbs/in3)
4.65 (0.168)
Melting
Point,
Approx.
°C (°F)
N/A
Electrical
Resistivity
@ R.T.
10-6 ohm·cm
(10-6 ohm·in)
N/A
Modulus of
Elasticity ­
Tension
GPa (103 ksi)
83 - 110 (12 - 16) STA
Modulus of
Elasticity ­
Torsion
GPa (103 ksi)
41 (6)
Thermal
Conductivity
W/m·°C (BTU/hr·ft·°F)
N/A
Specific
Heat
J/Kg·°C (BTU/lb·°F)
N/A
Weldability
Fair
Industry Specifications
AMS 4986; 4983A; 4984, 4987