TITANIUM ALLOY
Ti - 4.5AI - 3V - 2Mo - 2Fe (SP - 700)
ASTM GRADE (UNS NO.)
(UNASSIGNED)
Chemical Composition (wt. %)
(Max. values unless range is shown) 		4.0-5.0AI; 2.5-3.5V; 1.8-2.2Mo; 1.7-2.3Fe; 0.15O; 0.08C; 0.05N; 0.01H; 0.005Y
TENSILE PROPERTIES
Guar.R.T.
Min. (Ann.)
Typical R.T. Properties
(Ann.)
(STA)
Ultimate Strength
MPa (ksi)
(130)
1023 (148)
1295 (188)
Yield Strength,
0.2% offset
MPa (ksi)
(120)
972 (141)
1177 (171)
Elongation in 51 mm
(2") gage length
(%)
10
19
13
Reduction in Area -
Bar, Billet & Forging only
(%)
25
60
30
OTHER MECHANICAL PROPERTIES
 

Stress to Rupture
in Time Shown

Stress
MPa (ksi)
 
Time-Hrs. at Temp. (°C)  
Stress & Time to
Produce Elongation
Shown (creep)
Stress
MPa (ksi)
 
Time-Hrs. at Temp. (°C)  
Creep
(%)
 
Charpy V-Notch
Impact @ R.T.
Joules
(ft-lbs)
14 - 27 (10 - 20) ft. - lbs.
Bend Radius Under 1.78 mm (0.070") thick
4.5 x Thickness
1.78 mm (0.070") and over

5.0 x Thickness
Welded Bend Radius
—
Nominal Hardness
34 HRC
PHYSICAL PROPERTIES
  
Nominal Beta
Transus
°C (°F)
900 (1650)
Coefficient of
Thermal Expansion
10-6/°C
(10-6/°F) 		0-100°C (32 -212°F)

7.7 (4.3)
0-315°C (32-600°F)
—
0-538°C (32-1000°F)
8.5 (4.7)
0-648°C (32-1200°F)
—
0-816°C (32-1500°F)
9.0 (5.0)
Density
g/cm3 (lbs/in3)
4.54 (0.164)
Melting
Point,
Approx.
°C (°F)
1593 (2900)
Electrical
Resistivity
@ R.T.
10-6 ohm·cm
(10-6 ohm·in)
164 965)
Modulus of
Elasticity ­
Tension
GPa (103 ksi)
110 (15.9)
Modulus of
Elasticity ­
Torsion
GPa (103 ksi)
—
Thermal
Conductivity
W/m·°C (BTU/hr·ft·°F)
6.9 (4.0)
Specific
Heat
J/Kg·°C (BTU/lb·°F)
502 (0.12)
Weldability
Good
Industry Specifications
AMS - 4899