Description
UNS R56400 (Titanium alloy 6Al-4V)
UNS R56400 (Titanium alloy 6Al-4V)
Material grades and equivalents Titanium alloy 6Al-4V /UNS R56400
Chemistry Composition
Element |
Al |
V |
C |
N |
O |
H |
Fe |
Y |
Others,
|
Others,
|
Ti |
MIN |
5.5 |
3.5 |
– |
– |
– |
– |
– |
– |
– |
– |
– |
MAX |
6.75 |
4.5 |
0.08 |
0.05 |
0.2 |
0.0125 |
0.3 |
0.005 |
0.1 |
0.4 |
Balance |
Features:
-
High strength to 600°F
-
Excellent general corrosion resistance
-
High strength-to-weight ratio
Applications:
-
Turbine blades, discs and rings
-
Aircraft structural components
-
Weapons structural components
-
Fasteners
-
Medical and dental implants
-
Hand tools
-
Sporting equipment
-
Chemical process equipment
Physical Properties:
Density: 0.160 lb/inch3
Melting Range: 2929 – 3020°F
Beta Transus: 1825± 25°F
Temperature, °F |
70 |
200 |
400 |
600 |
Coefficient of Thermal Expansion, in/in°F x 10-6 |
- |
5.3 |
5.4 |
5.5 |
Thermal Conductivity,Btu • Ft/Ft² • Hr°F STA |
4.0 |
4.3 |
5.2 |
6.1 |
Modulus of Elasticity,psi X 106 STA |
16.7 |
16.0 |
15.0 |
14.0 |
Mechanical Properties:
Specified, AMS 4911, annealed sheet & plate
|
Anneal 1300°F, Air Cool |
Anneal 1300°F, Solution anneal 1750°F , Age 1000°F |
Ultimate Tensile Strength, ksi |
138-155 |
150-172 |
0.2% Yield Strength, ksi |
128-147 |
137-156 |
Elongation, % |
15-20 |
15-17 |
Reduction of Area, % |
38-51 |
41-46 |
Typical Tensile Strength and Fracture Toughness, Various Heat Treatments for Flat-rolled Products (MCIC-HB-02 1985 reprint)
0.2% Yield Strength, ksi |
Fracture Toughness K1C, ksi √in |
|
Annealed(Continuously Rolled Sheet) |
132 142 (transversea) |
128 140 (transversea) |
Beta Annealed (plate) |
131 |
134 |
Beta STA 1250°F b |
128 |
150 |
Beta STA 1000°F b |
143 |
120 |
STA 1250°Fc |
137 |
105 |
STA 1000°Fc |
159 |
80 |