← ALL MATERIALS
TITANIUM ALLOY
Ti-6Al-4V (Titanium)
UNS R56400, AMS 4911, Grade 5
Titanium AlloyVery High Cost
DENSITY
4 kg/m³
MELTING POINT
1,604°C
TENSILE STRENGTH
950 MPa
MAX SERVICE TEMP
315°C
Ti-6Al-4V (Titanium) is a titanium alloy used in aerospace applications. Melting point: 1,604 °C. Tensile strength: 950 MPa.
ABOUT TI-6AL-4V (TITANIUM)
Ti-6Al-4V is the most widely used titanium alloy in aerospace, accounting for over 50% of all titanium usage. It combines high strength, low density, excellent corrosion resistance, and good performance at temperatures up to 315°C. SpaceX uses it extensively in Merlin engine components and Falcon 9 grid fins.
CHEMICAL COMPOSITION
Ti 90%, Al 6%, V 4%
ROCKET & SPACECRAFT APPLICATIONS
●Falcon 9 grid fins
●Engine casings
●Compressor blades
●Pressure vessels
●Spacecraft structural frames
MANUFACTURING PROPERTIES
CORROSION RESISTANCE
Excellent
WELDABILITY
Good
MACHINABILITY
Poor
COST RATING
Very High
MECHANICAL PROPERTIES
| DENSITY | 4 kg/m³ |
| TENSILE STRENGTH | 950 MPa |
| YIELD STRENGTH | 880 MPa |
| STRENGTH-TO-WEIGHT | 214447 kN·m/kg |
THERMAL PROPERTIES
| MELTING POINT | 1,604 °C |
| MAX SERVICE TEMPERATURE | 315 °C |
| THERMAL CONDUCTIVITY | 6.7 W/m·K |
| THERMAL EXPANSION | 8.6 µm/m·K |
COMPLETE SPECIFICATIONS
| CATEGORY | Titanium Alloy |
| DESIGNATIONS | UNS R56400, AMS 4911, Grade 5 |
| MANUFACTURER | TIMET / VSMPO-AVISMA |
| DENSITY | 4 kg/m³ |
| TENSILE STRENGTH | 950 MPa |
| YIELD STRENGTH | 880 MPa |
| MELTING POINT | 1,604 °C |
| MAX SERVICE TEMP | 315 °C |
| THERMAL CONDUCTIVITY | 6.7 W/m·K |
| THERMAL EXPANSION | 8.6 µm/m·K |
| CORROSION RESISTANCE | Excellent |
| WELDABILITY | Good |
| MACHINABILITY | Poor |
| COST RATING | Very High |
🔥 RELATED HEAT SHIELDS
🛸 RELATED SPACECRAFT SYSTEMS
