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Product Introduction
Typical Chemical Composition
|
Element |
Weight (%) |
|
Titanium (Ti) |
Balance |
|
Aluminum (Al) |
5.50 – 6.75 |
|
Vanadium (V) |
3.50 – 4.50 |
|
Iron (Fe) |
≤ 0.30 |
|
Oxygen (O) |
≤ 0.20 |
|
Carbon (C) |
≤ 0.08 |
|
Nitrogen (N) |
≤ 0.05 |
|
Hydrogen (H) |
≤ 0.015 |
Key Physical Properties
|
Density |
4.43 g/cm³ (4430 kg/m³) |
|
Melting range |
~1650 – 1670 °C |
|
Modulus of elasticity |
~110 GPa |
|
Thermal conductivity |
~6.7 – 7.5 W/(m·K) |
|
Coefficient of thermal expansion |
~8.6 × 10⁻⁶ /°C |
|
Non‑magnetic |
Typical Mechanical Properties (Annealed Condition)
|
Tensile strength |
900 – 1100 MPa (130 – 160 ksi) |
|
Yield strength |
≥ 860 MPa (125 ksi) |
|
Elongation |
≥ 10% |
|
Hardness |
~30 – 34 HRC |
Main Characteristics & Advantages
High strength-to-weight ratio
Much stronger than commercially pure titanium (Grade 1–4) while remaining roughly 40% lighter than steel.
Excellent fatigue and fracture resistance
Widely used in highly stressed structural components subject to cyclic loading.
Good corrosion resistance
Forms a stable protective oxide layer, performing well in marine, chemical, and aerospace environments.
Heat treatable
Can be strengthened through solution treatment and aging (STA) to achieve even higher mechanical properties.
Good fabricability
Forgeable, weldable, and machinable with proper tooling and parameters.
Biocompatible
Meets medical implant standards (ASTM F1108), making it suitable for surgical implants.
Common Specifications
ASTM B348, ASTM B381
ASME SB348, ASME SB381
AMS 4928, AMS 4967
ISO 5832‑3 (medical)
Typical Applications
- Aerospace:airframe structural parts, landing gear components, engine parts, fasteners
- Medical: orthopedic implants, bone screws, prosthetics, surgical devices
- Marine: propellers, shafts, valves, underwater equipment
- Automotive:high-performance racing components, lightweight structural parts
- Industrial: high-strength fasteners, pressure vessels, chemical processing equipment
- Sports equipment: bicycle frames, golf club heads, racing gear
Summary
Grade 5 Ti‑6Al‑4V titanium block is the most versatile and commonly specified titanium alloy. It delivers exceptional mechanical performance combined with low density and corrosion resistance, making it essential for high‑performance applications in aerospace, medical, marine, and advanced engineering fields.
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