Titanium Alloy Grade 5 Explained
Titanium Grade 5 (Ti-6Al-4V) is the most widely used titanium alloy, engineered for exceptional mechanical strength, superior fatigue resistance, and outstanding performance under high stress and elevated temperatures. Alloyed with aluminium and vanadium, Grade 5 delivers an unmatched strength-to-weight ratio, excellent toughness, and remarkable stability, making it the preferred material for aerospace structures, medical implants, turbine components, offshore equipment, and high-performance engineering applications. Its ability to maintain structural integrity under extreme conditions, combined with good corrosion resistance and high-temperature capability, makes Ti-6Al-4V an industry-standard material for mission-critical components. Known for its durability, precision machining compatibility, and long service life, Titanium Grade 5 remains the benchmark titanium alloy across advanced industrial sectors.
TITANIUM GR 5 SHEETS AND PLATES EQUIVALENT GRADES
| Common Name | UNS | Werkstoff Nr. |
|---|---|---|
| Titanium GR5 | R56400 | 3.7165 |
SPECIFICATION OF TITANIUM GR 5 SHEETS AND PLATES
| Standard | ASTM B265 / ASME SB265 |
|---|---|
| Dimension Standard | JIS, AISI, ASTM, GB, DIN, EN, etc |
| Width | 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, etc |
| Length | 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc |
| Thickness | 0.3 mm to 120 mm |
| Form | Coils, Foils, Rolls, Plain Sheet, Shim Sheet, Perforated Sheet, Chequered Plate, Strip, Flats, Blank (Circle), Ring (Flange) etc. |
| Surface Finishing | Hot rolled plate (HR), Cold rolled sheet (CR), 2B, 2D, BA, NO.1, NO.4, NO.8, 8K, mirror, Chequered, embossed, hair line, sand blast, Brush, etching, SATIN (Met with Plastic Coated) etc. |
CHEMICAL COMPOSITION OF TITANIUM GR 5 SHEETS AND PLATES
| Al | Fe | O | Ti | V |
|---|---|---|---|---|
| 6 | 0.25 | 0.2 | 90 | 4 |
MECHANICAL PROPERTIES OF TITANIUM GR 5 SHEETS AND PLATES
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2% Offset) | Elongation |
|---|---|---|---|---|---|
| Titanium Gr. 5 | 4.43 g/cm3 | 1632 °C (2970 °F) | Psi – 138000 , MPa – 950 | Psi – 128000 , MPa – 880 | 14 % |
💡 Practical Difference in Use
Use Titanium Grade 1 when: maximum corrosion resistance, excellent ductility, and superior formability are required for chemical, marine, and low-pressure applications.
→ Example: heat exchangers, chlorine processing, desalination systems, chemical tanks, and marine components.
Use Titanium Grade 2 when: moderate strength, outstanding corrosion resistance, and high weldability are needed for industrial, marine, and aerospace applications.
→ Example: pressure vessels, industrial piping, condensers, aircraft parts, and chemical processing equipment.
Use Titanium Grade 5 (Ti-6Al-4V) when: high strength, excellent fatigue resistance, and superior performance under elevated temperatures are required.
→ Example: aerospace frames, turbine components, medical implants, offshore equipment, and high-stress structural parts.
Use Titanium Grade 9 (Ti-3Al-2.5V) when: higher strength than CP titanium with better formability than Grade 5 is needed, especially for tubes and structural components.
→ Example: hydraulic tubing, aircraft fuel lines, sports equipment, marine hardware, and heat exchanger tubing.
When to Choose Titanium Grade 5?
Titanium Grade 5 (Ti-6Al-4V) is selected where very high strength, excellent corrosion resistance, and lightweight performance are required in demanding structural applications.
Choose Titanium Grade 5 when:
- Very high strength-to-weight ratio is required
- Service involves elevated temperatures and cyclic loading
- Excellent fatigue resistance and structural stability are critical
- Weight reduction is essential without sacrificing performance
- Used in aerospace, defense, and high-performance engineering sectors
- Good corrosion resistance with superior mechanical properties is needed
Industries That Use Titanium Grade 5 Sheets and Plates
Titanium Grade 5 sheets and plates are widely used in high-performance industries requiring superior strength, fatigue resistance, and lightweight structural capability.
Primary application due to exceptional strength and low weight.
Uses
Aircraft structural components, engine parts, fasteners.
Why Titanium Grade 5?
Outstanding strength-to-weight ratio and fatigue resistance.
Used in critical defense and armor applications.
Uses
Armor plating, weapon systems, military aircraft components.
Why Titanium Grade 5?
High ballistic resistance with reduced structural weight.
Used in high-pressure and deep-sea environments.
Uses
Subsea components, downhole tools, heat exchangers.
Why Titanium Grade 5?
Excellent strength and corrosion resistance at depth.
Used in load-bearing biomedical applications.
Uses
Bone plates, joint implants, surgical instruments.
Why Titanium Grade 5?
High strength, excellent biocompatibility, and fatigue resistance.
Used in high-performance and lightweight vehicle systems.
Uses
Exhaust systems, suspension parts, engine components.
Why Titanium Grade 5?
Delivers extreme strength with significant weight savings.
Used in high-stress power equipment.
Uses
Turbine blades, structural supports, high-pressure heat exchangers.
Why Titanium Grade 5?
Exceptional mechanical stability at elevated temperatures.
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