Grade 5 titanium tube
The most widely used high strength titanium alloy is grade 5 titanium tube, which is an alpha-beta alloy. The alloy has excellent corrosion resistance in alkaline, chemical, and chloride concentrates in addition to its excellent mechanical strength and low density (4.42 kg/dm3).
Product Introduction
Grade 5 titanium tube (Ti-6Al-4V, TC4) is the most widely used high-strength titanium alloy. It is an α-β alloy combining excellent strength-to-weight ratio, corrosion resistance, and reliable performance in extreme environments such as aerospace, marine, chemical, and industrial systems.
Material
Grade: Gr5 / Ti-6Al-4V / TC4
UNS: R56400
Alloy Type: α-β titanium alloy
Key Properties
High Strength & Low Density
Density: ~4.43 g/cm³
Excellent specific strength (lightweight + high strength)
Ideal replacement for steel and nickel alloys in weight-sensitive systems
Corrosion Resistance
Outstanding resistance in:
Chloride environments (seawater, marine systems)
Alkaline and oxidizing media
Mild reducing acids and chemical processing environments
Many organic acids at low concentration and temperature
Heat Resistance
Continuous service temperature: up to ~400°C
Maintains structural stability under moderate thermal loads
Cryogenic Performance
Excellent toughness at –196°C to –253°C
No brittle fracture in cryogenic environments
Typical Applications
Aerospace structural components
Marine and offshore oil & gas tubing
Chemical and petrochemical systems
Heat exchangers
Industrial piping systems
Cryogenic storage and transport systems
Available Sizes
Type | Outer Diameter (mm) | Wall Thickness (mm) | Length (mm) |
Standard Tube | 20 – 600 | 0.6 – 30 | ≤ 8000 |
Medium Tube | 60 – 108 | 1.5 – 5.0 | ≤ 6000 |
Capillary Tube | 0.8 | 0.06 | ≤ 3000 |
Chemical Composition (Gr5 / Ti-6Al-4V)
Element | Ti | Al | V | Fe | C | N | H | O | Others (each) |
Composition (%) | Balance | 5.5 – 6.75 | 3.5 – 4.5 | ≤ 0.40 | ≤ 0.08 | ≤ 0.05 | ≤ 0.01 | ≤ 0.20 | ≤ 0.40 |
Key Advantages
Lightweight with high mechanical strength
Excellent corrosion resistance in seawater and chemicals
Reliable performance in high and low temperatures
Wide industrial adaptability
Long service life with low maintenance
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