Titanium Grade 5

Key Features
  • Entirely heat treatable
  • Good weldability
  • Excellent for structural application
  • Excellent machinability
  • Excellent corrosion resistance
  • Good mechanical strength
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Key Features
  • Entirely heat treatable
  • Good weldability
  • Excellent for structural application
  • Excellent machinability
  • Excellent corrosion resistance
  • Good mechanical strength

Overview

Titanium Grade 5 (titanium-aluminium-vanadium alloy) is among the most widely used alpha-beta titanium alloys, comprising of 50% of total titanium used globally. One of the prominent properties of Titanium Grade 5 is that it is entirely heat treatable, and can be used for temperatures up to 400°C. It combines low density (4.42 kg/dm) with outstanding corrosion resistance and good mechanical strength. Titanium Grade 5 has excellent tensile properties at room temperature and has a good creep resistance up to 300°C. It also exhibits excellent resistance against crack propagation and fatigue. The age-hardening ability of Titanium Grade 5 makes it a perfect choice for various applications, including fasteners and springs. It has a wide range of industrial applications due to its good machinability and weldability.

Chemical Composition

ElementSymbolRange %Nominal %
IronFe0.25
AluminiumAl5.5-6.766.13
CarbonC0.08
VanadiumV3.5-4.54
OxygenO20.2
Hydrogen (For sheet)H20.015
Hydrogen (For billet)H20.01
Hydrogen (For bar)H20.0125

Mechanical Properties

Metric Imperial
PropertyUnitValue
Area in reduction%20
Tensile strength, Ultimatepsi130000-145000
Elastic Moduluspsi1700000
0.2% Proof Stresspsi120000-130000
Elongation over 2 inches%10-18
Hardness Rockwell C36

Physical Properties

MaterialMetric UnitMetric Value
Thermal ConductivityW.m -1.°K-17.2
Volume Electrical ResistivityOhm.cm170
Mean coefficient of Thermal Expansion (0-100°C)°C8.6 × 10-6
Mean coefficient of Thermal Expansion (0-300°C)°C9.6 × 10-6
Densityg/cm34.42
Specific HeatJ.kg-1.°K-1560

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