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Titanium Grade 5 | Ti-6Al-4V | Titanium Supplier Singapore | astm b348 | 3.7164 | UNS R56400

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Titanium Grade 5, also known as Ti6Al4V, Ti-6Al-4V or Ti 6-4, it is one of the most popular alloys in the titanium industry and accounts for almost half of the titanium used in the world today. Commonly referred to as Ti-6AL-4V (or Ti 6-4), this designation refers to its chemical composition of almost 90% titanium, 6% aluminum, 4% vanadium, 0.25% (max) iron and 0.2% (max) oxygen

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Grade 5 Titanium is the workhorse of all the titanium grades. Among all the titanium grades, the most commonly used titanium alloy is the Grade 5 titanium alloy (also known as Ti6Al4V, Ti-6Al-4V or Ti 6-4), it is formed with mixing pure titanium with 6% aluminium and 4% vanadium.

Its high strength, lightweight and corrosion resistance enable Titanium Grade 5 to be used in many applications. The most common market is aerospace, medical, marine and chemical processing industries. The alloy is also “age hardenable” by heat treatment to achieve even higher strengths.

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Ti 6AL-4V / Titanium Grade 5 is the best alloy for use in the creation of such things :

- Aircraft turbines

- Engine components

- Aircraft structural components

- Aerospace fasteners

- High-performance automatic parts

- Marine applications

- Sports equipment

Ti-6Al-4V

CategoryTitanium Alloy
ClassWrought
TypeAlpha-beta alloy
DesignationsUnited States: ASTM B265 Grade5, ASTM B348 Grade5, ASTM B381 Grade5, MIL-T-9046, MIL-T-9047, AMS 4928, AMS 4911, AMS 4906, AMS 4965

PropertyTypical Value
Density g/cm3 (lb/ cu in)4.42 (0.159)
Melting Range °C±15°C (°F)1649 (3000)
Specific Heat J/kg.°C (BTU/lb/°F)560 (0.134)
Volume Electrical Resistivity ohm.cm (ohm.in)170 (67)
Thermal Conductivity W/m.K (BTU/ft.h.°F)7.2 (67)
Mean Co-Efficient of Thermal Expansion 0-100°C /°C (0-212°F /°F)8.6×10-6 (4.8)
Mean Co-Efficient of Thermal Expansion 0-300°C /°C (0-572°F /°F)9.2×10-6 (5.1)
Beta Transus °C±15°C (°F)999 (1830)

Table 2. Typical physical properties for Ti6Al4V
Mechanical Properties

PropertyMinimumTypical Value
Tensile Strength MPa (ksi)897 (130)1000 (145)
0.2% Proof Stress MPa (ksi)828 (120)910 (132)
Elongation Over 2 Inches %1018
Reduction in Area %20
Elastic Modulus GPa (Msi)114 (17)
Hardness Rockwell C36
Specified Bend Radius 4.5
Specified Bend Radius >0.070 in x Thickness5.0
Welded Bend Radius x Thickness6
Charpy, V-Notch Impact J (ft.lbf)24 (18)

Table 3. Typical mechanical properties for Ti6Al4V.

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