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Titanium Alloys, General

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Subcategory: Metal; Nonferrous Metal; Titanium Alloy

Component   Wt. %
Ti75 - 100 

Material Notes:
The titanium alloy entries in MatWeb are categorized as alpha/near alpha, alpha/beta, or beta titanium alloys. MatWeb also has entries for unalloyed titanium (grades 1,2,3,4,7,11, and 12), high purity titanium, and an entry under pure metallic elements. The addition of alloying elements improves the mechanical properties (strength, hardness) of titanium while decreasing its thermal and electrical conductivities. These properties are typical of commercial titanium alloys. Some properties, such as strength and hardness, vary too much for a reasonable generalization. See entries for individual alloys for more specific information.

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Physical PropertiesMetricEnglishComments
Density4.7 g/cc0.17 lb/in³ 

Mechanical Properties
Modulus of Elasticity110 GPa16000 ksi 
Compressive Modulus115 - 121 GPa16700 - 17500 ksi Estimated from tensile modulus
Poisson's Ratio0.330.33 
Shear Modulus42 GPa6090 ksi 

Electrical Properties
Electrical Resistivity0.00017 ohm-cm0.00017 ohm-cm 

Thermal Properties
CTE, linear 20°C8.7 µm/m-°C4.83 µin/in-°F 20-100°C
CTE, linear 250°C9.2 µm/m-°C5.11 µin/in-°F 20-250°C
CTE, linear 500°C10 µm/m-°C5.56 µin/in-°F 20-500°C
Specific Heat Capacity0.525 J/g-°C0.125 BTU/lb-°F 
Thermal Conductivity7 W/m-K48.6 BTU-in/hr-ft²-°F 
Melting Point1550 - 1600 °C2820 - 2910 °F 
Solidus1550 °C2820 °F 
Liquidus1600 °C2910 °F 
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