Titanium Grade 2, Annealed

Subcategory: Metal; Nonferrous Metal; Titanium Alloy; Unalloyed/Modified Titanium

Close Analogs: Titanium Grades 1,2,3,4,7,11,and 12 are all considered unalloyed and have similar mechanical properties.

Key Words: ASTM Grade 2; UNS R50400, CP titanium, C.P. titanium alloy

Component   Wt. %
CMax 0.1 
FeMax 0.3 
HMax 0.015 
N Max 0.03 
OMax 0.25 

Material Notes:
Information provided by Allvac and the references.

Applications: Airframe components, cryogenic vessels, heat exchangers, CPI equipment, condenser tubing, pickling baskets. Sample was annealed 2 hr at 700C.

Physical PropertiesMetricEnglishComments
Density4.51 g/cc0.163 lb/in 

Mechanical Properties
Hardness, Rockwell B9898 
Tensile Strength, Ultimate430 MPa62400 psi 
Tensile Strength, Yield340 MPa49300 psi 
Elongation at Break28 %28 % 
Modulus of Elasticity102 GPa14800 ksi in tension.
Compressive Yield Strength340 MPa49300 psi 
Notched Tensile Strength720 MPa104000 psi Kt (stress concentration factor) = 3.0
Ultimate Bearing Strength930 MPa135000 psi e/D = 2
Bearing Yield Strength660 MPa95700 psi e/D = 2
Poisson's Ratio0.340.34 
Charpy Impact65 J47.9 ft-lb V-notch
Fatigue Strength240 MPa34800 psi at 1E+7 cycles. Kt (stress concentration factor) = 2.7
Fatigue Strength280 MPa40600 psi 1E+7 cycles, Unnotched
Shear Modulus38 GPa5510 ksi 
Shear Strength380 MPa55100 psi Ultimate shear strength

Electrical Properties
Electrical Resistivity5.2e-005 ohm-cm5.2e-005 ohm-cm 

Thermal Properties
Heat of Fusion325 J/g140 BTU/lb High Purity Ti.
CTE, linear 20C8.6 m/m-C4.78 in/in-F 20-93C
CTE, linear 250C9.2 m/m-C5.11 in/in-F Unspecified heat treatment. Average over the range 0-315C
Specific Heat Capacity0.523 J/g-C0.125 BTU/lb-F 
Thermal Conductivity16.4 W/m-K114 BTU-in/hr-ft-F 
Melting PointMax 1665 CMax 3030 F Liquidus
Liquidus1665 C3030 F 
Beta Transus913 C1680 F 

Optical Properties
Emissivity (0-1)0.30.3 High purity Ti at 710C
Reflection Coefficient, Visible (0-1)0.560.56 High purity Ti; visible light.

References for this datasheet.

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