Titanium Grade 2


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 
Ti99.2 

Material Notes:
Information provided by Allvac and the references.

Applications: Airframe components, cryogenic vessels, heat exchangers, CPI equipment, condenser tubing, pickling baskets.

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

Mechanical Properties
Hardness, Knoop170170 
Hardness, Rockwell B8080 
Hardness, Vickers145145 
Tensile Strength, Ultimate344 MPa49900 psi 
Tensile Strength, Yield275 - 410 MPa39900 - 59500 psi 
Elongation at Break20 %20 % 
Reduction of Area35 %35 % 
Modulus of Elasticity105 GPa15200 ksi In Tension
Compressive Modulus110 GPa16000 ksi 
Poisson's Ratio0.370.37 
Izod Impact114 - 171 J84.1 - 126 ft-lb 
Fatigue Strength300 MPa43500 psi 1E+7 cycles, Unnotched
Fatigue Strength425 MPa61600 psi 30,000 cycles, Unnotched
Fracture Toughness66 MPa-m60.1 ksi-in K(Q); annealed
Shear Modulus45 GPa6530 ksi 

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 0-100C
CTE, linear 250C9.2 m/m-C5.11 in/in-F Average over the range 0-315C
CTE, linear 500C9.7 m/m-C5.39 in/in-F 0-540C; CTE is higher perpendicular to the c-axis
Specific Heat Capacity0.523 J/g-C0.125 BTU/lb-F at 540C value is 0.67 J/g-C
Thermal Conductivity16.4 W/m-K114 BTU-in/hr-ft-F annealed
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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