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Titanium Grade 12, Annealed
Categories: Metal; Nonferrous Metal; Titanium Alloy; Unalloyed/Modified Titanium
Material Notes: Addition of 0.3% Mo and 0.8% Ni to titanium increases corrosion resistance at a lower cost than Pd (see Ti Grades 7 and 11). Sample was annealed 20 min. at 815°C and 5 min. at 788°C.

Titanium Grades 1,2,3,4,7,11,and 12 are all considered unalloyed and have similar mechanical properties.
Key Words: UNS R53400; ASTM Grade 12, titanium alloy
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Physical PropertiesMetricEnglishComments
Density 4.50 g/cc0.163 lb/in³
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength, Ultimate 620 MPa89900 psi
Tensile Strength, Yield 480 MPa69600 psi
Elongation at Break 23.0 %23.0 %
Modulus of Elasticity 103 GPa14900 ksiin tension.
Notched Tensile Strength 620 MPa89900 psiKt (stress concentration factor) = 5.3
Poissons Ratio 0.2800.280
Fatigue Strength  140 MPa
@# of Cycles 1.00e+7 		20300 psi
@# of Cycles 1.00e+7 		Kt (stress concentration factor) = 3.5
 310 MPa
@# of Cycles 1.00e+7 		45000 psi
@# of Cycles 1.00e+7 		unnotched
Shear Modulus 41.0 GPa5950 ksi
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 0.0000520 ohm-cm0.0000520 ohm-cm
 
Thermal PropertiesMetricEnglishComments
Heat of Fusion 325 J/g140 BTU/lbHigh Purity Ti.
CTE, linear  9.50 µm/m-°C
@Temperature 200 °C		5.28 µin/in-°F
@Temperature 392 °F
 9.90 µm/m-°C
@Temperature 20.0 - 93.0 °C		5.50 µin/in-°F
@Temperature 68.0 - 199 °F
 40.4 µm/m-°C
@Temperature 20.0 °C		22.4 µin/in-°F
@Temperature 68.0 °F
CTE, linear, Transverse to Flow 19.9 µm/m-°C
@Temperature 20.0 °C		11.1 µin/in-°F
@Temperature 68.0 °F
Specific Heat Capacity 0.555 J/g-°C0.133 BTU/lb-°F
Thermal Conductivity 19.0 W/m-K132 BTU-in/hr-ft²-°F
Melting Point <= 1660 °C<= 3020 °FLiquidus
Liquidus 1660 °C3020 °F
Beta Transus 890 °C1630 °F
 
Optical PropertiesMetricEnglishComments
Emissivity (0-1) 0.3000.300High purity Ti at 710°C
Reflection Coefficient, Visible (0-1) 0.5600.560High purity Ti; visible light.
 
Component Elements PropertiesMetricEnglishComments
Molybdenum, Mo 0.30 %0.30 %
Nickel, Ni 0.80 %0.80 %
Titanium, Ti 98.9 %98.9 %

References for this datasheet.

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MTU121 / 14269




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