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Master Bond adhesives

Titanium Beta-21S (Grade 21)
Categories: Metal; Nonferrous Metal; Titanium Alloy; Beta Titanium Alloy

Material Notes: Property data for sample Aged 480ºC 15h

Key Words: UNS R58210
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Physical PropertiesMetricEnglishComments
Density 4.94 g/cc0.178 lb/in³
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength, Ultimate 1383 MPa200600 psiO content 0.14%
 1473 MPa213600 psiO content 0.25%
Tensile Strength, Yield 1277 MPa185200 psiO content 0.14%
 1373 MPa199100 psiO content 0.25%
Elongation at Break 4.5 %4.5 %O content 0.25%
 5.0 %5.0 %O content 0.14%
Modulus of Elasticity 105 GPa15200 ksiTypical Value for STA beta titanium alloy.
Poissons Ratio 0.330.33Typical for beta titanium alloy.
Shear Modulus 39.5 GPa5730 ksiCalculated from typical values.
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 0.000135 ohm-cm0.000135 ohm-cm
 
Thermal PropertiesMetricEnglishComments
CTE, linear  7.06 µm/m-°C
@Temperature 20.0 °C
3.92 µin/in-°F
@Temperature 68.0 °F
 8.76 µm/m-°C
@Temperature 250 °C
4.87 µin/in-°F
@Temperature 482 °F
 9.38 µm/m-°C
@Temperature 500 °C
5.21 µin/in-°F
@Temperature 932 °F
Specific Heat Capacity 0.710 J/g-°C0.170 BTU/lb-°F
Thermal Conductivity 7.50 W/m-K52.0 BTU-in/hr-ft²-°F
Melting Point 1672 - 1747 °C3042 - 3177 °F
Solidus 1672 °C3042 °F
Liquidus 1747 °C3177 °F
Beta Transus 800 °C1470 °F
 
Component Elements PropertiesMetricEnglishComments
Aluminum, Al 2.5 - 3.5 %2.5 - 3.5 %
Carbon, C <= 0.050 %<= 0.050 %
Hydrogen, H <= 0.015 %<= 0.015 %
Iron, Fe <= 0.40 %<= 0.40 %
Molybdenum, Mo 14 - 16 %14 - 16 %
Niobium, Nb (Columbium, Cb) 2.2 - 3.2 %2.2 - 3.2 %
Nitrogen, N <= 0.030 %<= 0.030 %
Other, each <= 0.10 %<= 0.10 %
Other, total <= 0.40 %<= 0.40 %
Oxygen, O <= 0.17 %<= 0.17 %
Silicon, Si 0.15 - 0.25 %0.15 - 0.25 %
Titanium, Ti 75.985 - 81.15 %75.985 - 81.15 %As Balance; Elemental Composition per ASTM B265

References for this datasheet.

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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MTB210 / 14173

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