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Master Bond adhesives

Osmium, Os; Arc-Melted
Categories: Metal; Nonferrous Metal; Precious Metal; Pure Element

Material Notes: Arc-melted applies only to tensile and/or hardness values; other property values are typical of the element.

Physical Form: Blue-White Metal; Hexagonal

See entries for annealed and cold worked Os.

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Physical PropertiesMetricEnglishComments
Density 22.5 g/cc0.813 lb/in³
 
Chemical PropertiesMetricEnglishComments
Atomic Mass 190.23190.231995
Atomic Number 7676
Thermal Neutron Cross Section 15 barns/atom15 barns/atom
X-ray Absorption Edge 0.1678 Å0.1678 ÅK
 0.95574 Å0.95574 ÅLI
 1.00129 Å1.00129 ÅLII
 1.14143 Å1.14143 ÅLIII
Electrode Potential 0.70 V0.70 V
Electronegativity 2.22.2Pauling
Ionic Radius 0.690 Å0.690 ÅCrystal Ionic Radius for Valence +6
 0.880 Å0.880 ÅCrystal Ionic Radius for Valence +4
 
Mechanical PropertiesMetricEnglishComments
Hardness, Brinell 722722Converted from Vickers for 3000 kg load/10 mm ball Brinell test.
Hardness, Knoop 822822Converted from Vickers.
Hardness, Rockwell A 83.483.4Converted from Vickers.
Hardness, Rockwell C 6464Converted from Vickers.
Hardness, Vickers 800800
Modulus of Elasticity 560 GPa81200 ksi
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 0.00000812 ohm-cm0.00000812 ohm-cm
Magnetic Susceptibility 4.0e-84.0e-8cgs/g
Critical Magnetic Field Strength, Oersted 7070
Critical Superconducting Temperature 0.630 - 0.690 K0.630 - 0.690 K
 
Thermal PropertiesMetricEnglishComments
Heat of Fusion 26.8 J/g11.5 BTU/lb
Heat of Vaporization 678 J/g292 BTU/lb
CTE, linear 6.60 µm/m-°C
@Temperature 20.0 - 100 °C
3.67 µin/in-°F
@Temperature 68.0 - 212 °F
Specific Heat Capacity 0.109 J/g-°C0.0261 BTU/lb-°FGas
 0.131 J/g-°C0.0313 BTU/lb-°F
Thermal Conductivity 91.67 W/m-K636.2 BTU-in/hr-ft²-°F
Melting Point 3050 °C5520 °F
Boiling Point 5012 °C9054 °F
Heat of Formation 0.000 kJ/mol0.000 kJ/molCrystal
 791 kJ/mol791 kJ/molGas
 
Component Elements PropertiesMetricEnglishComments
Osmium, Os 100 %100 %
 
Descriptive Properties
SolubilitySoluble in Aqua Regia

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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