Ruthenium, Ru; Hot Rolled Bar | |
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Categories: | MetalNonferrous MetalPrecious MetalPure Element |
Material Notes: | Hot rolled bar applies only to tensile and/or hardness values; other property values are typical of the element. Physical Form: Silver-White Metal; Hexagonal |
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Physical Properties | Metric | English | Comments | ||
---|---|---|---|---|---|
Density | 12.3 g/cc | 0.444 lb/in³ | |||
Chemical Properties | Metric | English | Comments | ||
Atomic Mass | 101.07 | 101.07 | 1995 | ||
Atomic Number | 44 | 44 | |||
Thermal Neutron Cross Section | 2.6 barns/atom | 2.6 barns/atom | |||
X-ray Absorption Edge | 0.56 Å | 0.56 Å | K | ||
3.84133 Å | 3.84133 Å | LI | |||
4.17654 Å | 4.17654 Å | LII | |||
4.36632 Å | 4.36632 Å | LIII | |||
Electrode Potential | 0.45 V | 0.45 V | |||
Electronegativity | 2.2 | 2.2 | Pauling | ||
Ionic Radius | 0.670 Å | 0.670 Å | Crystal Ionic Radius for Valence +4 | ||
Mechanical Properties | Metric | English | Comments | ||
Tensile Strength, Ultimate | 540 MPa | 78300 psi | |||
Modulus of Elasticity | 414 GPa | 60000 ksi | |||
Electrical Properties | Metric | English | Comments | ||
Electrical Resistivity | 0.00000720 ohm-cm | 0.00000720 ohm-cm | |||
Magnetic Susceptibility | 5.6e-7 | 5.6e-7 | cgs/g | ||
Critical Magnetic Field Strength, Oersted | 67 – 71 | 67 – 71 | |||
Critical Superconducting Temperature | 0.475 – 0.505 K | 0.475 – 0.505 K | |||
Thermal Properties | Metric | English | Comments | ||
Heat of Fusion | 193 J/g | 83.0 BTU/lb | |||
Heat of Vaporization | 6196 J/g | 2666 BTU/lb | |||
CTE, linear | 9.60 µm/m-°C @Temperature 20.0 – 100 °C | 5.33 µin/in-°F @Temperature 68.0 – 212 °F | |||
Specific Heat Capacity | 0.2127 J/g-°C | 0.05084 BTU/lb-°F | Gas | ||
0.243 J/g-°C | 0.0581 BTU/lb-°F | ||||
Thermal Conductivity | 116 W/m-K | 805 BTU-in/hr-ft²-°F | |||
Melting Point | 2310 °C | 4190 °F | |||
Boiling Point | 4150 °C | 7500 °F | |||
Heat of Formation | 0.000 kJ/mol | 0.000 kJ/mol | Crystal | ||
642.7 kJ/mol | 642.7 kJ/mol | Gas | |||
Optical Properties | Metric | English | Comments | ||
Reflection Coefficient, Visible (0-1) | 0.63 | 0.63 | |||
Component Elements Properties | Metric | English | Comments | ||
Ruthenium, Ru | 100 % | 100 % | |||
Descriptive Properties | |||||
CAS Number | 7440-18-8 | ||||
Solubility | Inorganic in Acid and Aqua Regia |
References for this datasheet.
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