| Barium, Ba | |
|---|---|
| Categories: | MetalNonferrous MetalPure Element |
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Export data to your CAD/FEA program| Physical Properties | Metric | English | Comments | ||
|---|---|---|---|---|---|
| Density | 3.66 g/cc | 0.132 lb/in³ | |||
| Chemical Properties | Metric | English | Comments | ||
| Atomic Mass | 137.327 | 137.327 | 1995 | ||
| Atomic Number | 56 | 56 | |||
| Thermal Neutron Cross Section | 1.17 barns/atom | 1.17 barns/atom | |||
| X-ray Absorption Edge | 0.33137 Å | 0.33137 Å | K | ||
| 2.08336 Å | 2.08336 Å | LI | |||
| 2.20216 Å | 2.20216 Å | LII | |||
| 2.36114 Å | 2.36114 Å | LIII | |||
| Electrode Potential | -2.90 V | -2.90 V | |||
| Electronegativity | 0.89 | 0.89 | Pauling | ||
| Ionic Radius | 1.34 Å | 1.34 Å | Crystal Ionic Radius for Valence +2 | ||
| 1.53 Å | 1.53 Å | Crystal Ionic Radius for Valence +1 | |||
| Electrochemical Equivalent | 2.56 g/A/h | 2.56 g/A/h | |||
| Mechanical Properties | Metric | English | Comments | ||
| Modulus of Elasticity | 12.8 GPa | 1860 ksi | |||
| Bulk Modulus | 10.2 GPa | 1480 ksi | |||
| Poissons Ratio | 0.28 | 0.28 | |||
| Shear Modulus | 5.00 GPa | 725 ksi | Calculated | ||
| Electrical Properties | Metric | English | Comments | ||
| Electrical Resistivity | 0.0000500 ohm-cm | 0.0000500 ohm-cm | |||
| Magnetic Susceptibility | 9.0e-7 | 9.0e-7 | cgs/g | ||
| Critical Superconducting Temperature | 1.00 – 1.80 K | 1.00 – 1.80 K | ~1-1.8 K from ~5.5-8.5 GPa pressure (Ba II phase); 1.8-5K from 8.5-14.4 GPa (Ba III phase); 4.5-5.4 from 144-190 GPa (Ba IV phase). | ||
| Thermal Properties | Metric | English | Comments | ||
| Heat of Fusion | 55.7 J/g | 24.0 BTU/lb | |||
| Heat of Vaporization | 1290 J/g | 555 BTU/lb | |||
| CTE, linear | 18.0 µm/m-°C @Temperature 20.0 – 100 °C | 10.0 µin/in-°F @Temperature 68.0 – 212 °F | |||
| Specific Heat Capacity | 0.285 J/g-°C | 0.0681 BTU/lb-°F | |||
| Thermal Conductivity | 18.4 W/m-K | 128 BTU-in/hr-ft²-°F | |||
| Melting Point | 725 °C | 1340 °F | |||
| Boiling Point | 1897 °C | 3447 °F | |||
| Component Elements Properties | Metric | English | Comments | ||
| Barium, Ba | 100 % | 100 % | |||
| Descriptive Properties | |||||
| CAS Number | 7440-39-3 | ||||
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