| Gallium, Ga | |
|---|---|
| Categories: | MetalNonferrous MetalPure Element |
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Export data to your CAD/FEA program| Physical Properties | Metric | English | Comments | ||
|---|---|---|---|---|---|
Density  | 5.445 g/cc @Temperature 1100 °C | 0.1967 lb/in³ @Temperature 2010 °F | Liquid | ||
| 5.492 g/cc @Temperature 1010 °C | 0.1984 lb/in³ @Temperature 1850 °F | Liquid | |||
| 5.72 g/cc @Temperature 600 °C | 0.207 lb/in³ @Temperature 1110 °F | Liquid | |||
| 5.779 g/cc @Temperature 500 °C | 0.2088 lb/in³ @Temperature 932 °F | Liquid | |||
| 5.9037 g/cc @Temperature 29.65 °C | 0.21328 lb/in³ @Temperature 85.37 °F | Solid | |||
| 5.907 g/cc @Temperature 20.0 °C | 0.2134 lb/in³ @Temperature 68.0 °F | Solid | |||
| 5.972 g/cc @Temperature 200 °C | 0.2158 lb/in³ @Temperature 392 °F | Liquid | |||
| 6.093 g/cc @Temperature 32.4 °C | 0.2201 lb/in³ @Temperature 90.3 °F | Liquid | |||
| 6.0947 g/cc @Temperature 29.8 °C | 0.22018 lb/in³ @Temperature 85.6 °F | Liquid | |||
| Vapor Pressure | 6.281e-9 bar @Temperature 727 °C | 0.000004711 torr @Temperature 1340 °F | |||
| 0.000001279 bar @Temperature 927 °C | 0.0009593 torr @Temperature 1700 °F | ||||
| 0.00005636 bar @Temperature 1127 °C | 0.04227 torr @Temperature 2061 °F | ||||
| 0.0009572 bar @Temperature 1327 °C | 0.7180 torr @Temperature 2421 °F | ||||
| 0.00859 bar @Temperature 1527 °C | 6.44 torr @Temperature 2781 °F | ||||
| 0.04932 bar @Temperature 1727 °C | 36.99 torr @Temperature 3141 °F | ||||
| 0.205 bar @Temperature 1927 °C | 154 torr @Temperature 3501 °F | ||||
| 1.00 bar @Temperature 2204 °C | 750 torr @Temperature 3999 °F | ||||
| Chemical Properties | Metric | English | Comments | ||
| Atomic Mass | 69.723 | 69.723 | 1995 | ||
| Atomic Number | 31 | 31 | |||
| Thermal Neutron Cross Section | 2.8 barns/atom | 2.8 barns/atom | |||
| X-ray Absorption Edge | 1.195 Å | 1.195 Å | K | ||
| 9.535 Å | 9.535 Å | LI | |||
| 10.613 Å | 10.613 Å | LII | |||
| 10.8546 Å | 10.8546 Å | LIII | |||
| Electrode Potential | -0.520 V | -0.520 V | |||
| Electronegativity | 1.81 | 1.81 | Pauling | ||
| Ionic Radius | 0.620 Å | 0.620 Å | Crystal Ionic Radius for Valence +3 | ||
| 0.810 Å | 0.810 Å | Crystal Ionic Radius for Valence +1 | |||
| Electrochemical Equivalent | 2.45 g/A/h | 2.45 g/A/h | |||
| Mechanical Properties | Metric | English | Comments | ||
| Hardness, Vickers | 50 | 50 | |||
| Electrical Properties | Metric | English | Comments | ||
| Electrical Resistivity | 0.0000175 ohm-cm | 0.0000175 ohm-cm | a-axis | ||
| Magnetic Susceptibility | -3.10e-7 | -3.10e-7 | cgs/g | ||
| Critical Magnetic Field Strength, Oersted | 560 | 560 | Beta | ||
| 815 | 815 | Delta | |||
| 950 | 950 | Gamma | |||
| Critical Superconducting Temperature | 5.90 – 6.20 K | 5.90 – 6.20 K | 5.9, 6.2 for Beta Ga | ||
| 7.00 K | 7.00 K | Gamma Ga | |||
| 7.85 K | 7.85 K | Delta Ga | |||
| | 6.28 K @Pressure >=3500 MPa | 6.28 K @Pressure >=508000 psi | Ga II | ||
| 7.50 K @Pressure >=3500 MPa | 7.50 K @Pressure >=508000 psi | Ga II′ | |||
| Thermal Properties | Metric | English | Comments | ||
| Heat of Fusion | 80.4 J/g | 34.6 BTU/lb | |||
| Heat of Vaporization | 3894 J/g | 1675 BTU/lb | |||
| CTE, linear | 58.0 µm/m-°C @Temperature 20.0 °C | 32.2 µin/in-°F @Temperature 68.0 °F | |||
| Specific Heat Capacity | 0.330 J/g-°C | 0.0789 BTU/lb-°F | |||
| Thermal Conductivity | 41.0 W/m-K | 285 BTU-in/hr-ft²-°F | |||
| Melting Point | 29.78 °C | 85.60 °F | |||
| Boiling Point | 2204 °C | 3999 °F | |||
| Optical Properties | Metric | English | Comments | ||
| Reflection Coefficient, Visible (0-1) | 0.713 @Wavelength 589 nm | 0.713 @Wavelength 589 nm | |||
| 0.756 @Wavelength 436 nm | 0.756 @Wavelength 436 nm | ||||
| 0.89 @Wavelength 436 nm | 0.89 @Wavelength 436 nm | Liquid | |||
| 0.89 @Wavelength 589 nm | 0.89 @Wavelength 589 nm | Liquid | |||
| Component Elements Properties | Metric | English | Comments | ||
| Gallium, Ga | 100 % | 100 % | |||
| Descriptive Properties | |||||
| CAS Number | 7440-55-3 | ||||
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