Bismuth, Bi
Categories: Metal; Nonferrous Metal; Bismuth Alloy; Pure Element
Material Notes: Characteristics:
  • Brittle, crystalline metal
  • Somewhat pink with a high luster
  • Expands upon solidification, 3.32%
  • Very low thermal conductivity
  • Highly diamagnetic

Applications:

  • Chemical products
  • Solders and fusible alloys
  • Other alloying
  • Metallurgical additive

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    Physical PropertiesMetricEnglishComments
    Density 9.80 g/cc0.354 lb/in³
    Vapor Pressure  0.001013 bar
    @Temperature 893 °C    		0.7598 torr
    @Temperature 1640 °F
     0.01013 bar
    @Temperature 1053 °C    		7.598 torr
    @Temperature 1927 °F
     0.1013 bar
    @Temperature 1266 °C    		75.98 torr
    @Temperature 2311 °F
     1.013 bar
    @Temperature 1564 °C    		759.8 torr
    @Temperature 2847 °F
    Surface Tension  363 dynes/cm
    @Temperature 500 °C    		363 dynes/cm
    @Temperature 932 °F
     370 dynes/cm
    @Temperature 400 °C    		370 dynes/cm
    @Temperature 752 °F
     376 dynes/cm
    @Temperature 300 °C    		376 dynes/cm
    @Temperature 572 °F
     
    Chemical PropertiesMetricEnglishComments
    Atomic Mass 208.9804208.9804208.98038 - 1995
    Atomic Number 8383
    Thermal Neutron Cross Section 0.032 barns/atom0.032 barns/atom
    X-ray Absorption Edge 0.13691 Å0.13691 ÅK
     0.75649 Å0.75649 ÅLI
     0.7891 Å0.7891 ÅLII
     0.92459 Å0.92459 ÅLIII
    Electrode Potential 0.20 V0.20 V
    Electronegativity 1.91.9Pauling
    Ionic Radius 0.740 Å0.740 ÅCrystal Ionic Radius for Valence +5
     0.960 Å0.960 ÅCrystal Ionic Radius for Valence +3
     0.980 Å0.980 ÅCrystal Ionic Radius for Valence +1
    Electrochemical Equivalent 2.59 g/A/h2.59 g/A/h
     
    Mechanical PropertiesMetricEnglishComments
    Hardness, Brinell 77
    Modulus of Elasticity 31.7 GPa4600 ksi
    Poissons Ratio 0.330.33
    Shear Modulus 11.9 GPa1730 ksiCalculated
     
    Electrical PropertiesMetricEnglishComments
    Electrical Resistivity  0.000105 ohm-cm
    @Temperature 0.000 °C    		0.000105 ohm-cm
    @Temperature 32.0 °F
     0.000112 ohm-cm
    @Temperature 20.0 °C    		0.000112 ohm-cm
    @Temperature 68.0 °F
     0.0001289 ohm-cm
    @Temperature 300 °C    		0.0001289 ohm-cm
    @Temperature 572 °F
     0.0001535 ohm-cm
    @Temperature 700 °C    		0.0001535 ohm-cm
    @Temperature 1290 °F
    Magnetic Susceptibility -0.00000134-0.00000134cgs/g
    Critical Superconducting Temperature  2.60 - 6.17 K
    @Pressure 2500 - 2700 MPa    		2.60 - 6.17 K
    @Pressure 363000 - 392000 psi    		Bi II phase
     6.55 - 7.25 K
    @Pressure 2800 - 3800 MPa    		6.55 - 7.25 K
    @Pressure 406000 - 551000 psi    		Bi III phase
     6.00 - 8.70 K
    @Pressure 4300 - 6200 MPa    		6.00 - 8.70 K
    @Pressure 624000 - 899000 psi    		Bi IV phase
     6.70 - 8.30 K
    @Pressure 4800 - 8000 MPa    		6.70 - 8.30 K
    @Pressure 696000 - 1.16e+6 psi    		Bi V phase
     8.20 K
    @Pressure 3000 MPa    		8.20 K
    @Pressure 435000 psi    		Bi VII(?) phase
     8.55 K
    @Pressure 9000 MPa    		8.55 K
    @Pressure 1.31e+6 psi    		Bi VI phase
     
    Thermal PropertiesMetricEnglishComments
    Heat of Fusion 54.4 J/g23.4 BTU/lb
    Heat of Vaporization 854 J/g367 BTU/lb
    CTE, linear 13.3 µm/m-°C
    @Temperature 20.0 - 100 °C    		7.39 µin/in-°F
    @Temperature 68.0 - 212 °F
    Specific Heat Capacity  0.122 J/g-°C
    @Temperature 25.0 °C    		0.0292 BTU/lb-°F
    @Temperature 77.0 °F
     0.134 J/g-°C
    @Temperature 527 °C    		0.0320 BTU/lb-°F
    @Temperature 981 °F
     0.137 J/g-°C
    @Temperature 427 °C    		0.0327 BTU/lb-°F
    @Temperature 801 °F
     0.141 J/g-°C
    @Temperature 327 °C    		0.0337 BTU/lb-°F
    @Temperature 621 °F
     0.146 J/g-°C
    @Temperature 217.4 °C    		0.0349 BTU/lb-°F
    @Temperature 423.3 °F
    Thermal Conductivity 10.0 W/m-K69.4 BTU-in/hr-ft²-°F
     8.20 W/m-K
    @Temperature 0.000 °C    		56.9 BTU-in/hr-ft²-°F
    @Temperature 32.0 °F
     11.3 W/m-K
    @Temperature 300 °C    		78.4 BTU-in/hr-ft²-°F
    @Temperature 572 °F
     12.3 W/m-K
    @Temperature 400 °C    		85.4 BTU-in/hr-ft²-°F
    @Temperature 752 °F
     13.3 W/m-K
    @Temperature 500 °C    		92.3 BTU-in/hr-ft²-°F
    @Temperature 932 °F
     14.5 W/m-K
    @Temperature 600 °C    		101 BTU-in/hr-ft²-°F
    @Temperature 1110 °F
    Melting Point 271.3 °C520.3 °F
    Boiling Point 2000 °C3630 °F
     
    Optical PropertiesMetricEnglishComments
    Emissivity (0-1) 0.048
    @Temperature 25.0 °C    		0.048
    @Temperature 77.0 °F    		unoxidized
     
    Component Elements PropertiesMetricEnglishComments
    Bismuth, Bi 100 %100 %
     
    Descriptive Properties
    CAS Number7440-69-9

    References for this datasheet.

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