Tungsten

Material: Tungsten
Composition: >99.95%W typically
Property Minimum Value (S.I.) Maximum Value (S.I.) Units (S.I.) Minimum Value (Imp.) Maximum Value (Imp.) Units (Imp.)
Atomic Volume (average) 0.0095 0.0096 m3/kmol 579.725 585.828 in3/kmol
Density 19.25 19.35 Mg/m3 1201.74 1207.98 lb/ft3
Energy Content 60 200 MJ/kg 6500.32 21667.7 kcal/lb
Bulk Modulus 246 322 GPa 35.6793 46.7021 106 psi
Compressive Strength 1350 3500 MPa 195.801 507.632 ksi
Ductility 0.01 0.25 0.01 0.25 NULL
Elastic Limit 1350 3500 MPa 195.801 507.632 ksi
Endurance Limit 665 1950 MPa 96.45 282.823 ksi
Fracture Toughness 120 150 MPa.m1/2 109.206 136.507 ksi.in1/2
Hardness 4500 8500 MPa 652.67 1232.82 ksi
Loss Coefficient 2e-005 0.0001 2e-005 0.0001 NULL
Modulus of Rupture 1350 3500 MPa 195.801 507.632 ksi
Poisson's Ratio 0.27 0.29 0.27 0.29 NULL
Shear Modulus 130 160 GPa 18.8549 23.206 106 psi
Tensile Strength 1670 3900 MPa 242.213 565.647 ksi
Young's Modulus 340 405 GPa 49.3128 58.7403 106 psi
Glass Temperature K °F
Latent Heat of Fusion 190 195 kJ/kg 81.6849 83.8345 BTU/lb
Maximum Service Temperature 1098 1483 K 1516.73 2209.73 °F
Melting Point 3683 3693 K 6169.73 6187.73 °F
Minimum Service Temperature 0 0 K -459.67 -459.67 °F
Specific Heat 135 141 J/kg.K 0.104471 0.109114 BTU/lb.F
Thermal Conductivity 170 175 W/m.K 318.246 327.606 BTU.ft/h.ft2.F
Thermal Expansion 4.2 4.6 10-6/K 7.56 8.28 10-6/°F
Breakdown Potential MV/m V/mil
Dielectric Constant NULL
Resistivity 5.4 6 10-8 ohm.m 5.4 6 10-8 ohm.m
Environmental Properties
  Resistance Factors
1=Poor 5=Excellent
Flammability 5
Fresh Water 5
Organic Solvents 5
Oxidation at 500C 5
Sea Water 4
Strong Acid 3
Strong Alkalis 3
UV 5
Wear 4
Weak Acid 5
Weak Alkalis 4