Tungsten Carbide - An Overview

Material: Tungsten Carbide - An Overview
Composition: WC
Property Minimum Value (S.I.) Maximum Value (S.I.) Units (S.I.) Minimum Value (Imp.) Maximum Value (Imp.) Units (Imp.)
Atomic Volume (average) 0.0062 0.0064 m3/kmol 378.347 390.552 in3/kmol
Density 15.25 15.88 Mg/m3 952.027 991.357 lb/ft3
Energy Content 150 200 MJ/kg 16250.8 21667.7 kcal/lb
Bulk Modulus 350 400 GPa 50.7632 58.0151 106 psi
Compressive Strength 3347 6833 MPa 485.441 991.043 ksi
Ductility 0.005 0.0074 0.005 0.0074 NULL
Elastic Limit 335 530 MPa 48.5876 76.87 ksi
Endurance Limit 285 420 MPa 41.3357 60.9158 ksi
Fracture Toughness 2 3.8 MPa.m1/2 1.82009 3.45818 ksi.in1/2
Hardness 17000 36000 MPa 2465.64 5221.36 ksi
Loss Coefficient 5e-005 0.0001 5e-005 0.0001 NULL
Modulus of Rupture 482 820 MPa 69.9082 118.931 ksi
Poisson's Ratio 0.2 0.22 0.2 0.22 NULL
Shear Modulus 243 283 GPa 35.2442 41.0457 106 psi
Tensile Strength 370 530 MPa 53.664 76.87 ksi
Young's Modulus 600 686 GPa 87.0226 99.4958 106 psi
Glass Temperature K °F
Latent Heat of Fusion 330 560 kJ/kg 141.874 240.755 BTU/lb
Maximum Service Temperature 1000 1050 K 1340.33 1430.33 °F
Melting Point 3000 3193 K 4940.33 5287.73 °F
Minimum Service Temperature 0 K -459.67 °F
Specific Heat 184 292 J/kg.K 0.14239 0.225967 BTU/lb.F
Thermal Conductivity 28 88 W/m.K 52.4169 164.739 BTU.ft/h.ft2.F
Thermal Expansion 4.5 7.1 10-6/K 8.1 12.78 10-6/°F
Breakdown Potential MV/m V/mil
Dielectric Constant NULL
Resistivity 41.7 100 10-8 ohm.m 41.7 100 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 5
Strong Acid 4
Strong Alkalis 5
UV 5
Wear 5
Weak Acid 5
Weak Alkalis 5