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Class 2 Tungsten vs. Nickel 690

Class 2 tungsten belongs to the otherwise unclassified metals classification, while nickel 690 belongs to the nickel alloys. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is class 2 tungsten and the bottom bar is nickel 690.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 260
200
Elongation at Break, % 5.7
3.4 to 34
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 100
79
Tensile Strength: Ultimate (UTS), MPa 860
640 to 990
Tensile Strength: Yield (Proof), MPa 580
250 to 760

Thermal Properties

Latent Heat of Fusion, J/g 160
320
Specific Heat Capacity, J/kg-K 120
470
Thermal Conductivity, W/m-K 20
14
Thermal Expansion, µm/m-K 4.6
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 7.8
1.6

Otherwise Unclassified Properties

Density, g/cm3 15
8.3
Embodied Carbon, kg CO2/kg material 23
8.2
Embodied Energy, MJ/kg 350
120
Embodied Water, L/kg 140
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 44
31 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 640
160 to 1440
Stiffness to Weight: Axial, points 9.6
13
Stiffness to Weight: Bending, points 14
24
Strength to Weight: Axial, points 16
21 to 33
Strength to Weight: Bending, points 13
20 to 27
Thermal Diffusivity, mm2/s 11
3.5
Thermal Shock Resistance, points 52
16 to 25

Alloy Composition

Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
27 to 31
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 0
7.0 to 11
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0
58 to 66
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.015
Tungsten (W), % 92.5
0
Residuals, % 7.5
0