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Class 3 Tungsten vs. C68700 Brass

Class 3 tungsten belongs to the otherwise unclassified metals classification, while C68700 brass belongs to the copper alloys. There are 22 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is class 3 tungsten and the bottom bar is C68700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 270
110
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 100
41
Tensile Strength: Ultimate (UTS), MPa 830
390
Tensile Strength: Yield (Proof), MPa 580
140

Thermal Properties

Latent Heat of Fusion, J/g 170
190
Specific Heat Capacity, J/kg-K 120
400
Thermal Conductivity, W/m-K 30
100
Thermal Expansion, µm/m-K 4.5
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
23
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
25

Otherwise Unclassified Properties

Density, g/cm3 15
8.3
Embodied Carbon, kg CO2/kg material 23
2.8
Embodied Energy, MJ/kg 360
46
Embodied Water, L/kg 150
340

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 630
90
Stiffness to Weight: Axial, points 9.6
7.3
Stiffness to Weight: Bending, points 14
19
Strength to Weight: Axial, points 15
13
Strength to Weight: Bending, points 13
14
Thermal Diffusivity, mm2/s 15
30
Thermal Shock Resistance, points 49
13

Alloy Composition

Aluminum (Al), % 0
1.8 to 2.5
Arsenic (As), % 0
0.020 to 0.1
Copper (Cu), % 0
76 to 79
Iron (Fe), % 0
0 to 0.060
Lead (Pb), % 0
0 to 0.070
Tungsten (W), % 95
0
Zinc (Zn), % 0
17.8 to 22.2
Residuals, % 0
0 to 0.5