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C66700 Brass vs. Class 4 Tungsten

C66700 brass belongs to the copper alloys classification, while class 4 tungsten belongs to the otherwise unclassified metals. 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 C66700 brass and the bottom bar is class 4 tungsten.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
270
Elongation at Break, % 2.0 to 58
2.3
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 41
110
Tensile Strength: Ultimate (UTS), MPa 340 to 690
790
Tensile Strength: Yield (Proof), MPa 100 to 640
580

Thermal Properties

Latent Heat of Fusion, J/g 180
170
Specific Heat Capacity, J/kg-K 390
130
Thermal Conductivity, W/m-K 97
30
Thermal Expansion, µm/m-K 20
4.5

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 17
17
Electrical Conductivity: Equal Weight (Specific), % IACS 19
9.7

Otherwise Unclassified Properties

Density, g/cm3 8.2
16
Embodied Carbon, kg CO2/kg material 2.7
24
Embodied Energy, MJ/kg 45
360
Embodied Water, L/kg 320
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13 to 150
16
Resilience: Unit (Modulus of Resilience), kJ/m3 49 to 1900
620
Stiffness to Weight: Axial, points 7.3
9.6
Stiffness to Weight: Bending, points 19
14
Strength to Weight: Axial, points 11 to 23
14
Strength to Weight: Bending, points 13 to 21
12
Thermal Diffusivity, mm2/s 30
15
Thermal Shock Resistance, points 11 to 23
46

Alloy Composition

Copper (Cu), % 68.5 to 71.5
0
Iron (Fe), % 0 to 0.1
0
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0.8 to 1.5
0
Tungsten (W), % 0
97
Zinc (Zn), % 26.3 to 30.7
0
Residuals, % 0
3.0