Class 4 Tungsten vs. C61000 Bronze

Class 4 tungsten belongs to the otherwise unclassified metals classification, while C61000 bronze belongs to the copper alloys. There are 24 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 4 tungsten and the bottom bar is C61000 bronze.

Class 4 Tungsten UNS C61000 Aluminum Bronze

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		270
Elastic (Young's, Tensile) Modulus, GPa		110

Elongation at Break, %		2.3
Elongation at Break, %		29 to 50

Poisson's Ratio		0.28
Poisson's Ratio		0.34

Shear Modulus, GPa		110
Shear Modulus, GPa		42

Tensile Strength: Ultimate (UTS), MPa		790
Tensile Strength: Ultimate (UTS), MPa		390 to 460

Tensile Strength: Yield (Proof), MPa		580
Tensile Strength: Yield (Proof), MPa		150 to 190

Thermal Properties

Latent Heat of Fusion, J/g		170
Latent Heat of Fusion, J/g		220

Specific Heat Capacity, J/kg-K		130
Specific Heat Capacity, J/kg-K		420

Thermal Conductivity, W/m-K		30
Thermal Conductivity, W/m-K		69

Thermal Expansion, µm/m-K		4.5
Thermal Expansion, µm/m-K		18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS		17
Electrical Conductivity: Equal Volume, % IACS		15

Electrical Conductivity: Equal Weight (Specific), % IACS		9.7
Electrical Conductivity: Equal Weight (Specific), % IACS		16

Otherwise Unclassified Properties

Density, g/cm³		16
Density, g/cm³		8.5

Embodied Carbon, kg CO₂/kg material		24
Embodied Carbon, kg CO₂/kg material		3.0

Embodied Energy, MJ/kg		360
Embodied Energy, MJ/kg		49

Embodied Water, L/kg		150
Embodied Water, L/kg		370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		16
Resilience: Ultimate (Unit Rupture Work), MJ/m³		110 to 160

Resilience: Unit (Modulus of Resilience), kJ/m³		620
Resilience: Unit (Modulus of Resilience), kJ/m³		100 to 160

Stiffness to Weight: Axial, points		9.6
Stiffness to Weight: Axial, points		7.4

Stiffness to Weight: Bending, points		14
Stiffness to Weight: Bending, points		19

Strength to Weight: Axial, points		14
Strength to Weight: Axial, points		13 to 15

Strength to Weight: Bending, points		12
Strength to Weight: Bending, points		14 to 16

Thermal Diffusivity, mm²/s		15
Thermal Diffusivity, mm²/s		19

Thermal Shock Resistance, points		46
Thermal Shock Resistance, points		14 to 16

Alloy Composition

Aluminum (Al), %		0
Aluminum (Al), %		6.0 to 8.5

Copper (Cu), %		0
Copper (Cu), %		90.2 to 94

Iron (Fe), %		0
Iron (Fe), %		0 to 0.5

Lead (Pb), %		0
Lead (Pb), %		0 to 0.020

Silicon (Si), %		0
Silicon (Si), %		0 to 0.1

Tungsten (W), %		97
Tungsten (W), %		0

Zinc (Zn), %		0
Zinc (Zn), %		0 to 0.2

Residuals, %		0
Residuals, %		0 to 0.5