C66100 Bronze vs. C63020 Bronze

Both C66100 bronze and C63020 bronze are copper alloys. They have 80% of their average alloy composition in common.

For each property being compared, the top bar is C66100 bronze and the bottom bar is C63020 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		120
Elastic (Young's, Tensile) Modulus, GPa		120

Elongation at Break, %		8.0 to 40
Elongation at Break, %		6.8

Poisson's Ratio		0.34
Poisson's Ratio		0.33

Shear Modulus, GPa		43
Shear Modulus, GPa		44

Shear Strength, MPa		280 to 460
Shear Strength, MPa		600

Tensile Strength: Ultimate (UTS), MPa		410 to 790
Tensile Strength: Ultimate (UTS), MPa		1020

Tensile Strength: Yield (Proof), MPa		120 to 430
Tensile Strength: Yield (Proof), MPa		740

Thermal Properties

Latent Heat of Fusion, J/g		260
Latent Heat of Fusion, J/g		230

Maximum Temperature: Mechanical, °C		200
Maximum Temperature: Mechanical, °C		230

Melting Completion (Liquidus), °C		1050
Melting Completion (Liquidus), °C		1070

Melting Onset (Solidus), °C		1000
Melting Onset (Solidus), °C		1020

Specific Heat Capacity, J/kg-K		400
Specific Heat Capacity, J/kg-K		450

Thermal Conductivity, W/m-K		34
Thermal Conductivity, W/m-K		40

Thermal Expansion, µm/m-K		17
Thermal Expansion, µm/m-K		18

Otherwise Unclassified Properties

Base Metal Price, % relative		29
Base Metal Price, % relative		29

Density, g/cm³		8.7
Density, g/cm³		8.2

Embodied Carbon, kg CO₂/kg material		2.6
Embodied Carbon, kg CO₂/kg material		3.6

Embodied Energy, MJ/kg		42
Embodied Energy, MJ/kg		58

Embodied Water, L/kg		300
Embodied Water, L/kg		390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		53 to 120
Resilience: Ultimate (Unit Rupture Work), MJ/m³		63

Resilience: Unit (Modulus of Resilience), kJ/m³		60 to 790
Resilience: Unit (Modulus of Resilience), kJ/m³		2320

Stiffness to Weight: Axial, points		7.4
Stiffness to Weight: Axial, points		8.0

Stiffness to Weight: Bending, points		19
Stiffness to Weight: Bending, points		20

Strength to Weight: Axial, points		13 to 25
Strength to Weight: Axial, points		34

Strength to Weight: Bending, points		14 to 22
Strength to Weight: Bending, points		27

Thermal Diffusivity, mm²/s		9.7
Thermal Diffusivity, mm²/s		11

Thermal Shock Resistance, points		15 to 29
Thermal Shock Resistance, points		35

Alloy Composition

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Aluminum (Al), %		0
Aluminum (Al), %		10 to 11

Chromium (Cr), %		0
Chromium (Cr), %		0 to 0.050

Cobalt (Co), %		0
Cobalt (Co), %		0 to 0.2

Copper (Cu), %		92 to 97
Copper (Cu), %		74.7 to 81.8

Iron (Fe), %		0 to 0.25
Iron (Fe), %		4.0 to 5.5

Lead (Pb), %		0.2 to 0.8
Lead (Pb), %		0 to 0.030

Manganese (Mn), %		0 to 1.5
Manganese (Mn), %		0 to 1.5

Nickel (Ni), %		0
Nickel (Ni), %		4.2 to 6.0

Silicon (Si), %		2.8 to 3.5
Silicon (Si), %		0

Tin (Sn), %		0
Tin (Sn), %		0 to 0.25

Zinc (Zn), %		0 to 1.5
Zinc (Zn), %		0 to 0.3

Residuals, %		0 to 0.5
Residuals, %		0 to 0.5