C38500 Bronze vs. C63020 Bronze

Both C38500 bronze and C63020 bronze are copper alloys. They have 58% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C38500 bronze and the bottom bar is C63020 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		100
Elastic (Young's, Tensile) Modulus, GPa		120

Elongation at Break, %		17
Elongation at Break, %		6.8

Poisson's Ratio		0.31
Poisson's Ratio		0.33

Shear Modulus, GPa		37
Shear Modulus, GPa		44

Shear Strength, MPa		230
Shear Strength, MPa		600

Tensile Strength: Ultimate (UTS), MPa		370
Tensile Strength: Ultimate (UTS), MPa		1020

Tensile Strength: Yield (Proof), MPa		130
Tensile Strength: Yield (Proof), MPa		740

Thermal Properties

Latent Heat of Fusion, J/g		160
Latent Heat of Fusion, J/g		230

Maximum Temperature: Mechanical, °C		110
Maximum Temperature: Mechanical, °C		230

Melting Completion (Liquidus), °C		890
Melting Completion (Liquidus), °C		1070

Melting Onset (Solidus), °C		880
Melting Onset (Solidus), °C		1020

Specific Heat Capacity, J/kg-K		380
Specific Heat Capacity, J/kg-K		450

Thermal Conductivity, W/m-K		120
Thermal Conductivity, W/m-K		40

Thermal Expansion, µm/m-K		21
Thermal Expansion, µm/m-K		18

Otherwise Unclassified Properties

Base Metal Price, % relative		22
Base Metal Price, % relative		29

Density, g/cm³		8.1
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		45
Embodied Energy, MJ/kg		58

Embodied Water, L/kg		320
Embodied Water, L/kg		390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		48
Resilience: Ultimate (Unit Rupture Work), MJ/m³		63

Resilience: Unit (Modulus of Resilience), kJ/m³		78
Resilience: Unit (Modulus of Resilience), kJ/m³		2320

Stiffness to Weight: Axial, points		7.0
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
Strength to Weight: Axial, points		34

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

Thermal Diffusivity, mm²/s		40
Thermal Diffusivity, mm²/s		11

Thermal Shock Resistance, points		12
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), %		55 to 59
Copper (Cu), %		74.7 to 81.8

Iron (Fe), %		0 to 0.35
Iron (Fe), %		4.0 to 5.5

Lead (Pb), %		2.5 to 3.5
Lead (Pb), %		0 to 0.030

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

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

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

Zinc (Zn), %		36.7 to 42.5
Zinc (Zn), %		0 to 0.3

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