C70400 Copper-nickel vs. C66100 Bronze

Both C70400 copper-nickel and C66100 bronze are copper alloys. They have a moderately high 93% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C70400 copper-nickel and the bottom bar is C66100 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

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

Poisson's Ratio		0.34
Poisson's Ratio		0.34

Shear Modulus, GPa		45
Shear Modulus, GPa		43

Tensile Strength: Ultimate (UTS), MPa		300 to 310
Tensile Strength: Ultimate (UTS), MPa		410 to 790

Tensile Strength: Yield (Proof), MPa		95 to 230
Tensile Strength: Yield (Proof), MPa		120 to 430

Thermal Properties

Latent Heat of Fusion, J/g		210
Latent Heat of Fusion, J/g		260

Maximum Temperature: Mechanical, °C		210
Maximum Temperature: Mechanical, °C		200

Melting Completion (Liquidus), °C		1120
Melting Completion (Liquidus), °C		1050

Melting Onset (Solidus), °C		1060
Melting Onset (Solidus), °C		1000

Specific Heat Capacity, J/kg-K		390
Specific Heat Capacity, J/kg-K		400

Thermal Conductivity, W/m-K		64
Thermal Conductivity, W/m-K		34

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

Otherwise Unclassified Properties

Base Metal Price, % relative		32
Base Metal Price, % relative		29

Density, g/cm³		8.9
Density, g/cm³		8.7

Embodied Carbon, kg CO₂/kg material		3.0
Embodied Carbon, kg CO₂/kg material		2.6

Embodied Energy, MJ/kg		47
Embodied Energy, MJ/kg		42

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

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m³		38 to 220
Resilience: Unit (Modulus of Resilience), kJ/m³		60 to 790

Stiffness to Weight: Axial, points		7.5
Stiffness to Weight: Axial, points		7.4

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

Strength to Weight: Axial, points		9.3 to 9.8
Strength to Weight: Axial, points		13 to 25

Strength to Weight: Bending, points		11 to 12
Strength to Weight: Bending, points		14 to 22

Thermal Diffusivity, mm²/s		18
Thermal Diffusivity, mm²/s		9.7

Thermal Shock Resistance, points		10 to 11
Thermal Shock Resistance, points		15 to 29

Alloy Composition

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Copper (Cu), %		89.8 to 93.6
Copper (Cu), %		92 to 97

Iron (Fe), %		1.3 to 1.7
Iron (Fe), %		0 to 0.25

Lead (Pb), %		0 to 0.050
Lead (Pb), %		0.2 to 0.8

Manganese (Mn), %		0.3 to 0.8
Manganese (Mn), %		0 to 1.5

Nickel (Ni), %		4.8 to 6.2
Nickel (Ni), %		0

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

Zinc (Zn), %		0 to 1.0
Zinc (Zn), %		0 to 1.5

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