C28500 Muntz Metal vs. C71500 Copper-nickel

Both C28500 Muntz Metal and C71500 copper-nickel are copper alloys. They have 59% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C28500 Muntz Metal and the bottom bar is C71500 copper-nickel.

UNS C28500 Muntz Metal UNS C71500 (CW354H) Copper-Nickel

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		100
Elastic (Young's, Tensile) Modulus, GPa		140

Poisson's Ratio		0.3
Poisson's Ratio		0.33

Rockwell B Hardness		150
Rockwell B Hardness		40 to 89

Shear Modulus, GPa		40
Shear Modulus, GPa		52

Tensile Strength: Ultimate (UTS), MPa		520
Tensile Strength: Ultimate (UTS), MPa		380 to 620

Thermal Properties

Latent Heat of Fusion, J/g		170
Latent Heat of Fusion, J/g		230

Maximum Temperature: Mechanical, °C		110
Maximum Temperature: Mechanical, °C		260

Melting Completion (Liquidus), °C		900
Melting Completion (Liquidus), °C		1240

Melting Onset (Solidus), °C		890
Melting Onset (Solidus), °C		1170

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

Thermal Conductivity, W/m-K		100
Thermal Conductivity, W/m-K		28

Thermal Expansion, µm/m-K		21
Thermal Expansion, µm/m-K		16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS		29
Electrical Conductivity: Equal Volume, % IACS		4.6

Electrical Conductivity: Equal Weight (Specific), % IACS		33
Electrical Conductivity: Equal Weight (Specific), % IACS		4.7

Otherwise Unclassified Properties

Base Metal Price, % relative		22
Base Metal Price, % relative		41

Density, g/cm³		7.9
Density, g/cm³		8.9

Embodied Carbon, kg CO₂/kg material		2.7
Embodied Carbon, kg CO₂/kg material		5.1

Embodied Energy, MJ/kg		46
Embodied Energy, MJ/kg		74

Embodied Water, L/kg		320
Embodied Water, L/kg		280

Common Calculations

Stiffness to Weight: Axial, points		7.3
Stiffness to Weight: Axial, points		8.6

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

Strength to Weight: Axial, points		18
Strength to Weight: Axial, points		12 to 19

Strength to Weight: Bending, points		18
Strength to Weight: Bending, points		13 to 18

Thermal Diffusivity, mm²/s		33
Thermal Diffusivity, mm²/s		7.7

Thermal Shock Resistance, points		17
Thermal Shock Resistance, points		12 to 20

Alloy Composition

Copper (Cu), %		57 to 59
Copper (Cu), %		63.5 to 70.6

Iron (Fe), %		0 to 0.35
Iron (Fe), %		0.4 to 1.0

Lead (Pb), %		0 to 0.25
Lead (Pb), %		0 to 0.050

Manganese (Mn), %		0
Manganese (Mn), %		0 to 1.0

Nickel (Ni), %		0
Nickel (Ni), %		29 to 33

Zinc (Zn), %		39.5 to 43
Zinc (Zn), %		0 to 1.0

Residuals, %		0
Residuals, %		0 to 0.5