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C72150 Copper-nickel vs. C87800 Brass

Both C72150 copper-nickel and C87800 brass are copper alloys. They have 56% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C72150 copper-nickel and the bottom bar is C87800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 150
110
Elongation at Break, % 29
25
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 55
42
Tensile Strength: Ultimate (UTS), MPa 490
590
Tensile Strength: Yield (Proof), MPa 210
350

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 600
170
Melting Completion (Liquidus), °C 1210
920
Melting Onset (Solidus), °C 1250
820
Specific Heat Capacity, J/kg-K 410
410
Thermal Conductivity, W/m-K 22
28
Thermal Expansion, µm/m-K 14
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.5
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.6
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 45
27
Density, g/cm3 8.9
8.3
Embodied Carbon, kg CO2/kg material 6.1
2.7
Embodied Energy, MJ/kg 88
44
Embodied Water, L/kg 270
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
130
Resilience: Unit (Modulus of Resilience), kJ/m3 150
540
Stiffness to Weight: Axial, points 9.1
7.4
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 15
20
Strength to Weight: Bending, points 15
19
Thermal Diffusivity, mm2/s 6.0
8.3
Thermal Shock Resistance, points 18
21

Alloy Composition


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Aluminum (Al), % 0
0 to 0.15
Antimony (Sb), % 0
0 to 0.050
Arsenic (As), % 0
0 to 0.050
Carbon (C), % 0 to 0.1
0
Copper (Cu), % 52.5 to 57
80 to 84.2
Iron (Fe), % 0 to 0.1
0 to 0.15
Lead (Pb), % 0 to 0.050
0 to 0.15
Magnesium (Mg), % 0
0 to 0.010
Manganese (Mn), % 0 to 0.050
0 to 0.15
Nickel (Ni), % 43 to 46
0 to 0.2
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0 to 0.5
3.8 to 4.2
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
0 to 0.25
Zinc (Zn), % 0 to 0.2
12 to 16
Residuals, % 0 to 0.5
0 to 0.5