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C71580 Copper-nickel vs. C87800 Brass

Both C71580 copper-nickel and C87800 brass are copper alloys. They have 69% 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 C71580 copper-nickel and the bottom bar is C87800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
110
Elongation at Break, % 40
25
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 51
42
Tensile Strength: Ultimate (UTS), MPa 330
590
Tensile Strength: Yield (Proof), MPa 110
350

Thermal Properties

Latent Heat of Fusion, J/g 230
260
Maximum Temperature: Mechanical, °C 260
170
Melting Completion (Liquidus), °C 1180
920
Melting Onset (Solidus), °C 1120
820
Specific Heat Capacity, J/kg-K 400
410
Thermal Conductivity, W/m-K 39
28
Thermal Expansion, µm/m-K 15
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.7
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 4.7
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 41
27
Density, g/cm3 8.9
8.3
Embodied Carbon, kg CO2/kg material 5.1
2.7
Embodied Energy, MJ/kg 74
44
Embodied Water, L/kg 280
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
130
Resilience: Unit (Modulus of Resilience), kJ/m3 47
540
Stiffness to Weight: Axial, points 8.5
7.4
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 10
20
Strength to Weight: Bending, points 12
19
Thermal Diffusivity, mm2/s 11
8.3
Thermal Shock Resistance, points 11
21

Alloy Composition

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 0.070
0
Copper (Cu), % 65.5 to 71
80 to 84.2
Iron (Fe), % 0 to 0.5
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 0.3
0 to 0.15
Nickel (Ni), % 29 to 33
0 to 0.2
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0
3.8 to 4.2
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
0 to 0.25
Zinc (Zn), % 0 to 0.050
12 to 16
Residuals, % 0
0 to 0.5