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C96200 Copper-nickel vs. C87500 Brass

Both C96200 copper-nickel and C87500 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 83% of their average alloy composition in common.

For each property being compared, the top bar is C96200 copper-nickel and the bottom bar is C87500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 23
18
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 46
42
Tensile Strength: Ultimate (UTS), MPa 350
460
Tensile Strength: Yield (Proof), MPa 190
190

Thermal Properties

Latent Heat of Fusion, J/g 220
260
Maximum Temperature: Mechanical, °C 220
170
Melting Completion (Liquidus), °C 1150
920
Melting Onset (Solidus), °C 1100
820
Specific Heat Capacity, J/kg-K 390
410
Thermal Conductivity, W/m-K 45
28
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 11
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 36
27
Density, g/cm3 8.9
8.3
Embodied Carbon, kg CO2/kg material 3.8
2.7
Embodied Energy, MJ/kg 58
44
Embodied Water, L/kg 300
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 68
67
Resilience: Unit (Modulus of Resilience), kJ/m3 150
160
Stiffness to Weight: Axial, points 7.8
7.4
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 11
16
Strength to Weight: Bending, points 13
16
Thermal Diffusivity, mm2/s 13
8.3
Thermal Shock Resistance, points 12
17

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Carbon (C), % 0 to 0.1
0
Copper (Cu), % 83.6 to 90
79 to 85
Iron (Fe), % 1.0 to 1.8
0
Lead (Pb), % 0 to 0.010
0 to 0.5
Manganese (Mn), % 0 to 1.5
0
Nickel (Ni), % 9.0 to 11
0
Niobium (Nb), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.5
3.0 to 5.0
Sulfur (S), % 0 to 0.020
0
Zinc (Zn), % 0
12 to 16
Residuals, % 0
0 to 0.5