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C87500 Brass vs. C70400 Copper-nickel

Both C87500 brass and C70400 copper-nickel are copper alloys. They have 83% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C87500 brass and the bottom bar is C70400 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 42
45
Tensile Strength: Ultimate (UTS), MPa 460
300 to 310
Tensile Strength: Yield (Proof), MPa 190
95 to 230

Thermal Properties

Latent Heat of Fusion, J/g 260
210
Maximum Temperature: Mechanical, °C 170
210
Melting Completion (Liquidus), °C 920
1120
Melting Onset (Solidus), °C 820
1060
Specific Heat Capacity, J/kg-K 410
390
Thermal Conductivity, W/m-K 28
64
Thermal Expansion, µm/m-K 18
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.7
14
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
14

Otherwise Unclassified Properties

Base Metal Price, % relative 27
32
Density, g/cm3 8.3
8.9
Embodied Carbon, kg CO2/kg material 2.7
3.0
Embodied Energy, MJ/kg 44
47
Embodied Water, L/kg 300
300

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 160
38 to 220
Stiffness to Weight: Axial, points 7.4
7.5
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 16
9.3 to 9.8
Strength to Weight: Bending, points 16
11 to 12
Thermal Diffusivity, mm2/s 8.3
18
Thermal Shock Resistance, points 17
10 to 11

Alloy Composition

Aluminum (Al), % 0 to 0.5
0
Copper (Cu), % 79 to 85
89.8 to 93.6
Iron (Fe), % 0
1.3 to 1.7
Lead (Pb), % 0 to 0.5
0 to 0.050
Manganese (Mn), % 0
0.3 to 0.8
Nickel (Ni), % 0
4.8 to 6.2
Silicon (Si), % 3.0 to 5.0
0
Zinc (Zn), % 12 to 16
0 to 1.0
Residuals, % 0
0 to 0.5