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C72500 Copper-nickel vs. C83400 Brass

Both C72500 copper-nickel and C83400 brass are copper alloys. They have 89% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C72500 copper-nickel and the bottom bar is C83400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 45
42
Tensile Strength: Ultimate (UTS), MPa 420 to 780
240

Thermal Properties

Latent Heat of Fusion, J/g 210
200
Maximum Temperature: Mechanical, °C 210
180
Melting Completion (Liquidus), °C 1130
1040
Melting Onset (Solidus), °C 1060
1020
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 54
190
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
44
Electrical Conductivity: Equal Weight (Specific), % IACS 11
46

Otherwise Unclassified Properties

Base Metal Price, % relative 35
29
Density, g/cm3 8.9
8.7
Embodied Carbon, kg CO2/kg material 3.6
2.7
Embodied Energy, MJ/kg 55
43
Embodied Water, L/kg 320
320

Common Calculations

Stiffness to Weight: Axial, points 7.6
7.2
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 13 to 24
7.7
Strength to Weight: Bending, points 14 to 21
9.9
Thermal Diffusivity, mm2/s 16
57
Thermal Shock Resistance, points 14 to 27
8.4

Alloy Composition


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Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Copper (Cu), % 85.2 to 89.7
88 to 92
Iron (Fe), % 0 to 0.6
0 to 0.25
Lead (Pb), % 0 to 0.050
0 to 0.5
Manganese (Mn), % 0 to 0.2
0
Nickel (Ni), % 8.5 to 10.5
0 to 1.0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 1.8 to 2.8
0 to 0.2
Zinc (Zn), % 0 to 0.5
8.0 to 12
Residuals, % 0 to 0.2
0 to 0.7