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C24000 Brass vs. C72500 Copper-nickel

Both C24000 brass and C72500 copper-nickel are copper alloys. They have 80% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C24000 brass and the bottom bar is C72500 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Poisson's Ratio 0.32
0.34
Rockwell B Hardness 52 to 91
75 to 100
Rockwell Superficial 30T Hardness 51 to 78
62 to 89
Shear Modulus, GPa 42
45
Tensile Strength: Ultimate (UTS), MPa 310 to 640
420 to 780

Thermal Properties

Latent Heat of Fusion, J/g 190
210
Maximum Temperature: Mechanical, °C 160
210
Melting Completion (Liquidus), °C 1000
1130
Melting Onset (Solidus), °C 970
1060
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 140
54
Thermal Expansion, µm/m-K 19
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
11
Electrical Conductivity: Equal Weight (Specific), % IACS 34
11

Otherwise Unclassified Properties

Base Metal Price, % relative 27
35
Density, g/cm3 8.5
8.9
Embodied Carbon, kg CO2/kg material 2.6
3.6
Embodied Energy, MJ/kg 43
55
Embodied Water, L/kg 320
320

Common Calculations

Stiffness to Weight: Axial, points 7.2
7.6
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 10 to 21
13 to 24
Strength to Weight: Bending, points 12 to 20
14 to 21
Thermal Diffusivity, mm2/s 43
16
Thermal Shock Resistance, points 10 to 22
14 to 27

Alloy Composition

Copper (Cu), % 78.5 to 81.5
85.2 to 89.7
Iron (Fe), % 0 to 0.050
0 to 0.6
Lead (Pb), % 0 to 0.050
0 to 0.050
Manganese (Mn), % 0
0 to 0.2
Nickel (Ni), % 0
8.5 to 10.5
Tin (Sn), % 0
1.8 to 2.8
Zinc (Zn), % 18.2 to 21.5
0 to 0.5
Residuals, % 0
0 to 0.2

Comparable Variants