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C24000 Brass vs. C64700 Bronze

Both C24000 brass and C64700 bronze are copper alloys. They have 80% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is C24000 brass and the bottom bar is C64700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 42
44
Tensile Strength: Ultimate (UTS), MPa 310 to 640
660

Thermal Properties

Latent Heat of Fusion, J/g 190
220
Maximum Temperature: Mechanical, °C 160
200
Melting Completion (Liquidus), °C 1000
1090
Melting Onset (Solidus), °C 970
1030
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 140
210
Thermal Expansion, µm/m-K 19
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
38
Electrical Conductivity: Equal Weight (Specific), % IACS 34
38

Otherwise Unclassified Properties

Base Metal Price, % relative 27
31
Density, g/cm3 8.5
8.9
Embodied Carbon, kg CO2/kg material 2.6
2.7
Embodied Energy, MJ/kg 43
43
Embodied Water, L/kg 320
310

Common Calculations

Stiffness to Weight: Axial, points 7.2
7.3
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 10 to 21
21
Strength to Weight: Bending, points 12 to 20
19
Thermal Diffusivity, mm2/s 43
59
Thermal Shock Resistance, points 10 to 22
24

Alloy Composition

Copper (Cu), % 78.5 to 81.5
95.8 to 98
Iron (Fe), % 0 to 0.050
0 to 0.1
Lead (Pb), % 0 to 0.050
0 to 0.1
Nickel (Ni), % 0
1.6 to 2.2
Silicon (Si), % 0
0.4 to 0.8
Zinc (Zn), % 18.2 to 21.5
0 to 0.5
Residuals, % 0
0 to 0.5