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C87600 Bronze vs. C24000 Brass

Both C87600 bronze and C24000 brass are copper alloys. They have 86% 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 C87600 bronze and the bottom bar is C24000 brass.

UNS C87600 Silicon BronzeUNS C24000 (CW503L) Low Brass
Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 42
42
Tensile Strength: Ultimate (UTS), MPa 470
310 to 640

Thermal Properties

Latent Heat of Fusion, J/g 280
190
Maximum Temperature: Mechanical, °C 190
160
Melting Completion (Liquidus), °C 970
1000
Melting Onset (Solidus), °C 860
970
Specific Heat Capacity, J/kg-K 410
390
Thermal Conductivity, W/m-K 28
140
Thermal Expansion, µm/m-K 17
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.0
32
Electrical Conductivity: Equal Weight (Specific), % IACS 6.4
34

Otherwise Unclassified Properties

Base Metal Price, % relative 29
27
Density, g/cm3 8.5
8.5
Embodied Carbon, kg CO2/kg material 2.7
2.6
Embodied Energy, MJ/kg 43
43
Embodied Water, L/kg 300
320

Common Calculations

Stiffness to Weight: Axial, points 7.4
7.2
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 16
10 to 21
Strength to Weight: Bending, points 16
12 to 20
Thermal Diffusivity, mm2/s 8.1
43
Thermal Shock Resistance, points 17
10 to 22

Alloy Composition

Copper (Cu), % 88 to 92.5
78.5 to 81.5
Iron (Fe), % 0
0 to 0.050
Lead (Pb), % 0 to 0.5
0 to 0.050
Silicon (Si), % 3.5 to 5.5
0
Zinc (Zn), % 4.0 to 7.0
18.2 to 21.5
Residuals, % 0
0 to 0.2