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C86700 Bronze vs. C23400 Brass

Both C86700 bronze and C23400 brass are copper alloys. They have 75% of their average alloy composition in common. There are 22 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 C86700 bronze and the bottom bar is C23400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Poisson's Ratio 0.31
0.32
Shear Modulus, GPa 41
42
Tensile Strength: Ultimate (UTS), MPa 630
370 to 640

Thermal Properties

Latent Heat of Fusion, J/g 180
190
Maximum Temperature: Mechanical, °C 130
160
Melting Completion (Liquidus), °C 880
970
Melting Onset (Solidus), °C 860
930
Specific Heat Capacity, J/kg-K 400
390
Thermal Conductivity, W/m-K 89
120
Thermal Expansion, µm/m-K 20
19

Otherwise Unclassified Properties

Base Metal Price, % relative 23
27
Density, g/cm3 7.9
8.5
Embodied Carbon, kg CO2/kg material 2.9
2.6
Embodied Energy, MJ/kg 49
43
Embodied Water, L/kg 340
320

Common Calculations

Stiffness to Weight: Axial, points 7.5
7.2
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 22
12 to 21
Strength to Weight: Bending, points 21
13 to 19
Thermal Diffusivity, mm2/s 28
36
Thermal Shock Resistance, points 21
12 to 22

Alloy Composition

Aluminum (Al), % 1.0 to 3.0
0
Copper (Cu), % 55 to 60
81 to 84
Iron (Fe), % 1.0 to 3.0
0 to 0.050
Lead (Pb), % 0.5 to 1.5
0 to 0.050
Manganese (Mn), % 1.0 to 3.5
0
Nickel (Ni), % 0 to 1.0
0
Tin (Sn), % 0 to 1.5
0
Zinc (Zn), % 30 to 38
15.7 to 19
Residuals, % 0
0 to 0.2