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C63800 Bronze vs. C87500 Brass

Both C63800 bronze and C87500 brass are copper alloys. They have 85% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C63800 bronze and the bottom bar is C87500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 7.9 to 41
18
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 43
42
Tensile Strength: Ultimate (UTS), MPa 460 to 1010
460

Thermal Properties

Latent Heat of Fusion, J/g 240
260
Maximum Temperature: Mechanical, °C 200
170
Melting Completion (Liquidus), °C 1030
920
Melting Onset (Solidus), °C 1000
820
Specific Heat Capacity, J/kg-K 410
410
Thermal Conductivity, W/m-K 40
28
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 10
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 30
27
Density, g/cm3 8.6
8.3
Embodied Carbon, kg CO2/kg material 2.8
2.7
Embodied Energy, MJ/kg 45
44
Embodied Water, L/kg 330
300

Common Calculations

Stiffness to Weight: Axial, points 7.4
7.4
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 15 to 33
16
Strength to Weight: Bending, points 15 to 26
16
Thermal Diffusivity, mm2/s 11
8.3
Thermal Shock Resistance, points 17 to 36
17

Alloy Composition

Aluminum (Al), % 2.5 to 3.1
0 to 0.5
Cobalt (Co), % 0.25 to 0.55
0
Copper (Cu), % 92.4 to 95.8
79 to 85
Iron (Fe), % 0 to 0.2
0
Lead (Pb), % 0 to 0.050
0 to 0.5
Manganese (Mn), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.2
0
Silicon (Si), % 1.5 to 2.1
3.0 to 5.0
Zinc (Zn), % 0 to 0.8
12 to 16
Residuals, % 0
0 to 0.5