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C62500 Bronze vs. C87500 Brass

Both C62500 bronze and C87500 brass are copper alloys. They have 82% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C62500 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, % 1.0
18
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 42
42
Tensile Strength: Ultimate (UTS), MPa 690
460
Tensile Strength: Yield (Proof), MPa 410
190

Thermal Properties

Latent Heat of Fusion, J/g 230
260
Maximum Temperature: Mechanical, °C 230
170
Melting Completion (Liquidus), °C 1050
920
Melting Onset (Solidus), °C 1050
820
Specific Heat Capacity, J/kg-K 460
410
Thermal Conductivity, W/m-K 47
28
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 11
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 26
27
Density, g/cm3 8.1
8.3
Embodied Carbon, kg CO2/kg material 3.3
2.7
Embodied Energy, MJ/kg 55
44
Embodied Water, L/kg 410
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.0
67
Resilience: Unit (Modulus of Resilience), kJ/m3 750
160
Stiffness to Weight: Axial, points 7.8
7.4
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 24
16
Strength to Weight: Bending, points 22
16
Thermal Diffusivity, mm2/s 13
8.3
Thermal Shock Resistance, points 24
17

Alloy Composition

Aluminum (Al), % 12.5 to 13.5
0 to 0.5
Copper (Cu), % 78.5 to 84
79 to 85
Iron (Fe), % 3.5 to 5.5
0
Lead (Pb), % 0
0 to 0.5
Manganese (Mn), % 0 to 2.0
0
Silicon (Si), % 0
3.0 to 5.0
Zinc (Zn), % 0
12 to 16
Residuals, % 0
0 to 0.5