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C87500 Brass vs. C67500 Bronze

Both C87500 brass and C67500 bronze are copper alloys. They have 73% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C87500 brass and the bottom bar is C67500 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 18
14 to 33
Poisson's Ratio 0.33
0.3
Shear Modulus, GPa 42
40
Tensile Strength: Ultimate (UTS), MPa 460
430 to 580
Tensile Strength: Yield (Proof), MPa 190
170 to 370

Thermal Properties

Latent Heat of Fusion, J/g 260
170
Maximum Temperature: Mechanical, °C 170
120
Melting Completion (Liquidus), °C 920
890
Melting Onset (Solidus), °C 820
870
Specific Heat Capacity, J/kg-K 410
390
Thermal Conductivity, W/m-K 28
110
Thermal Expansion, µm/m-K 18
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.7
24
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
27

Otherwise Unclassified Properties

Base Metal Price, % relative 27
23
Density, g/cm3 8.3
8.0
Embodied Carbon, kg CO2/kg material 2.7
2.8
Embodied Energy, MJ/kg 44
47
Embodied Water, L/kg 300
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 67
61 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 160
130 to 650
Stiffness to Weight: Axial, points 7.4
7.3
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 16
15 to 20
Strength to Weight: Bending, points 16
16 to 19
Thermal Diffusivity, mm2/s 8.3
34
Thermal Shock Resistance, points 17
14 to 19

Alloy Composition

Aluminum (Al), % 0 to 0.5
0 to 0.25
Copper (Cu), % 79 to 85
57 to 60
Iron (Fe), % 0
0.8 to 2.0
Lead (Pb), % 0 to 0.5
0 to 0.2
Manganese (Mn), % 0
0.050 to 0.5
Silicon (Si), % 3.0 to 5.0
0
Tin (Sn), % 0
0.5 to 1.5
Zinc (Zn), % 12 to 16
35.1 to 41.7
Residuals, % 0
0 to 0.5