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C65400 Bronze vs. C87500 Brass

Both C65400 bronze and C87500 brass are copper alloys. They have 85% 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 C65400 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, % 2.6 to 47
18
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 43
42
Tensile Strength: Ultimate (UTS), MPa 500 to 1060
460
Tensile Strength: Yield (Proof), MPa 170 to 910
190

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Maximum Temperature: Mechanical, °C 200
170
Melting Completion (Liquidus), °C 1020
920
Melting Onset (Solidus), °C 960
820
Specific Heat Capacity, J/kg-K 400
410
Thermal Conductivity, W/m-K 36
28
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 31
27
Density, g/cm3 8.7
8.3
Embodied Carbon, kg CO2/kg material 2.8
2.7
Embodied Energy, MJ/kg 45
44
Embodied Water, L/kg 310
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 10 to 480
67
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 3640
160
Stiffness to Weight: Axial, points 7.3
7.4
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 16 to 34
16
Strength to Weight: Bending, points 16 to 27
16
Thermal Diffusivity, mm2/s 10
8.3
Thermal Shock Resistance, points 18 to 39
17

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Chromium (Cr), % 0.010 to 0.12
0
Copper (Cu), % 93.8 to 96.1
79 to 85
Lead (Pb), % 0 to 0.050
0 to 0.5
Silicon (Si), % 2.7 to 3.4
3.0 to 5.0
Tin (Sn), % 1.2 to 1.9
0
Zinc (Zn), % 0 to 0.5
12 to 16
Residuals, % 0
0 to 0.5