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C64700 Bronze vs. C87500 Brass

Both C64700 bronze and C87500 brass are copper alloys. They have 83% 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 C64700 bronze and the bottom bar is C87500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 9.0
18
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 44
42
Tensile Strength: Ultimate (UTS), MPa 660
460
Tensile Strength: Yield (Proof), MPa 560
190

Thermal Properties

Latent Heat of Fusion, J/g 220
260
Maximum Temperature: Mechanical, °C 200
170
Melting Completion (Liquidus), °C 1090
920
Melting Onset (Solidus), °C 1030
820
Specific Heat Capacity, J/kg-K 390
410
Thermal Conductivity, W/m-K 210
28
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 38
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 38
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 31
27
Density, g/cm3 8.9
8.3
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 43
44
Embodied Water, L/kg 310
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 57
67
Resilience: Unit (Modulus of Resilience), kJ/m3 1370
160
Stiffness to Weight: Axial, points 7.3
7.4
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 21
16
Strength to Weight: Bending, points 19
16
Thermal Diffusivity, mm2/s 59
8.3
Thermal Shock Resistance, points 24
17

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Copper (Cu), % 95.8 to 98
79 to 85
Iron (Fe), % 0 to 0.1
0
Lead (Pb), % 0 to 0.1
0 to 0.5
Nickel (Ni), % 1.6 to 2.2
0
Silicon (Si), % 0.4 to 0.8
3.0 to 5.0
Zinc (Zn), % 0 to 0.5
12 to 16
Residuals, % 0
0 to 0.5