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C87500 Brass vs. C67300 Bronze

Both C87500 brass and C67300 bronze are copper alloys. They have 76% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C87500 brass and the bottom bar is C67300 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 18
12
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 42
41
Tensile Strength: Ultimate (UTS), MPa 460
500
Tensile Strength: Yield (Proof), MPa 190
340

Thermal Properties

Latent Heat of Fusion, J/g 260
190
Maximum Temperature: Mechanical, °C 170
130
Melting Completion (Liquidus), °C 920
870
Melting Onset (Solidus), °C 820
830
Specific Heat Capacity, J/kg-K 410
390
Thermal Conductivity, W/m-K 28
95
Thermal Expansion, µm/m-K 18
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.7
22
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
25

Otherwise Unclassified Properties

Base Metal Price, % relative 27
23
Density, g/cm3 8.3
8.0
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 44
46
Embodied Water, L/kg 300
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 67
55
Resilience: Unit (Modulus of Resilience), kJ/m3 160
550
Stiffness to Weight: Axial, points 7.4
7.4
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 16
17
Strength to Weight: Bending, points 16
17
Thermal Diffusivity, mm2/s 8.3
30
Thermal Shock Resistance, points 17
16

Alloy Composition

Aluminum (Al), % 0 to 0.5
0 to 0.25
Copper (Cu), % 79 to 85
58 to 63
Iron (Fe), % 0
0 to 0.5
Lead (Pb), % 0 to 0.5
0.4 to 3.0
Manganese (Mn), % 0
2.0 to 3.5
Nickel (Ni), % 0
0 to 0.25
Silicon (Si), % 3.0 to 5.0
0.5 to 1.5
Tin (Sn), % 0
0 to 0.3
Zinc (Zn), % 12 to 16
27.2 to 39.1
Residuals, % 0
0 to 0.5