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C87500 Brass vs. CC495K Bronze

Both C87500 brass and CC495K bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 80% 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 CC495K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 18
7.0
Poisson's Ratio 0.33
0.35
Shear Modulus, GPa 42
37
Tensile Strength: Ultimate (UTS), MPa 460
240
Tensile Strength: Yield (Proof), MPa 190
120

Thermal Properties

Latent Heat of Fusion, J/g 260
180
Maximum Temperature: Mechanical, °C 170
140
Melting Completion (Liquidus), °C 920
930
Melting Onset (Solidus), °C 820
820
Specific Heat Capacity, J/kg-K 410
350
Thermal Conductivity, W/m-K 28
48
Thermal Expansion, µm/m-K 18
19

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 27
33
Density, g/cm3 8.3
9.0
Embodied Carbon, kg CO2/kg material 2.7
3.6
Embodied Energy, MJ/kg 44
58
Embodied Water, L/kg 300
400

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 67
14
Resilience: Unit (Modulus of Resilience), kJ/m3 160
68
Stiffness to Weight: Axial, points 7.4
6.2
Stiffness to Weight: Bending, points 19
17
Strength to Weight: Axial, points 16
7.3
Strength to Weight: Bending, points 16
9.4
Thermal Diffusivity, mm2/s 8.3
15
Thermal Shock Resistance, points 17
8.8

Alloy Composition

Aluminum (Al), % 0 to 0.5
0 to 0.010
Antimony (Sb), % 0
0 to 0.5
Copper (Cu), % 79 to 85
76 to 82
Iron (Fe), % 0
0 to 0.25
Lead (Pb), % 0 to 0.5
8.0 to 11
Manganese (Mn), % 0
0 to 0.2
Nickel (Ni), % 0
0 to 2.0
Phosphorus (P), % 0
0 to 0.1
Silicon (Si), % 3.0 to 5.0
0 to 0.010
Sulfur (S), % 0
0 to 0.1
Tin (Sn), % 0
9.0 to 11
Zinc (Zn), % 12 to 16
0 to 2.0
Residuals, % 0 to 0.5
0