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C32000 Brass vs. C40500 Penny Bronze

Both C32000 brass and C40500 penny bronze are copper alloys. They have 89% of their average alloy composition in common. There are 29 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 C32000 brass and the bottom bar is C40500 penny bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 6.8 to 29
3.0 to 49
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 41
43
Shear Strength, MPa 180 to 280
210 to 310
Tensile Strength: Ultimate (UTS), MPa 270 to 470
270 to 540
Tensile Strength: Yield (Proof), MPa 78 to 390
79 to 520

Thermal Properties

Latent Heat of Fusion, J/g 190
200
Maximum Temperature: Mechanical, °C 170
190
Melting Completion (Liquidus), °C 1020
1060
Melting Onset (Solidus), °C 990
1020
Specific Heat Capacity, J/kg-K 380
380
Thermal Conductivity, W/m-K 160
160
Thermal Expansion, µm/m-K 19
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
41
Electrical Conductivity: Equal Weight (Specific), % IACS 37
42

Otherwise Unclassified Properties

Base Metal Price, % relative 28
30
Density, g/cm3 8.7
8.8
Embodied Carbon, kg CO2/kg material 2.6
2.7
Embodied Energy, MJ/kg 42
43
Embodied Water, L/kg 310
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30 to 59
16 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 28 to 680
28 to 1200
Stiffness to Weight: Axial, points 7.1
7.2
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 8.8 to 15
8.5 to 17
Strength to Weight: Bending, points 11 to 16
10 to 17
Thermal Diffusivity, mm2/s 47
48
Thermal Shock Resistance, points 9.5 to 16
9.5 to 19

Alloy Composition


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Copper (Cu), % 83.5 to 86.5
94 to 96
Iron (Fe), % 0 to 0.1
0 to 0.050
Lead (Pb), % 1.5 to 2.2
0 to 0.050
Nickel (Ni), % 0 to 0.25
0
Tin (Sn), % 0
0.7 to 1.3
Zinc (Zn), % 10.6 to 15
2.1 to 5.3
Residuals, % 0 to 0.4
0 to 0.5

Comparable Variants