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C26800 Brass vs. C40500 Penny Bronze

Both C26800 brass and C40500 penny bronze are copper alloys. They have 70% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C26800 brass and the bottom bar is C40500 penny bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Poisson's Ratio 0.31
0.34
Rockwell B Hardness 53 to 91
46 to 82
Shear Modulus, GPa 40
43
Tensile Strength: Ultimate (UTS), MPa 310 to 650
270 to 540

Thermal Properties

Latent Heat of Fusion, J/g 180
200
Maximum Temperature: Mechanical, °C 130
190
Melting Completion (Liquidus), °C 930
1060
Melting Onset (Solidus), °C 900
1020
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 120
160
Thermal Expansion, µm/m-K 20
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
41
Electrical Conductivity: Equal Weight (Specific), % IACS 30
42

Otherwise Unclassified Properties

Base Metal Price, % relative 24
30
Density, g/cm3 8.1
8.8
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 45
43
Embodied Water, L/kg 320
320

Common Calculations

Stiffness to Weight: Axial, points 7.2
7.2
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 11 to 22
8.5 to 17
Strength to Weight: Bending, points 13 to 21
10 to 17
Thermal Diffusivity, mm2/s 37
48
Thermal Shock Resistance, points 10 to 22
9.5 to 19

Alloy Composition

Copper (Cu), % 64 to 68.5
94 to 96
Iron (Fe), % 0 to 0.050
0 to 0.050
Lead (Pb), % 0 to 0.15
0 to 0.050
Tin (Sn), % 0
0.7 to 1.3
Zinc (Zn), % 31 to 36
2.1 to 5.3
Residuals, % 0
0 to 0.5

Comparable Variants