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C18400 Copper vs. C40500 Penny Bronze

Both C18400 copper and C40500 penny bronze are copper alloys. They have a very high 96% of their average alloy composition in common. There are 30 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 C18400 copper and the bottom bar is C40500 penny bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 13 to 50
3.0 to 49
Poisson's Ratio 0.34
0.34
Rockwell B Hardness 16 to 84
46 to 82
Shear Modulus, GPa 44
43
Shear Strength, MPa 190 to 310
210 to 310
Tensile Strength: Ultimate (UTS), MPa 270 to 490
270 to 540
Tensile Strength: Yield (Proof), MPa 110 to 480
79 to 520

Thermal Properties

Latent Heat of Fusion, J/g 210
200
Maximum Temperature: Mechanical, °C 200
190
Melting Completion (Liquidus), °C 1080
1060
Melting Onset (Solidus), °C 1070
1020
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 320
160
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 80
41
Electrical Conductivity: Equal Weight (Specific), % IACS 81
42

Otherwise Unclassified Properties

Base Metal Price, % relative 31
30
Density, g/cm3 8.9
8.8
Embodied Carbon, kg CO2/kg material 2.6
2.7
Embodied Energy, MJ/kg 41
43
Embodied Water, L/kg 310
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 63 to 120
16 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 54 to 980
28 to 1200
Stiffness to Weight: Axial, points 7.3
7.2
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 8.5 to 15
8.5 to 17
Strength to Weight: Bending, points 10 to 16
10 to 17
Thermal Diffusivity, mm2/s 94
48
Thermal Shock Resistance, points 9.6 to 17
9.5 to 19

Alloy Composition

Arsenic (As), % 0 to 0.0050
0
Calcium (Ca), % 0 to 0.0050
0
Chromium (Cr), % 0.4 to 1.2
0
Copper (Cu), % 97.2 to 99.6
94 to 96
Iron (Fe), % 0 to 0.15
0 to 0.050
Lead (Pb), % 0
0 to 0.050
Lithium (Li), % 0 to 0.050
0
Phosphorus (P), % 0 to 0.050
0
Silicon (Si), % 0 to 0.1
0
Tin (Sn), % 0
0.7 to 1.3
Zinc (Zn), % 0 to 0.7
2.1 to 5.3
Residuals, % 0
0 to 0.5