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CR020A Copper vs. C54400 Bronze

Both CR020A copper and C54400 bronze are copper alloys. They have 88% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is CR020A copper and the bottom bar is C54400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 43
40
Tensile Strength: Ultimate (UTS), MPa 220
330 to 720

Thermal Properties

Latent Heat of Fusion, J/g 210
190
Maximum Temperature: Mechanical, °C 200
170
Melting Completion (Liquidus), °C 1090
1000
Melting Onset (Solidus), °C 1040
930
Specific Heat Capacity, J/kg-K 390
370
Thermal Conductivity, W/m-K 380
86
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
19
Electrical Conductivity: Equal Weight (Specific), % IACS 100
19

Otherwise Unclassified Properties

Base Metal Price, % relative 31
31
Density, g/cm3 9.0
8.9
Embodied Carbon, kg CO2/kg material 2.6
2.9
Embodied Energy, MJ/kg 41
48
Embodied Water, L/kg 320
340

Common Calculations

Stiffness to Weight: Axial, points 7.2
6.8
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 6.8
10 to 22
Strength to Weight: Bending, points 9.0
12 to 20
Thermal Diffusivity, mm2/s 110
26
Thermal Shock Resistance, points 7.8
12 to 26

Alloy Composition


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Bismuth (Bi), % 0 to 0.00050
0
Copper (Cu), % 99.95 to 99.999
85.4 to 91.5
Iron (Fe), % 0
0 to 0.1
Lead (Pb), % 0 to 0.0050
3.5 to 4.5
Phosphorus (P), % 0.0010 to 0.0060
0.010 to 0.5
Silver (Ag), % 0 to 0.015
0
Tin (Sn), % 0
3.5 to 4.5
Zinc (Zn), % 0
1.5 to 4.5
Residuals, % 0
0 to 0.5