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CR020A Copper vs. C63800 Bronze

Both CR020A copper and C63800 bronze are copper alloys. They have a moderately high 94% of their average alloy composition in common. There are 25 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 C63800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 15
7.9 to 41
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 43
43
Tensile Strength: Ultimate (UTS), MPa 220
460 to 1010

Thermal Properties

Latent Heat of Fusion, J/g 210
240
Maximum Temperature: Mechanical, °C 200
200
Melting Completion (Liquidus), °C 1090
1030
Melting Onset (Solidus), °C 1040
1000
Specific Heat Capacity, J/kg-K 390
410
Thermal Conductivity, W/m-K 380
40
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
10
Electrical Conductivity: Equal Weight (Specific), % IACS 100
10

Otherwise Unclassified Properties

Base Metal Price, % relative 31
30
Density, g/cm3 9.0
8.6
Embodied Carbon, kg CO2/kg material 2.6
2.8
Embodied Energy, MJ/kg 41
45
Embodied Water, L/kg 320
330

Common Calculations

Stiffness to Weight: Axial, points 7.2
7.4
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 6.8
15 to 33
Strength to Weight: Bending, points 9.0
15 to 26
Thermal Diffusivity, mm2/s 110
11
Thermal Shock Resistance, points 7.8
17 to 36

Alloy Composition

Aluminum (Al), % 0
2.5 to 3.1
Bismuth (Bi), % 0 to 0.00050
0
Cobalt (Co), % 0
0.25 to 0.55
Copper (Cu), % 99.95 to 99.999
92.4 to 95.8
Iron (Fe), % 0
0 to 0.2
Lead (Pb), % 0 to 0.0050
0 to 0.050
Manganese (Mn), % 0
0 to 0.1
Nickel (Ni), % 0
0 to 0.2
Phosphorus (P), % 0.0010 to 0.0060
0
Silicon (Si), % 0
1.5 to 2.1
Silver (Ag), % 0 to 0.015
0
Zinc (Zn), % 0
0 to 0.8
Residuals, % 0
0 to 0.5