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CR020A Copper vs. C65400 Bronze

Both CR020A copper and C65400 bronze are copper alloys. They have a moderately high 95% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is CR020A copper and the bottom bar is C65400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 15
2.6 to 47
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 43
43
Tensile Strength: Ultimate (UTS), MPa 220
500 to 1060
Tensile Strength: Yield (Proof), MPa 130
170 to 910

Thermal Properties

Latent Heat of Fusion, J/g 210
260
Maximum Temperature: Mechanical, °C 200
200
Melting Completion (Liquidus), °C 1090
1020
Melting Onset (Solidus), °C 1040
960
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 380
36
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 100
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 31
31
Density, g/cm3 9.0
8.7
Embodied Carbon, kg CO2/kg material 2.6
2.8
Embodied Energy, MJ/kg 41
45
Embodied Water, L/kg 320
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
10 to 480
Resilience: Unit (Modulus of Resilience), kJ/m3 76
130 to 3640
Stiffness to Weight: Axial, points 7.2
7.3
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 6.8
16 to 34
Strength to Weight: Bending, points 9.0
16 to 27
Thermal Diffusivity, mm2/s 110
10
Thermal Shock Resistance, points 7.8
18 to 39

Alloy Composition


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Bismuth (Bi), % 0 to 0.00050
0
Chromium (Cr), % 0
0.010 to 0.12
Copper (Cu), % 99.95 to 99.999
93.8 to 96.1
Lead (Pb), % 0 to 0.0050
0 to 0.050
Phosphorus (P), % 0.0010 to 0.0060
0
Silicon (Si), % 0
2.7 to 3.4
Silver (Ag), % 0 to 0.015
0
Tin (Sn), % 0
1.2 to 1.9
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.2