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CR021A Copper vs. C65500 Bronze

Both CR021A copper and C65500 bronze are copper alloys. They have a moderately high 94% 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 CR021A copper and the bottom bar is C65500 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Elongation at Break, % 15
4.0 to 70
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 43
43
Tensile Strength: Ultimate (UTS), MPa 230
360 to 760
Tensile Strength: Yield (Proof), MPa 140
120 to 430

Thermal Properties

Latent Heat of Fusion, J/g 210
260
Maximum Temperature: Mechanical, °C 200
200
Melting Completion (Liquidus), °C 1090
1030
Melting Onset (Solidus), °C 1040
970
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 380
36
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 98
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 99
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 31
29
Density, g/cm3 9.0
8.6
Embodied Carbon, kg CO2/kg material 2.6
2.7
Embodied Energy, MJ/kg 41
42
Embodied Water, L/kg 320
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
11 to 450
Resilience: Unit (Modulus of Resilience), kJ/m3 83
62 to 790
Stiffness to Weight: Axial, points 7.2
7.5
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 7.1
12 to 24
Strength to Weight: Bending, points 9.3
13 to 21
Thermal Diffusivity, mm2/s 110
10
Thermal Shock Resistance, points 8.1
12 to 26

Alloy Composition

Bismuth (Bi), % 0 to 0.00050
0
Copper (Cu), % 99.95 to 99.998
91.5 to 96.7
Iron (Fe), % 0
0 to 0.8
Lead (Pb), % 0 to 0.0050
0 to 0.050
Manganese (Mn), % 0
0.5 to 1.3
Nickel (Ni), % 0
0 to 0.6
Phosphorus (P), % 0.0020 to 0.0070
0
Silicon (Si), % 0
2.8 to 3.8
Silver (Ag), % 0 to 0.015
0
Zinc (Zn), % 0
0 to 1.5
Residuals, % 0
0 to 0.5