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CR019A Copper vs. CC331G Bronze

Both CR019A copper and CC331G bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 85% of their average alloy composition in common. There are 28 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 CR019A copper and the bottom bar is CC331G bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 15
20
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 43
43
Tensile Strength: Ultimate (UTS), MPa 220
620
Tensile Strength: Yield (Proof), MPa 130
240

Thermal Properties

Latent Heat of Fusion, J/g 210
230
Maximum Temperature: Mechanical, °C 200
220
Melting Completion (Liquidus), °C 1090
1060
Melting Onset (Solidus), °C 1040
1000
Specific Heat Capacity, J/kg-K 390
440
Thermal Conductivity, W/m-K 390
61
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
13
Electrical Conductivity: Equal Weight (Specific), % IACS 100
14

Otherwise Unclassified Properties

Base Metal Price, % relative 35
28
Density, g/cm3 9.0
8.3
Embodied Carbon, kg CO2/kg material 2.7
3.2
Embodied Energy, MJ/kg 42
53
Embodied Water, L/kg 390
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
97
Resilience: Unit (Modulus of Resilience), kJ/m3 76
250
Stiffness to Weight: Axial, points 7.2
7.6
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 6.8
21
Strength to Weight: Bending, points 9.0
19
Thermal Diffusivity, mm2/s 110
17
Thermal Shock Resistance, points 7.8
22

Alloy Composition

Aluminum (Al), % 0
8.5 to 10.5
Bismuth (Bi), % 0 to 0.00050
0
Copper (Cu), % 99.874 to 99.92
83 to 86.5
Iron (Fe), % 0
1.5 to 3.5
Lead (Pb), % 0
0 to 0.1
Magnesium (Mg), % 0
0 to 0.050
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
0 to 1.5
Silicon (Si), % 0
0 to 0.2
Silver (Ag), % 0.080 to 0.12
0
Tin (Sn), % 0
0 to 0.2
Zinc (Zn), % 0
0 to 0.5