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CR019A Copper vs. CC212E Bronze

Both CR019A copper and CC212E bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 73% of their average alloy composition in common. There are 26 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 CR019A copper and the bottom bar is CC212E bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
130
Elongation at Break, % 15
20
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 43
47
Tensile Strength: Ultimate (UTS), MPa 220
710
Tensile Strength: Yield (Proof), MPa 130
310

Thermal Properties

Latent Heat of Fusion, J/g 210
230
Maximum Temperature: Mechanical, °C 200
220
Melting Completion (Liquidus), °C 1090
1080
Melting Onset (Solidus), °C 1040
1020
Specific Heat Capacity, J/kg-K 390
440
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 100
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 35
27
Density, g/cm3 9.0
8.2
Embodied Carbon, kg CO2/kg material 2.7
3.4
Embodied Energy, MJ/kg 42
55
Embodied Water, L/kg 390
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
120
Resilience: Unit (Modulus of Resilience), kJ/m3 76
390
Stiffness to Weight: Axial, points 7.2
8.5
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 6.8
24
Strength to Weight: Bending, points 9.0
21
Thermal Shock Resistance, points 7.8
22

Alloy Composition

Aluminum (Al), % 0
7.0 to 9.0
Bismuth (Bi), % 0 to 0.00050
0
Copper (Cu), % 99.874 to 99.92
68 to 77
Iron (Fe), % 0
2.0 to 4.0
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0
0 to 0.050
Manganese (Mn), % 0
8.0 to 15
Nickel (Ni), % 0
1.5 to 4.5
Silicon (Si), % 0
0 to 0.1
Silver (Ag), % 0.080 to 0.12
0
Tin (Sn), % 0
0 to 0.5
Zinc (Zn), % 0
0 to 1.0