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CR020A Copper vs. C55284 Copper

Both CR020A copper and C55284 copper are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 80% of their average alloy composition in common. There are 18 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is CR020A copper and the bottom bar is C55284 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
100
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 43
38
Tensile Strength: Ultimate (UTS), MPa 220
180

Thermal Properties

Latent Heat of Fusion, J/g 210
180
Maximum Temperature: Mechanical, °C 200
200
Melting Completion (Liquidus), °C 1090
800
Melting Onset (Solidus), °C 1040
640
Specific Heat Capacity, J/kg-K 390
380
Thermal Expansion, µm/m-K 17
17

Otherwise Unclassified Properties

Density, g/cm3 9.0
8.9
Embodied Carbon, kg CO2/kg material 2.6
16
Embodied Energy, MJ/kg 41
260

Common Calculations

Stiffness to Weight: Axial, points 7.2
6.5
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 6.8
5.6
Strength to Weight: Bending, points 9.0
8.0
Thermal Shock Resistance, points 7.8
7.4

Alloy Composition


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Bismuth (Bi), % 0 to 0.00050
0
Copper (Cu), % 99.95 to 99.999
79.2 to 80.7
Lead (Pb), % 0 to 0.0050
0
Phosphorus (P), % 0.0010 to 0.0060
4.8 to 5.2
Silver (Ag), % 0 to 0.015
14.5 to 15.5
Residuals, % 0
0 to 0.15