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C55284 Copper vs. CR020A Copper

Both C55284 copper and CR020A 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 C55284 copper and the bottom bar is CR020A copper.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition


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