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CR021A Copper vs. C55180 Copper

Both CR021A copper and C55180 copper are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have a moderately high 95% 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 CR021A copper and the bottom bar is C55180 copper.

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
41
Tensile Strength: Ultimate (UTS), MPa 230
200
Tensile Strength: Yield (Proof), MPa 140
100

Thermal Properties

Latent Heat of Fusion, J/g 210
200
Maximum Temperature: Mechanical, °C 200
200
Melting Completion (Liquidus), °C 1090
920
Melting Onset (Solidus), °C 1040
710
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 380
200
Thermal Expansion, µm/m-K 17
17

Otherwise Unclassified Properties

Base Metal Price, % relative 31
29
Density, g/cm3 9.0
8.6
Embodied Carbon, kg CO2/kg material 2.6
2.5
Embodied Energy, MJ/kg 41
39
Embodied Water, L/kg 320
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
34
Resilience: Unit (Modulus of Resilience), kJ/m3 83
48
Stiffness to Weight: Axial, points 7.2
7.1
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 7.1
6.4
Strength to Weight: Bending, points 9.3
8.8
Thermal Diffusivity, mm2/s 110
56
Thermal Shock Resistance, points 8.1
7.9

Alloy Composition

Bismuth (Bi), % 0 to 0.00050
0
Copper (Cu), % 99.95 to 99.998
94.7 to 95.2
Lead (Pb), % 0 to 0.0050
0
Phosphorus (P), % 0.0020 to 0.0070
4.8 to 5.2
Silver (Ag), % 0 to 0.015
0
Residuals, % 0
0 to 0.15