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CR024A Copper vs. CC381H Copper-nickel

Both CR024A copper and CC381H copper-nickel are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 67% 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 CR024A copper and the bottom bar is CC381H copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
140
Elongation at Break, % 15
20
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 43
52
Tensile Strength: Ultimate (UTS), MPa 230
380
Tensile Strength: Yield (Proof), MPa 140
140

Thermal Properties

Latent Heat of Fusion, J/g 210
240
Maximum Temperature: Mechanical, °C 200
260
Melting Completion (Liquidus), °C 1090
1180
Melting Onset (Solidus), °C 1040
1120
Specific Heat Capacity, J/kg-K 390
410
Thermal Conductivity, W/m-K 370
30
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
6.8
Electrical Conductivity: Equal Weight (Specific), % IACS 100
6.9

Otherwise Unclassified Properties

Base Metal Price, % relative 31
40
Density, g/cm3 9.0
8.9
Embodied Carbon, kg CO2/kg material 2.6
5.0
Embodied Energy, MJ/kg 41
73
Embodied Water, L/kg 320
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
60
Resilience: Unit (Modulus of Resilience), kJ/m3 83
68
Stiffness to Weight: Axial, points 7.2
8.6
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 7.1
12
Strength to Weight: Bending, points 9.3
13
Thermal Diffusivity, mm2/s 110
8.4
Thermal Shock Resistance, points 8.1
13

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Carbon (C), % 0
0 to 0.030
Copper (Cu), % 99.9 to 99.985
64.5 to 69.9
Iron (Fe), % 0
0.5 to 1.5
Lead (Pb), % 0
0 to 0.030
Manganese (Mn), % 0
0.6 to 1.2
Nickel (Ni), % 0
29 to 31
Phosphorus (P), % 0.015 to 0.040
0 to 0.010
Silicon (Si), % 0
0 to 0.1
Silver (Ag), % 0 to 0.015
0
Sulfur (S), % 0
0 to 0.010
Zinc (Zn), % 0
0 to 0.5