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CC381H Copper-nickel vs. CR012A Copper

Both CC381H copper-nickel and CR012A copper 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 CC381H copper-nickel and the bottom bar is CR012A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
120
Elongation at Break, % 20
15
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 52
43
Tensile Strength: Ultimate (UTS), MPa 380
220
Tensile Strength: Yield (Proof), MPa 140
130

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 40
33
Density, g/cm3 8.9
9.0
Embodied Carbon, kg CO2/kg material 5.0
2.7
Embodied Energy, MJ/kg 73
42
Embodied Water, L/kg 280
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 60
29
Resilience: Unit (Modulus of Resilience), kJ/m3 68
76
Stiffness to Weight: Axial, points 8.6
7.2
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 12
6.8
Strength to Weight: Bending, points 13
9.0
Thermal Diffusivity, mm2/s 8.4
110
Thermal Shock Resistance, points 13
7.8

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Bismuth (Bi), % 0
0 to 0.00050
Carbon (C), % 0 to 0.030
0
Copper (Cu), % 64.5 to 69.9
99.85 to 99.94
Iron (Fe), % 0.5 to 1.5
0
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0.6 to 1.2
0
Nickel (Ni), % 29 to 31
0
Oxygen (O), % 0
0 to 0.040
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0 to 0.1
0
Silver (Ag), % 0
0.060 to 0.080
Sulfur (S), % 0 to 0.010
0
Zinc (Zn), % 0 to 0.5
0