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CC381H Copper-nickel vs. C18400 Copper

Both CC381H copper-nickel and C18400 copper are copper alloys. They have 68% of their average alloy composition in common. There are 28 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 CC381H copper-nickel and the bottom bar is C18400 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
120
Elongation at Break, % 20
13 to 50
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 52
44
Tensile Strength: Ultimate (UTS), MPa 380
270 to 490
Tensile Strength: Yield (Proof), MPa 140
110 to 480

Thermal Properties

Latent Heat of Fusion, J/g 240
210
Maximum Temperature: Mechanical, °C 260
200
Melting Completion (Liquidus), °C 1180
1080
Melting Onset (Solidus), °C 1120
1070
Specific Heat Capacity, J/kg-K 410
390
Thermal Conductivity, W/m-K 30
320
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.8
80
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
81

Otherwise Unclassified Properties

Base Metal Price, % relative 40
31
Density, g/cm3 8.9
8.9
Embodied Carbon, kg CO2/kg material 5.0
2.6
Embodied Energy, MJ/kg 73
41
Embodied Water, L/kg 280
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 60
63 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 68
54 to 980
Stiffness to Weight: Axial, points 8.6
7.3
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 12
8.5 to 15
Strength to Weight: Bending, points 13
10 to 16
Thermal Diffusivity, mm2/s 8.4
94
Thermal Shock Resistance, points 13
9.6 to 17

Alloy Composition


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Aluminum (Al), % 0 to 0.010
0
Arsenic (As), % 0
0 to 0.0050
Calcium (Ca), % 0
0 to 0.0050
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 0
0.4 to 1.2
Copper (Cu), % 64.5 to 69.9
97.2 to 99.6
Iron (Fe), % 0.5 to 1.5
0 to 0.15
Lead (Pb), % 0 to 0.030
0
Lithium (Li), % 0
0 to 0.050
Manganese (Mn), % 0.6 to 1.2
0
Nickel (Ni), % 29 to 31
0
Phosphorus (P), % 0 to 0.010
0 to 0.050
Silicon (Si), % 0 to 0.1
0 to 0.1
Sulfur (S), % 0 to 0.010
0
Zinc (Zn), % 0 to 0.5
0 to 0.7
Residuals, % 0
0 to 0.5