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CC381H Copper-nickel vs. C81500 Copper

Both CC381H copper-nickel and C81500 copper are copper alloys. They have 67% of their average alloy composition in common.

For each property being compared, the top bar is CC381H copper-nickel and the bottom bar is C81500 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 91
110
Elastic (Young's, Tensile) Modulus, GPa 140
120
Elongation at Break, % 20
17
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 52
44
Tensile Strength: Ultimate (UTS), MPa 380
350
Tensile Strength: Yield (Proof), MPa 140
280

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
1080
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
82
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
83

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
56
Resilience: Unit (Modulus of Resilience), kJ/m3 68
330
Stiffness to Weight: Axial, points 8.6
7.3
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 12
11
Strength to Weight: Bending, points 13
12
Thermal Diffusivity, mm2/s 8.4
91
Thermal Shock Resistance, points 13
12

Alloy Composition


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Aluminum (Al), % 0 to 0.010
0 to 0.1
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 0
0.4 to 1.5
Copper (Cu), % 64.5 to 69.9
97.4 to 99.6
Iron (Fe), % 0.5 to 1.5
0 to 0.1
Lead (Pb), % 0 to 0.030
0 to 0.020
Manganese (Mn), % 0.6 to 1.2
0
Nickel (Ni), % 29 to 31
0
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0 to 0.1
0 to 0.15
Sulfur (S), % 0 to 0.010
0
Tin (Sn), % 0
0 to 0.1
Zinc (Zn), % 0 to 0.5
0 to 0.1
Residuals, % 0
0 to 0.5