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C81400 Copper vs. Nickel 686

C81400 copper belongs to the copper alloys classification, while nickel 686 belongs to the nickel alloys. 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 C81400 copper and the bottom bar is nickel 686.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
220
Elongation at Break, % 11
51
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 41
77
Tensile Strength: Ultimate (UTS), MPa 370
780
Tensile Strength: Yield (Proof), MPa 250
350

Thermal Properties

Latent Heat of Fusion, J/g 210
320
Maximum Temperature: Mechanical, °C 200
980
Melting Completion (Liquidus), °C 1090
1380
Melting Onset (Solidus), °C 1070
1340
Specific Heat Capacity, J/kg-K 390
420
Thermal Conductivity, W/m-K 260
9.8
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 60
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 61
1.4

Otherwise Unclassified Properties

Base Metal Price, % relative 33
70
Density, g/cm3 8.9
9.0
Embodied Carbon, kg CO2/kg material 2.8
12
Embodied Energy, MJ/kg 45
170
Embodied Water, L/kg 310
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
320
Resilience: Unit (Modulus of Resilience), kJ/m3 260
280
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 18
22
Strength to Weight: Axial, points 11
24
Strength to Weight: Bending, points 13
21
Thermal Diffusivity, mm2/s 75
2.6
Thermal Shock Resistance, points 13
21

Alloy Composition

Beryllium (Be), % 0.020 to 0.1
0
Carbon (C), % 0
0 to 0.010
Chromium (Cr), % 0.6 to 1.0
19 to 23
Copper (Cu), % 98.4 to 99.38
0
Iron (Fe), % 0
0 to 5.0
Manganese (Mn), % 0
0 to 0.75
Molybdenum (Mo), % 0
15 to 17
Nickel (Ni), % 0
49.5 to 63
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 0.080
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0
0.020 to 0.25
Tungsten (W), % 0
3.0 to 4.4
Residuals, % 0 to 0.5
0