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C81400 Copper vs. Nickel 685

C81400 copper belongs to the copper alloys classification, while nickel 685 belongs to the nickel alloys. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C81400 copper and the bottom bar is nickel 685.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 11
17
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 41
77
Tensile Strength: Ultimate (UTS), MPa 370
1250
Tensile Strength: Yield (Proof), MPa 250
850

Thermal Properties

Latent Heat of Fusion, J/g 210
320
Maximum Temperature: Mechanical, °C 200
1000
Melting Completion (Liquidus), °C 1090
1380
Melting Onset (Solidus), °C 1070
1330
Specific Heat Capacity, J/kg-K 390
460
Thermal Conductivity, W/m-K 260
13
Thermal Expansion, µm/m-K 17
12

Otherwise Unclassified Properties

Base Metal Price, % relative 33
75
Density, g/cm3 8.9
8.4
Embodied Carbon, kg CO2/kg material 2.8
10
Embodied Energy, MJ/kg 45
140
Embodied Water, L/kg 310
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
190
Resilience: Unit (Modulus of Resilience), kJ/m3 260
1820
Stiffness to Weight: Axial, points 7.3
13
Stiffness to Weight: Bending, points 18
23
Strength to Weight: Axial, points 11
42
Strength to Weight: Bending, points 13
31
Thermal Diffusivity, mm2/s 75
3.3
Thermal Shock Resistance, points 13
37

Alloy Composition

Aluminum (Al), % 0
1.2 to 1.6
Beryllium (Be), % 0.020 to 0.1
0
Boron (B), % 0
0.0030 to 0.010
Carbon (C), % 0
0.030 to 0.1
Chromium (Cr), % 0.6 to 1.0
18 to 21
Cobalt (Co), % 0
12 to 15
Copper (Cu), % 98.4 to 99.38
0 to 0.5
Iron (Fe), % 0
0 to 2.0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
3.5 to 5.0
Nickel (Ni), % 0
49.6 to 62.5
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.75
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0
2.8 to 3.3
Zinc (Zn), % 0
0.020 to 0.12
Residuals, % 0 to 0.5
0