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CR018A Copper vs. Nickel 685

CR018A 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 (6, in this case) are not shown.

For each property being compared, the top bar is CR018A 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, % 15
17
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
77
Tensile Strength: Ultimate (UTS), MPa 220
1250
Tensile Strength: Yield (Proof), MPa 130
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 1040
1330
Specific Heat Capacity, J/kg-K 390
460
Thermal Conductivity, W/m-K 390
13
Thermal Expansion, µm/m-K 17
12

Otherwise Unclassified Properties

Base Metal Price, % relative 33
75
Density, g/cm3 9.0
8.4
Embodied Carbon, kg CO2/kg material 2.7
10
Embodied Energy, MJ/kg 42
140
Embodied Water, L/kg 360
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
190
Resilience: Unit (Modulus of Resilience), kJ/m3 76
1820
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 18
23
Strength to Weight: Axial, points 6.8
42
Strength to Weight: Bending, points 9.0
31
Thermal Diffusivity, mm2/s 110
3.3
Thermal Shock Resistance, points 7.8
37

Alloy Composition

Aluminum (Al), % 0
1.2 to 1.6
Bismuth (Bi), % 0 to 0.00050
0
Boron (B), % 0
0.0030 to 0.010
Carbon (C), % 0
0.030 to 0.1
Chromium (Cr), % 0
18 to 21
Cobalt (Co), % 0
12 to 15
Copper (Cu), % 99.914 to 99.94
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
Silver (Ag), % 0.060 to 0.080
0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0
2.8 to 3.3
Zinc (Zn), % 0
0.020 to 0.12