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CR021A Copper vs. Nickel 825

CR021A copper belongs to the copper alloys classification, while nickel 825 belongs to the nickel alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is CR021A copper and the bottom bar is nickel 825.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 15
34
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
78
Tensile Strength: Ultimate (UTS), MPa 230
650
Tensile Strength: Yield (Proof), MPa 140
260

Thermal Properties

Latent Heat of Fusion, J/g 210
300
Maximum Temperature: Mechanical, °C 200
980
Melting Completion (Liquidus), °C 1090
1400
Melting Onset (Solidus), °C 1040
1370
Specific Heat Capacity, J/kg-K 390
460
Thermal Conductivity, W/m-K 380
11
Thermal Expansion, µm/m-K 17
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 98
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 99
1.7

Otherwise Unclassified Properties

Base Metal Price, % relative 31
41
Density, g/cm3 9.0
8.2
Embodied Carbon, kg CO2/kg material 2.6
7.2
Embodied Energy, MJ/kg 41
100
Embodied Water, L/kg 320
230

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
180
Resilience: Unit (Modulus of Resilience), kJ/m3 83
170
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 7.1
22
Strength to Weight: Bending, points 9.3
20
Thermal Diffusivity, mm2/s 110
2.9
Thermal Shock Resistance, points 8.1
17

Alloy Composition

Aluminum (Al), % 0
0 to 0.2
Bismuth (Bi), % 0 to 0.00050
0
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
19.5 to 23.5
Copper (Cu), % 99.95 to 99.998
1.5 to 3.0
Iron (Fe), % 0
22 to 37.9
Lead (Pb), % 0 to 0.0050
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
2.5 to 3.5
Nickel (Ni), % 0
38 to 46
Phosphorus (P), % 0.0020 to 0.0070
0
Silicon (Si), % 0
0 to 0.050
Silver (Ag), % 0 to 0.015
0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0
0.6 to 1.2