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CR021A Copper vs. Nickel 690

CR021A copper belongs to the copper alloys classification, while nickel 690 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 CR021A copper and the bottom bar is nickel 690.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 15
3.4 to 34
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
79
Tensile Strength: Ultimate (UTS), MPa 230
640 to 990
Tensile Strength: Yield (Proof), MPa 140
250 to 760

Thermal Properties

Latent Heat of Fusion, J/g 210
320
Maximum Temperature: Mechanical, °C 200
1010
Melting Completion (Liquidus), °C 1090
1380
Melting Onset (Solidus), °C 1040
1340
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 380
14
Thermal Expansion, µm/m-K 17
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 98
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 99
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 31
50
Density, g/cm3 9.0
8.3
Embodied Carbon, kg CO2/kg material 2.6
8.2
Embodied Energy, MJ/kg 41
120
Embodied Water, L/kg 320
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
31 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 83
160 to 1440
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 7.1
21 to 33
Strength to Weight: Bending, points 9.3
20 to 27
Thermal Diffusivity, mm2/s 110
3.5
Thermal Shock Resistance, points 8.1
16 to 25

Alloy Composition

Bismuth (Bi), % 0 to 0.00050
0
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
27 to 31
Copper (Cu), % 99.95 to 99.998
0 to 0.5
Iron (Fe), % 0
7.0 to 11
Lead (Pb), % 0 to 0.0050
0
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0
58 to 66
Phosphorus (P), % 0.0020 to 0.0070
0
Silicon (Si), % 0
0 to 0.5
Silver (Ag), % 0 to 0.015
0
Sulfur (S), % 0
0 to 0.015