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C71580 Copper-nickel vs. N08221 Nickel

C71580 copper-nickel belongs to the copper alloys classification, while N08221 nickel belongs to the nickel alloys. They have a modest 34% of their average alloy composition in common, which, by itself, doesn't mean much. There are 25 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 C71580 copper-nickel and the bottom bar is N08221 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
200
Elongation at Break, % 40
34
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 51
79
Shear Strength, MPa 230
410
Tensile Strength: Ultimate (UTS), MPa 330
610
Tensile Strength: Yield (Proof), MPa 110
270

Thermal Properties

Latent Heat of Fusion, J/g 230
310
Maximum Temperature: Mechanical, °C 260
980
Melting Completion (Liquidus), °C 1180
1440
Melting Onset (Solidus), °C 1120
1390
Specific Heat Capacity, J/kg-K 400
460
Thermal Expansion, µm/m-K 15
13

Otherwise Unclassified Properties

Base Metal Price, % relative 41
44
Density, g/cm3 8.9
8.3
Embodied Carbon, kg CO2/kg material 5.1
7.9
Embodied Energy, MJ/kg 74
110
Embodied Water, L/kg 280
240

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
170
Resilience: Unit (Modulus of Resilience), kJ/m3 47
170
Stiffness to Weight: Axial, points 8.5
14
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 10
21
Strength to Weight: Bending, points 12
19
Thermal Shock Resistance, points 11
16

Alloy Composition

Aluminum (Al), % 0
0 to 0.2
Carbon (C), % 0 to 0.070
0 to 0.025
Chromium (Cr), % 0
20 to 22
Copper (Cu), % 65.5 to 71
1.5 to 3.0
Iron (Fe), % 0 to 0.5
22 to 33.9
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0 to 0.3
0 to 1.0
Molybdenum (Mo), % 0
5.0 to 6.5
Nickel (Ni), % 29 to 33
39 to 46
Silicon (Si), % 0
0 to 0.050
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0
0.6 to 1.0
Zinc (Zn), % 0 to 0.050
0
Residuals, % 0 to 0.5
0