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C72200 Copper-nickel vs. Nickel 725

C72200 copper-nickel belongs to the copper alloys classification, while nickel 725 belongs to the nickel alloys. There are 22 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is C72200 copper-nickel and the bottom bar is nickel 725.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 130
200
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 48
78
Tensile Strength: Ultimate (UTS), MPa 350 to 580
860

Thermal Properties

Latent Heat of Fusion, J/g 220
320
Maximum Temperature: Mechanical, °C 230
980
Melting Completion (Liquidus), °C 1180
1340
Melting Onset (Solidus), °C 1120
1270
Specific Heat Capacity, J/kg-K 400
440
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.5
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 6.6
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 36
75
Density, g/cm3 8.9
8.5
Embodied Carbon, kg CO2/kg material 3.9
13
Embodied Energy, MJ/kg 59
190
Embodied Water, L/kg 300
270

Common Calculations

Stiffness to Weight: Axial, points 8.0
13
Stiffness to Weight: Bending, points 19
23
Strength to Weight: Axial, points 11 to 18
28
Strength to Weight: Bending, points 12 to 17
24
Thermal Shock Resistance, points 12 to 20
23

Alloy Composition

Aluminum (Al), % 0
0 to 0.35
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0.3 to 0.7
19 to 22.5
Copper (Cu), % 78.1 to 84.2
0
Iron (Fe), % 0.5 to 1.0
2.3 to 15.3
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0 to 1.0
0 to 0.35
Molybdenum (Mo), % 0
7.0 to 9.5
Nickel (Ni), % 15 to 18
55 to 59
Niobium (Nb), % 0
2.8 to 4.0
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0
0 to 0.2
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0
1.0 to 1.7
Zinc (Zn), % 0 to 1.0
0
Residuals, % 0 to 0.2
0