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C70700 Copper-nickel vs. Nickel 693

C70700 copper-nickel belongs to the copper alloys classification, while nickel 693 belongs to the nickel alloys. There are 27 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 C70700 copper-nickel and the bottom bar is nickel 693.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 39
34
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 46
76
Shear Strength, MPa 220
440
Tensile Strength: Ultimate (UTS), MPa 320
660
Tensile Strength: Yield (Proof), MPa 110
310

Thermal Properties

Latent Heat of Fusion, J/g 220
330
Maximum Temperature: Mechanical, °C 220
1010
Melting Completion (Liquidus), °C 1120
1350
Melting Onset (Solidus), °C 1060
1310
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 59
9.1
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 34
60
Density, g/cm3 8.9
8.1
Embodied Carbon, kg CO2/kg material 3.4
9.9
Embodied Energy, MJ/kg 52
140
Embodied Water, L/kg 300
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
190
Resilience: Unit (Modulus of Resilience), kJ/m3 51
250
Stiffness to Weight: Axial, points 7.6
13
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 10
23
Strength to Weight: Bending, points 12
21
Thermal Diffusivity, mm2/s 17
2.3
Thermal Shock Resistance, points 12
19

Alloy Composition

Aluminum (Al), % 0
2.5 to 4.0
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0
27 to 31
Copper (Cu), % 88.5 to 90.5
0 to 0.5
Iron (Fe), % 0 to 0.050
2.5 to 6.0
Manganese (Mn), % 0 to 0.5
0 to 1.0
Nickel (Ni), % 9.5 to 10.5
53.3 to 67.5
Niobium (Nb), % 0
0.5 to 2.5
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0
0 to 1.0
Residuals, % 0 to 0.5
0