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C70700 Copper-nickel vs. EN 2.4680 Cast Nickel

C70700 copper-nickel belongs to the copper alloys classification, while EN 2.4680 cast nickel belongs to the nickel alloys. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C70700 copper-nickel and the bottom bar is EN 2.4680 cast nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
210
Elongation at Break, % 39
9.1
Poisson's Ratio 0.34
0.26
Shear Modulus, GPa 46
84
Tensile Strength: Ultimate (UTS), MPa 320
600
Tensile Strength: Yield (Proof), MPa 110
260

Thermal Properties

Latent Heat of Fusion, J/g 220
350
Maximum Temperature: Mechanical, °C 220
1050
Melting Completion (Liquidus), °C 1120
1360
Melting Onset (Solidus), °C 1060
1320
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 59
14
Thermal Expansion, µm/m-K 16
15

Otherwise Unclassified Properties

Base Metal Price, % relative 34
60
Density, g/cm3 8.9
8.0
Embodied Carbon, kg CO2/kg material 3.4
9.1
Embodied Energy, MJ/kg 52
130
Embodied Water, L/kg 300
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
45
Resilience: Unit (Modulus of Resilience), kJ/m3 51
160
Stiffness to Weight: Axial, points 7.6
15
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 10
21
Strength to Weight: Bending, points 12
20
Thermal Diffusivity, mm2/s 17
3.7
Thermal Shock Resistance, points 12
14

Alloy Composition

Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0
48 to 52
Copper (Cu), % 88.5 to 90.5
0
Iron (Fe), % 0 to 0.050
0 to 1.0
Manganese (Mn), % 0 to 0.5
0 to 0.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 9.5 to 10.5
42.9 to 51
Niobium (Nb), % 0
1.0 to 1.8
Nitrogen (N), % 0
0 to 0.16
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.020
Residuals, % 0 to 0.5
0