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C70700 Copper-nickel vs. Grade M35-1 Nickel

C70700 copper-nickel belongs to the copper alloys classification, while grade M35-1 nickel belongs to the nickel alloys. They have a modest 40% of their average alloy composition in common, which, by itself, doesn't mean much. 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 C70700 copper-nickel and the bottom bar is grade M35-1 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
160
Elongation at Break, % 39
28
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 46
62
Tensile Strength: Ultimate (UTS), MPa 320
500
Tensile Strength: Yield (Proof), MPa 110
190

Thermal Properties

Latent Heat of Fusion, J/g 220
280
Maximum Temperature: Mechanical, °C 220
900
Melting Completion (Liquidus), °C 1120
1280
Melting Onset (Solidus), °C 1060
1240
Specific Heat Capacity, J/kg-K 390
430
Thermal Conductivity, W/m-K 59
22
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
3.3
Electrical Conductivity: Equal Weight (Specific), % IACS 12
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 34
55
Density, g/cm3 8.9
8.8
Embodied Carbon, kg CO2/kg material 3.4
8.2
Embodied Energy, MJ/kg 52
120
Embodied Water, L/kg 300
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
110
Resilience: Unit (Modulus of Resilience), kJ/m3 51
120
Stiffness to Weight: Axial, points 7.6
10
Stiffness to Weight: Bending, points 19
21
Strength to Weight: Axial, points 10
16
Strength to Weight: Bending, points 12
16
Thermal Diffusivity, mm2/s 17
5.7
Thermal Shock Resistance, points 12
17

Alloy Composition

Carbon (C), % 0
0 to 0.35
Copper (Cu), % 88.5 to 90.5
26 to 33
Iron (Fe), % 0 to 0.050
0 to 3.5
Manganese (Mn), % 0 to 0.5
0 to 1.5
Nickel (Ni), % 9.5 to 10.5
59.8 to 74
Niobium (Nb), % 0
0 to 0.5
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 1.3
Sulfur (S), % 0
0 to 0.030
Residuals, % 0 to 0.5
0