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C70700 Copper-nickel vs. Type 1 Magnetic Alloy

C70700 copper-nickel belongs to the copper alloys classification, while Type 1 magnetic alloy belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C70700 copper-nickel and the bottom bar is Type 1 magnetic alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 39
4.0 to 38
Poisson's Ratio 0.34
0.3
Shear Modulus, GPa 46
72
Tensile Strength: Ultimate (UTS), MPa 320
500 to 830
Tensile Strength: Yield (Proof), MPa 110
220 to 790

Thermal Properties

Latent Heat of Fusion, J/g 220
270
Melting Completion (Liquidus), °C 1120
1420
Melting Onset (Solidus), °C 1060
1370
Specific Heat Capacity, J/kg-K 390
460
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
3.1
Electrical Conductivity: Equal Weight (Specific), % IACS 12
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 34
31
Density, g/cm3 8.9
8.3
Embodied Carbon, kg CO2/kg material 3.4
5.6
Embodied Energy, MJ/kg 52
77
Embodied Water, L/kg 300
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
33 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 51
130 to 1690
Stiffness to Weight: Axial, points 7.6
12
Stiffness to Weight: Bending, points 19
23
Strength to Weight: Axial, points 10
17 to 28
Strength to Weight: Bending, points 12
17 to 24
Thermal Shock Resistance, points 12
16 to 26

Alloy Composition

Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
0 to 0.3
Cobalt (Co), % 0
0 to 0.5
Copper (Cu), % 88.5 to 90.5
0 to 0.3
Iron (Fe), % 0 to 0.050
50.7 to 56.5
Manganese (Mn), % 0 to 0.5
0 to 0.8
Molybdenum (Mo), % 0
0 to 0.3
Nickel (Ni), % 9.5 to 10.5
43.5 to 46.5
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.030
Residuals, % 0 to 0.5
0