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C71500 Copper-nickel vs. Type 3 Magnetic Alloy

C71500 copper-nickel belongs to the copper alloys classification, while Type 3 magnetic alloy belongs to the nickel alloys. They have a modest 37% of their average alloy composition in common, which, by itself, doesn't mean much. 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 C71500 copper-nickel and the bottom bar is Type 3 magnetic alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
180
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 52
70
Tensile Strength: Ultimate (UTS), MPa 380 to 620
550

Thermal Properties

Latent Heat of Fusion, J/g 230
290
Maximum Temperature: Mechanical, °C 260
910
Melting Completion (Liquidus), °C 1240
1370
Melting Onset (Solidus), °C 1170
1320
Specific Heat Capacity, J/kg-K 400
450
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.6
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 4.7
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 41
55
Density, g/cm3 8.9
8.7
Embodied Carbon, kg CO2/kg material 5.1
8.7
Embodied Energy, MJ/kg 74
120
Embodied Water, L/kg 280
220

Common Calculations

Stiffness to Weight: Axial, points 8.6
12
Stiffness to Weight: Bending, points 19
22
Strength to Weight: Axial, points 12 to 19
18
Strength to Weight: Bending, points 13 to 18
17
Thermal Shock Resistance, points 12 to 20
18

Alloy Composition


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Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
2.0 to 3.0
Cobalt (Co), % 0
0 to 0.5
Copper (Cu), % 63.5 to 70.6
4.0 to 6.0
Iron (Fe), % 0.4 to 1.0
9.9 to 19
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 29 to 33
75 to 78
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.020
Zinc (Zn), % 0 to 1.0
0
Residuals, % 0 to 0.5
0