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CR012A Copper vs. Type 3 Magnetic Alloy

CR012A copper belongs to the copper alloys classification, while Type 3 magnetic alloy 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 CR012A copper and the bottom bar is Type 3 magnetic alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
180
Elongation at Break, % 15
43
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 43
70
Tensile Strength: Ultimate (UTS), MPa 220
550
Tensile Strength: Yield (Proof), MPa 130
210

Thermal Properties

Latent Heat of Fusion, J/g 210
290
Maximum Temperature: Mechanical, °C 200
910
Melting Completion (Liquidus), °C 1090
1370
Melting Onset (Solidus), °C 1040
1320
Specific Heat Capacity, J/kg-K 390
450
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 100
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 33
55
Density, g/cm3 9.0
8.7
Embodied Carbon, kg CO2/kg material 2.7
8.7
Embodied Energy, MJ/kg 42
120
Embodied Water, L/kg 360
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
190
Resilience: Unit (Modulus of Resilience), kJ/m3 76
120
Stiffness to Weight: Axial, points 7.2
12
Stiffness to Weight: Bending, points 18
22
Strength to Weight: Axial, points 6.8
18
Strength to Weight: Bending, points 9.0
17
Thermal Shock Resistance, points 7.8
18

Alloy Composition

Bismuth (Bi), % 0 to 0.00050
0
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
2.0 to 3.0
Cobalt (Co), % 0
0 to 0.5
Copper (Cu), % 99.85 to 99.94
4.0 to 6.0
Iron (Fe), % 0
9.9 to 19
Manganese (Mn), % 0
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
75 to 78
Oxygen (O), % 0 to 0.040
0
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0
0 to 0.5
Silver (Ag), % 0.060 to 0.080
0
Sulfur (S), % 0
0 to 0.020