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Type 4 Magnetic Alloy vs. EN AC-71100 Aluminum

Type 4 magnetic alloy belongs to the nickel alloys classification, while EN AC-71100 aluminum belongs to the aluminum alloys. There are 27 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is Type 4 magnetic alloy and the bottom bar is EN AC-71100 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
72
Elongation at Break, % 2.0 to 40
1.1
Fatigue Strength, MPa 220 to 400
150
Poisson's Ratio 0.31
0.32
Shear Modulus, GPa 73
27
Tensile Strength: Ultimate (UTS), MPa 620 to 1100
260
Tensile Strength: Yield (Proof), MPa 270 to 1040
230

Thermal Properties

Latent Heat of Fusion, J/g 290
490
Maximum Temperature: Mechanical, °C 900
170
Melting Completion (Liquidus), °C 1420
580
Melting Onset (Solidus), °C 1370
520
Specific Heat Capacity, J/kg-K 440
860
Thermal Expansion, µm/m-K 11
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
32
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
97

Otherwise Unclassified Properties

Base Metal Price, % relative 60
9.5
Density, g/cm3 8.8
2.9
Embodied Carbon, kg CO2/kg material 10
7.4
Embodied Energy, MJ/kg 140
140
Embodied Water, L/kg 210
1010

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22 to 200
2.8
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 2840
360
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 22
47
Strength to Weight: Axial, points 19 to 35
25
Strength to Weight: Bending, points 18 to 27
31
Thermal Shock Resistance, points 21 to 37
12

Alloy Composition

Aluminum (Al), % 0
78.7 to 83.3
Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 0 to 0.3
0
Cobalt (Co), % 0 to 0.5
0
Copper (Cu), % 0 to 0.3
0 to 0.1
Iron (Fe), % 9.5 to 17.5
0 to 0.3
Magnesium (Mg), % 0
0.2 to 0.5
Manganese (Mn), % 0 to 0.8
0 to 0.15
Molybdenum (Mo), % 3.5 to 6.0
0
Nickel (Ni), % 79 to 82
0
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0 to 0.5
7.5 to 9.5
Sulfur (S), % 0 to 0.020
0
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 0
9.0 to 10.5
Residuals, % 0
0 to 0.15