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Type 3 Magnetic Alloy vs. 7116 Aluminum

Type 3 magnetic alloy belongs to the nickel alloys classification, while 7116 aluminum belongs to the aluminum alloys. There are 28 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 3 magnetic alloy and the bottom bar is 7116 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
69
Elongation at Break, % 43
7.8
Fatigue Strength, MPa 170
160
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 70
26
Shear Strength, MPa 380
220
Tensile Strength: Ultimate (UTS), MPa 550
370
Tensile Strength: Yield (Proof), MPa 210
330

Thermal Properties

Latent Heat of Fusion, J/g 290
380
Maximum Temperature: Mechanical, °C 910
170
Melting Completion (Liquidus), °C 1370
640
Melting Onset (Solidus), °C 1320
520
Specific Heat Capacity, J/kg-K 450
880
Thermal Expansion, µm/m-K 12
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
46
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
140

Otherwise Unclassified Properties

Base Metal Price, % relative 55
9.5
Density, g/cm3 8.7
2.9
Embodied Carbon, kg CO2/kg material 8.7
8.2
Embodied Energy, MJ/kg 120
150
Embodied Water, L/kg 220
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
28
Resilience: Unit (Modulus of Resilience), kJ/m3 120
790
Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 22
47
Strength to Weight: Axial, points 18
35
Strength to Weight: Bending, points 17
39
Thermal Shock Resistance, points 18
16

Alloy Composition


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Aluminum (Al), % 0
91.5 to 94.5
Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 2.0 to 3.0
0
Cobalt (Co), % 0 to 0.5
0
Copper (Cu), % 4.0 to 6.0
0.5 to 1.1
Gallium (Ga), % 0
0 to 0.030
Iron (Fe), % 9.9 to 19
0 to 0.3
Magnesium (Mg), % 0
0.8 to 1.4
Manganese (Mn), % 0 to 1.5
0 to 0.050
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 75 to 78
0
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0 to 0.5
0 to 0.15
Sulfur (S), % 0 to 0.020
0
Titanium (Ti), % 0
0 to 0.050
Vanadium (V), % 0
0 to 0.050
Zinc (Zn), % 0
4.2 to 5.2
Residuals, % 0
0 to 0.15