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Type 3 Magnetic Alloy vs. 4007 Aluminum

Type 3 magnetic alloy belongs to the nickel alloys classification, while 4007 aluminum belongs to the aluminum alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, 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 4007 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
71
Elongation at Break, % 43
5.1 to 23
Fatigue Strength, MPa 170
46 to 88
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 70
27
Shear Strength, MPa 380
80 to 90
Tensile Strength: Ultimate (UTS), MPa 550
130 to 160
Tensile Strength: Yield (Proof), MPa 210
50 to 120

Thermal Properties

Latent Heat of Fusion, J/g 290
410
Maximum Temperature: Mechanical, °C 910
170
Melting Completion (Liquidus), °C 1370
650
Melting Onset (Solidus), °C 1320
590
Specific Heat Capacity, J/kg-K 450
890
Thermal Expansion, µm/m-K 12
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
42
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
140

Otherwise Unclassified Properties

Base Metal Price, % relative 55
9.5
Density, g/cm3 8.7
2.8
Embodied Carbon, kg CO2/kg material 8.7
8.1
Embodied Energy, MJ/kg 120
150
Embodied Water, L/kg 220
1160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
7.4 to 23
Resilience: Unit (Modulus of Resilience), kJ/m3 120
18 to 110
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 22
49
Strength to Weight: Axial, points 18
12 to 15
Strength to Weight: Bending, points 17
20 to 23
Thermal Shock Resistance, points 18
5.5 to 6.7

Alloy Composition

Aluminum (Al), % 0
94.1 to 97.6
Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 2.0 to 3.0
0.050 to 0.25
Cobalt (Co), % 0 to 0.5
0 to 0.050
Copper (Cu), % 4.0 to 6.0
0 to 0.2
Iron (Fe), % 9.9 to 19
0.4 to 1.0
Magnesium (Mg), % 0
0 to 0.2
Manganese (Mn), % 0 to 1.5
0.8 to 1.5
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 75 to 78
0.15 to 0.7
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0 to 0.5
1.0 to 1.7
Sulfur (S), % 0 to 0.020
0
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15