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Type 3 Magnetic Alloy vs. 4104 Aluminum

Type 3 magnetic alloy belongs to the nickel alloys classification, while 4104 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 4104 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
71
Elongation at Break, % 43
2.4
Fatigue Strength, MPa 170
42
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 70
27
Shear Strength, MPa 380
63
Tensile Strength: Ultimate (UTS), MPa 550
110
Tensile Strength: Yield (Proof), MPa 210
60

Thermal Properties

Latent Heat of Fusion, J/g 290
540
Maximum Temperature: Mechanical, °C 910
160
Melting Completion (Liquidus), °C 1370
600
Melting Onset (Solidus), °C 1320
560
Specific Heat Capacity, J/kg-K 450
900
Thermal Expansion, µm/m-K 12
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
33
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
120

Otherwise Unclassified Properties

Base Metal Price, % relative 55
9.5
Density, g/cm3 8.7
2.6
Embodied Carbon, kg CO2/kg material 8.7
8.0
Embodied Energy, MJ/kg 120
150
Embodied Water, L/kg 220
1080

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
2.3
Resilience: Unit (Modulus of Resilience), kJ/m3 120
25
Stiffness to Weight: Axial, points 12
15
Stiffness to Weight: Bending, points 22
54
Strength to Weight: Axial, points 18
12
Strength to Weight: Bending, points 17
20
Thermal Shock Resistance, points 18
5.1

Alloy Composition

Aluminum (Al), % 0
85.8 to 90
Bismuth (Bi), % 0
0.020 to 0.2
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 to 0.25
Iron (Fe), % 9.9 to 19
0 to 0.8
Magnesium (Mg), % 0
1.0 to 2.0
Manganese (Mn), % 0 to 1.5
0 to 0.1
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
9.0 to 10.5
Sulfur (S), % 0 to 0.020
0
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0
0 to 0.15