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3105 Aluminum vs. Type 2 Magnetic Alloy

3105 aluminum belongs to the aluminum alloys classification, while Type 2 magnetic alloy belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (8, 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 3105 aluminum and the bottom bar is Type 2 magnetic alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
190
Elongation at Break, % 1.1 to 20
2.0 to 38
Poisson's Ratio 0.33
0.3
Shear Modulus, GPa 26
72
Tensile Strength: Ultimate (UTS), MPa 120 to 240
510 to 910
Tensile Strength: Yield (Proof), MPa 46 to 220
260 to 870

Thermal Properties

Latent Heat of Fusion, J/g 400
270
Melting Completion (Liquidus), °C 660
1420
Melting Onset (Solidus), °C 640
1370
Specific Heat Capacity, J/kg-K 900
460
Thermal Expansion, µm/m-K 24
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 44
3.9
Electrical Conductivity: Equal Weight (Specific), % IACS 140
4.2

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
33
Density, g/cm3 2.8
8.4
Embodied Carbon, kg CO2/kg material 8.2
5.9
Embodied Energy, MJ/kg 150
81
Embodied Water, L/kg 1180
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.6 to 19
18 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 15 to 340
170 to 2010
Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 50
23
Strength to Weight: Axial, points 12 to 24
17 to 30
Strength to Weight: Bending, points 20 to 31
17 to 25
Thermal Shock Resistance, points 5.2 to 11
16 to 29

Alloy Composition

Aluminum (Al), % 96 to 99.5
0
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0 to 0.2
0 to 0.3
Cobalt (Co), % 0
0 to 0.5
Copper (Cu), % 0 to 0.3
0 to 0.3
Iron (Fe), % 0 to 0.7
48.2 to 53
Magnesium (Mg), % 0.2 to 0.8
0
Manganese (Mn), % 0.3 to 0.8
0 to 0.8
Molybdenum (Mo), % 0
0 to 0.3
Nickel (Ni), % 0
47 to 49
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0 to 0.6
0 to 0.5
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.4
0
Residuals, % 0 to 0.15
0

Comparable Variants