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2025 Aluminum vs. Type 1 Magnetic Alloy

2025 aluminum belongs to the aluminum alloys classification, while Type 1 magnetic alloy belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (7, 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 2025 aluminum and the bottom bar is Type 1 magnetic alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
190
Elongation at Break, % 15
4.0 to 38
Poisson's Ratio 0.33
0.3
Shear Modulus, GPa 27
72
Tensile Strength: Ultimate (UTS), MPa 400
500 to 830
Tensile Strength: Yield (Proof), MPa 260
220 to 790

Thermal Properties

Latent Heat of Fusion, J/g 400
270
Melting Completion (Liquidus), °C 640
1420
Melting Onset (Solidus), °C 520
1370
Specific Heat Capacity, J/kg-K 870
460
Thermal Expansion, µm/m-K 23
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
3.1
Electrical Conductivity: Equal Weight (Specific), % IACS 120
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 10
31
Density, g/cm3 3.0
8.3
Embodied Carbon, kg CO2/kg material 7.9
5.6
Embodied Energy, MJ/kg 150
77
Embodied Water, L/kg 1130
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 55
33 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 450
130 to 1690
Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 46
23
Strength to Weight: Axial, points 37
17 to 28
Strength to Weight: Bending, points 40
17 to 24
Thermal Shock Resistance, points 18
16 to 26

Alloy Composition

Aluminum (Al), % 90.9 to 95.2
0
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0 to 0.1
0 to 0.3
Cobalt (Co), % 0
0 to 0.5
Copper (Cu), % 3.9 to 5.0
0 to 0.3
Iron (Fe), % 0 to 1.0
50.7 to 56.5
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0.4 to 1.2
0 to 0.8
Molybdenum (Mo), % 0
0 to 0.3
Nickel (Ni), % 0
43.5 to 46.5
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0.5 to 1.2
0 to 0.5
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0 to 0.15
0