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2025 Aluminum vs. EN 1.8824 Steel

2025 aluminum belongs to the aluminum alloys classification, while EN 1.8824 steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (1, 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 EN 1.8824 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110
170
Elastic (Young's, Tensile) Modulus, GPa 72
190
Elongation at Break, % 15
22
Fatigue Strength, MPa 130
310
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
73
Shear Strength, MPa 240
370
Tensile Strength: Ultimate (UTS), MPa 400
580
Tensile Strength: Yield (Proof), MPa 260
440

Thermal Properties

Latent Heat of Fusion, J/g 400
250
Maximum Temperature: Mechanical, °C 190
400
Melting Completion (Liquidus), °C 640
1460
Melting Onset (Solidus), °C 520
1420
Specific Heat Capacity, J/kg-K 870
470
Thermal Conductivity, W/m-K 150
49
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 120
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 10
2.3
Density, g/cm3 3.0
7.8
Embodied Carbon, kg CO2/kg material 7.9
1.6
Embodied Energy, MJ/kg 150
21
Embodied Water, L/kg 1130
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 55
120
Resilience: Unit (Modulus of Resilience), kJ/m3 450
530
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
24
Strength to Weight: Axial, points 37
21
Strength to Weight: Bending, points 40
20
Thermal Diffusivity, mm2/s 58
13
Thermal Shock Resistance, points 18
17

Alloy Composition

Aluminum (Al), % 90.9 to 95.2
0.020 to 0.040
Carbon (C), % 0
0 to 0.16
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 3.9 to 5.0
0
Iron (Fe), % 0 to 1.0
96.6 to 99.98
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0.4 to 1.2
0 to 1.7
Molybdenum (Mo), % 0
0 to 0.2
Nickel (Ni), % 0
0 to 0.5
Niobium (Nb), % 0
0 to 0.050
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0.5 to 1.2
0 to 0.5
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0 to 0.15
0 to 0.050
Vanadium (V), % 0
0 to 0.1
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0 to 0.15
0