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EN AC-51500 Aluminum vs. EN 1.5525 Steel

EN AC-51500 aluminum belongs to the aluminum alloys classification, while EN 1.5525 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, 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 EN AC-51500 aluminum and the bottom bar is EN 1.5525 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
130 to 180
Elastic (Young's, Tensile) Modulus, GPa 68
190
Elongation at Break, % 5.6
11 to 21
Fatigue Strength, MPa 120
210 to 310
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Tensile Strength: Ultimate (UTS), MPa 280
440 to 1440
Tensile Strength: Yield (Proof), MPa 160
300 to 490

Thermal Properties

Latent Heat of Fusion, J/g 430
250
Maximum Temperature: Mechanical, °C 170
400
Melting Completion (Liquidus), °C 630
1460
Melting Onset (Solidus), °C 590
1420
Specific Heat Capacity, J/kg-K 910
470
Thermal Conductivity, W/m-K 120
50
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 88
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
1.9
Density, g/cm3 2.6
7.8
Embodied Carbon, kg CO2/kg material 9.0
1.4
Embodied Energy, MJ/kg 150
19
Embodied Water, L/kg 1150
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13
44 to 240
Resilience: Unit (Modulus of Resilience), kJ/m3 190
240 to 640
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 52
24
Strength to Weight: Axial, points 29
16 to 51
Strength to Weight: Bending, points 36
16 to 36
Thermal Diffusivity, mm2/s 49
13
Thermal Shock Resistance, points 13
13 to 42

Alloy Composition

Aluminum (Al), % 89.8 to 93.1
0
Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0
0.18 to 0.23
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 0 to 0.050
0 to 0.25
Iron (Fe), % 0 to 0.25
97.7 to 98.9
Magnesium (Mg), % 4.7 to 6.0
0
Manganese (Mn), % 0.4 to 0.8
0.9 to 1.2
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 1.8 to 2.6
0 to 0.3
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.070
0
Residuals, % 0 to 0.15
0