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EN AC-51500 Aluminum vs. EN 1.6554 Steel

EN AC-51500 aluminum belongs to the aluminum alloys classification, while EN 1.6554 steel belongs to the iron alloys. There are 30 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 EN AC-51500 aluminum and the bottom bar is EN 1.6554 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
230 to 280
Elastic (Young's, Tensile) Modulus, GPa 68
190
Elongation at Break, % 5.6
17 to 21
Fatigue Strength, MPa 120
380 to 520
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Tensile Strength: Ultimate (UTS), MPa 280
780 to 930
Tensile Strength: Yield (Proof), MPa 160
550 to 790

Thermal Properties

Latent Heat of Fusion, J/g 430
250
Maximum Temperature: Mechanical, °C 170
420
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
40
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 88
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
3.4
Density, g/cm3 2.6
7.9
Embodied Carbon, kg CO2/kg material 9.0
1.7
Embodied Energy, MJ/kg 150
22
Embodied Water, L/kg 1150
53

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13
140 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 190
810 to 1650
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 52
24
Strength to Weight: Axial, points 29
27 to 33
Strength to Weight: Bending, points 36
24 to 27
Thermal Diffusivity, mm2/s 49
11
Thermal Shock Resistance, points 13
23 to 27

Alloy Composition

Aluminum (Al), % 89.8 to 93.1
0
Carbon (C), % 0
0.23 to 0.28
Chromium (Cr), % 0
0.7 to 0.9
Copper (Cu), % 0 to 0.050
0 to 0.3
Iron (Fe), % 0 to 0.25
94.6 to 97.3
Magnesium (Mg), % 4.7 to 6.0
0
Manganese (Mn), % 0.4 to 0.8
0.6 to 0.9
Molybdenum (Mo), % 0
0.2 to 0.3
Nickel (Ni), % 0
1.0 to 2.0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 1.8 to 2.6
0 to 0.6
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 0 to 0.25
0
Vanadium (V), % 0
0 to 0.030
Zinc (Zn), % 0 to 0.070
0
Residuals, % 0 to 0.15
0