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EN AC-51500 Aluminum vs. EN 1.1233 Steel

EN AC-51500 aluminum belongs to the aluminum alloys classification, while EN 1.1233 steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (5, 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 1.1233 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
200 to 220
Elastic (Young's, Tensile) Modulus, GPa 68
190
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
72
Tensile Strength: Ultimate (UTS), MPa 280
680 to 760

Thermal Properties

Latent Heat of Fusion, J/g 430
250
Maximum Temperature: Mechanical, °C 170
400
Melting Completion (Liquidus), °C 630
1450
Melting Onset (Solidus), °C 590
1410
Specific Heat Capacity, J/kg-K 910
470
Thermal Conductivity, W/m-K 120
51
Thermal Expansion, µm/m-K 23
12

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
47

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 52
24
Strength to Weight: Axial, points 29
24 to 27
Strength to Weight: Bending, points 36
22 to 24
Thermal Diffusivity, mm2/s 49
14
Thermal Shock Resistance, points 13
22 to 24

Alloy Composition

Aluminum (Al), % 89.8 to 93.1
0 to 0.050
Carbon (C), % 0
0.52 to 0.6
Copper (Cu), % 0 to 0.050
0 to 0.3
Iron (Fe), % 0 to 0.25
98 to 99.1
Magnesium (Mg), % 4.7 to 6.0
0
Manganese (Mn), % 0.4 to 0.8
0.9 to 1.2
Oxygen (O), % 0
0 to 0.0020
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 1.8 to 2.6
0 to 0.4
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.070
0
Residuals, % 0 to 0.15
0