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EN AC-51500 Aluminum vs. EN 1.3555 Steel

EN AC-51500 aluminum belongs to the aluminum alloys classification, while EN 1.3555 steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (8, 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 1.3555 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
230
Elastic (Young's, Tensile) Modulus, GPa 68
190
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
75
Tensile Strength: Ultimate (UTS), MPa 280
770

Thermal Properties

Latent Heat of Fusion, J/g 430
260
Maximum Temperature: Mechanical, °C 170
540
Melting Completion (Liquidus), °C 630
1500
Melting Onset (Solidus), °C 590
1450
Specific Heat Capacity, J/kg-K 910
460
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
9.3
Electrical Conductivity: Equal Weight (Specific), % IACS 88
11

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
11
Density, g/cm3 2.6
7.9
Embodied Carbon, kg CO2/kg material 9.0
5.6
Embodied Energy, MJ/kg 150
81
Embodied Water, L/kg 1150
90

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 52
24
Strength to Weight: Axial, points 29
27
Strength to Weight: Bending, points 36
23
Thermal Shock Resistance, points 13
22

Alloy Composition

Aluminum (Al), % 89.8 to 93.1
0
Carbon (C), % 0
0.1 to 0.15
Chromium (Cr), % 0
3.9 to 4.3
Copper (Cu), % 0 to 0.050
0 to 0.1
Iron (Fe), % 0 to 0.25
85.4 to 87.7
Magnesium (Mg), % 4.7 to 6.0
0
Manganese (Mn), % 0.4 to 0.8
0.15 to 0.35
Molybdenum (Mo), % 0
4.0 to 4.5
Nickel (Ni), % 0
3.2 to 3.6
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 1.8 to 2.6
0.1 to 0.25
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0 to 0.25
0
Tungsten (W), % 0
0 to 0.15
Vanadium (V), % 0
1.0 to 1.3
Zinc (Zn), % 0 to 0.070
0
Residuals, % 0 to 0.15
0