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EN 1.3555 Steel vs. EN AC-51500 Aluminum

EN 1.3555 steel belongs to the iron alloys classification, while EN AC-51500 aluminum belongs to the aluminum 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 1.3555 steel and the bottom bar is EN AC-51500 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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