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EN 1.3555 Steel vs. EN AC-47000 Aluminum

EN 1.3555 steel belongs to the iron alloys classification, while EN AC-47000 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-47000 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
60
Elastic (Young's, Tensile) Modulus, GPa 190
73
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 75
27
Tensile Strength: Ultimate (UTS), MPa 770
180

Thermal Properties

Latent Heat of Fusion, J/g 260
570
Maximum Temperature: Mechanical, °C 540
170
Melting Completion (Liquidus), °C 1500
590
Melting Onset (Solidus), °C 1450
570
Specific Heat Capacity, J/kg-K 460
900
Thermal Expansion, µm/m-K 13
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.3
33
Electrical Conductivity: Equal Weight (Specific), % IACS 11
110

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
7.7
Embodied Energy, MJ/kg 81
140
Embodied Water, L/kg 90
1040

Common Calculations

Stiffness to Weight: Axial, points 14
16
Stiffness to Weight: Bending, points 24
54
Strength to Weight: Axial, points 27
19
Strength to Weight: Bending, points 23
27
Thermal Shock Resistance, points 22
8.3

Alloy Composition

Aluminum (Al), % 0
82.1 to 89.5
Carbon (C), % 0.1 to 0.15
0
Chromium (Cr), % 3.9 to 4.3
0 to 0.1
Copper (Cu), % 0 to 0.1
0 to 1.0
Iron (Fe), % 85.4 to 87.7
0 to 0.8
Lead (Pb), % 0
0 to 0.2
Magnesium (Mg), % 0
0 to 0.35
Manganese (Mn), % 0.15 to 0.35
0.050 to 0.55
Molybdenum (Mo), % 4.0 to 4.5
0
Nickel (Ni), % 3.2 to 3.6
0 to 0.3
Phosphorus (P), % 0 to 0.015
0
Silicon (Si), % 0.1 to 0.25
10.5 to 13.5
Sulfur (S), % 0 to 0.010
0
Tin (Sn), % 0
0 to 0.1
Titanium (Ti), % 0
0 to 0.2
Tungsten (W), % 0 to 0.15
0
Vanadium (V), % 1.0 to 1.3
0
Zinc (Zn), % 0
0 to 0.55
Residuals, % 0
0 to 0.25