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EN 1.8151 Steel vs. EN AC-43200 Aluminum

EN 1.8151 steel belongs to the iron alloys classification, while EN AC-43200 aluminum belongs to the aluminum 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 1.8151 steel and the bottom bar is EN AC-43200 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 540
60 to 88
Elastic (Young's, Tensile) Modulus, GPa 190
72
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 72
27
Tensile Strength: Ultimate (UTS), MPa 670 to 1940
190 to 260

Thermal Properties

Latent Heat of Fusion, J/g 270
540
Maximum Temperature: Mechanical, °C 410
170
Melting Completion (Liquidus), °C 1440
600
Melting Onset (Solidus), °C 1400
590
Specific Heat Capacity, J/kg-K 480
900
Thermal Conductivity, W/m-K 50
140
Thermal Expansion, µm/m-K 13
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
34
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
120

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
9.5
Density, g/cm3 7.7
2.6
Embodied Carbon, kg CO2/kg material 1.8
7.8
Embodied Energy, MJ/kg 25
150
Embodied Water, L/kg 49
1070

Common Calculations

Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 25
54
Strength to Weight: Axial, points 24 to 70
20 to 28
Strength to Weight: Bending, points 22 to 45
28 to 35
Thermal Diffusivity, mm2/s 14
59
Thermal Shock Resistance, points 20 to 58
8.8 to 12

Alloy Composition


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Aluminum (Al), % 0
86.1 to 90.8
Carbon (C), % 0.4 to 0.5
0
Chromium (Cr), % 0.4 to 0.8
0
Copper (Cu), % 0
0 to 0.35
Iron (Fe), % 95.9 to 97.2
0 to 0.65
Lead (Pb), % 0
0 to 0.1
Magnesium (Mg), % 0
0.2 to 0.45
Manganese (Mn), % 0.6 to 0.9
0 to 0.55
Nickel (Ni), % 0
0 to 0.15
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 1.3 to 1.7
9.0 to 11
Sulfur (S), % 0 to 0.025
0
Titanium (Ti), % 0
0 to 0.2
Vanadium (V), % 0.1 to 0.2
0
Zinc (Zn), % 0
0 to 0.35
Residuals, % 0
0 to 0.15