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6182 Aluminum vs. EN 1.3558 Steel

6182 aluminum belongs to the aluminum alloys classification, while EN 1.3558 steel belongs to the iron alloys. There are 24 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 6182 aluminum and the bottom bar is EN 1.3558 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
210
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
80
Tensile Strength: Ultimate (UTS), MPa 230 to 320
770

Thermal Properties

Latent Heat of Fusion, J/g 410
240
Maximum Temperature: Mechanical, °C 190
490
Melting Completion (Liquidus), °C 640
1810
Melting Onset (Solidus), °C 600
1760
Specific Heat Capacity, J/kg-K 900
410
Thermal Conductivity, W/m-K 160
20
Thermal Expansion, µm/m-K 23
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
13
Electrical Conductivity: Equal Weight (Specific), % IACS 130
12

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
45
Density, g/cm3 2.7
9.3
Embodied Carbon, kg CO2/kg material 8.4
8.4
Embodied Energy, MJ/kg 150
130
Embodied Water, L/kg 1170
90

Common Calculations

Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 50
21
Strength to Weight: Axial, points 23 to 32
23
Strength to Weight: Bending, points 30 to 38
20
Thermal Diffusivity, mm2/s 65
5.3
Thermal Shock Resistance, points 10 to 14
22

Alloy Composition

Aluminum (Al), % 95 to 97.9
0
Carbon (C), % 0
0.7 to 0.8
Chromium (Cr), % 0 to 0.25
3.9 to 4.3
Copper (Cu), % 0 to 0.1
0 to 0.3
Iron (Fe), % 0 to 0.5
73.7 to 77.6
Magnesium (Mg), % 0.7 to 1.2
0
Manganese (Mn), % 0.5 to 1.0
0 to 0.4
Molybdenum (Mo), % 0
0 to 0.6
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0.9 to 1.3
0 to 0.4
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.1
0
Tungsten (W), % 0
17.5 to 19
Vanadium (V), % 0
1.0 to 1.3
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0.050 to 0.2
0
Residuals, % 0 to 0.15
0