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2018 Aluminum vs. EN 1.1192 Steel

2018 aluminum belongs to the aluminum alloys classification, while EN 1.1192 steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (6, 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 2018 aluminum and the bottom bar is EN 1.1192 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120
150 to 180
Elastic (Young's, Tensile) Modulus, GPa 73
190
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
72
Tensile Strength: Ultimate (UTS), MPa 420
520 to 1810

Thermal Properties

Latent Heat of Fusion, J/g 390
250
Maximum Temperature: Mechanical, °C 220
400
Melting Completion (Liquidus), °C 640
1460
Melting Onset (Solidus), °C 510
1420
Specific Heat Capacity, J/kg-K 870
470
Thermal Conductivity, W/m-K 150
51
Thermal Expansion, µm/m-K 22
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 120
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 11
1.8
Density, g/cm3 3.1
7.8
Embodied Carbon, kg CO2/kg material 8.1
1.4
Embodied Energy, MJ/kg 150
19
Embodied Water, L/kg 1130
46

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 45
24
Strength to Weight: Axial, points 38
18 to 64
Strength to Weight: Bending, points 41
18 to 42
Thermal Diffusivity, mm2/s 57
14
Thermal Shock Resistance, points 19
16 to 58

Alloy Composition

Aluminum (Al), % 89.7 to 94.4
0
Carbon (C), % 0
0.42 to 0.5
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 3.5 to 4.5
0 to 0.25
Iron (Fe), % 0 to 1.0
98.1 to 99.08
Magnesium (Mg), % 0.45 to 0.9
0
Manganese (Mn), % 0 to 0.2
0.5 to 0.8
Nickel (Ni), % 1.7 to 2.3
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.9
0 to 0.3
Sulfur (S), % 0
0 to 0.025
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0 to 0.15
0