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EN AC-42200 Aluminum vs. EN 1.7106 Steel

EN AC-42200 aluminum belongs to the aluminum alloys classification, while EN 1.7106 steel belongs to the iron 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 AC-42200 aluminum and the bottom bar is EN 1.7106 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 89 to 100
200 to 500
Elastic (Young's, Tensile) Modulus, GPa 70
190
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
72
Tensile Strength: Ultimate (UTS), MPa 320
660 to 2020

Thermal Properties

Latent Heat of Fusion, J/g 500
280
Maximum Temperature: Mechanical, °C 170
410
Melting Completion (Liquidus), °C 610
1430
Melting Onset (Solidus), °C 600
1390
Specific Heat Capacity, J/kg-K 910
480
Thermal Conductivity, W/m-K 150
46
Thermal Expansion, µm/m-K 22
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 140
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
2.1
Density, g/cm3 2.6
7.7
Embodied Carbon, kg CO2/kg material 8.0
1.5
Embodied Energy, MJ/kg 150
20
Embodied Water, L/kg 1110
47

Common Calculations

Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 53
25
Strength to Weight: Axial, points 34 to 35
24 to 73
Strength to Weight: Bending, points 40 to 41
22 to 46
Thermal Diffusivity, mm2/s 66
13
Thermal Shock Resistance, points 15
20 to 61

Alloy Composition

Aluminum (Al), % 91 to 93.1
0
Carbon (C), % 0
0.52 to 0.6
Chromium (Cr), % 0
0.2 to 0.45
Copper (Cu), % 0 to 0.050
0
Iron (Fe), % 0 to 0.19
95.9 to 97
Magnesium (Mg), % 0.45 to 0.7
0
Manganese (Mn), % 0 to 0.1
0.7 to 1.0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 6.5 to 7.5
1.6 to 2.0
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.070
0
Residuals, % 0 to 0.1
0