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EN AC-42200 Aluminum vs. EN 1.7701 Steel

EN AC-42200 aluminum belongs to the aluminum alloys classification, while EN 1.7701 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 1.7701 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 89 to 100
200 to 480
Elastic (Young's, Tensile) Modulus, GPa 70
190
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Tensile Strength: Ultimate (UTS), MPa 320
670 to 2010

Thermal Properties

Latent Heat of Fusion, J/g 500
250
Maximum Temperature: Mechanical, °C 170
420
Melting Completion (Liquidus), °C 610
1460
Melting Onset (Solidus), °C 600
1420
Specific Heat Capacity, J/kg-K 910
470
Thermal Conductivity, W/m-K 150
44
Thermal Expansion, µm/m-K 22
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 140
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
2.6
Density, g/cm3 2.6
7.8
Embodied Carbon, kg CO2/kg material 8.0
1.9
Embodied Energy, MJ/kg 150
26
Embodied Water, L/kg 1110
52

Common Calculations

Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 53
24
Strength to Weight: Axial, points 34 to 35
24 to 71
Strength to Weight: Bending, points 40 to 41
22 to 45
Thermal Diffusivity, mm2/s 66
12
Thermal Shock Resistance, points 15
20 to 59

Alloy Composition

Aluminum (Al), % 91 to 93.1
0
Carbon (C), % 0
0.48 to 0.56
Chromium (Cr), % 0
0.9 to 1.2
Copper (Cu), % 0 to 0.050
0
Iron (Fe), % 0 to 0.19
96.2 to 97.7
Magnesium (Mg), % 0.45 to 0.7
0
Manganese (Mn), % 0 to 0.1
0.7 to 1.1
Molybdenum (Mo), % 0
0.15 to 0.3
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 6.5 to 7.5
0 to 0.4
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 0 to 0.25
0
Vanadium (V), % 0
0.1 to 0.2
Zinc (Zn), % 0 to 0.070
0
Residuals, % 0 to 0.1
0