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712.0 Aluminum vs. EN 1.3551 Steel

712.0 aluminum belongs to the aluminum alloys classification, while EN 1.3551 steel belongs to the iron alloys. There are 25 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 712.0 aluminum and the bottom bar is EN 1.3551 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 75 to 90
220
Elastic (Young's, Tensile) Modulus, GPa 70
190
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 27
75
Tensile Strength: Ultimate (UTS), MPa 250 to 260
720

Thermal Properties

Latent Heat of Fusion, J/g 380
260
Maximum Temperature: Mechanical, °C 190
530
Melting Completion (Liquidus), °C 640
1490
Melting Onset (Solidus), °C 610
1450
Specific Heat Capacity, J/kg-K 870
460
Thermal Conductivity, W/m-K 160
36
Thermal Expansion, µm/m-K 24
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
8.6
Electrical Conductivity: Equal Weight (Specific), % IACS 120
9.9

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.0
Density, g/cm3 3.0
7.9
Embodied Carbon, kg CO2/kg material 8.0
4.9
Embodied Energy, MJ/kg 150
71
Embodied Water, L/kg 1140
82

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 46
24
Strength to Weight: Axial, points 24 to 25
26
Strength to Weight: Bending, points 30 to 31
23
Thermal Diffusivity, mm2/s 62
9.8
Thermal Shock Resistance, points 11
21

Alloy Composition

Aluminum (Al), % 90.7 to 94
0
Carbon (C), % 0
0.77 to 0.85
Chromium (Cr), % 0.4 to 0.6
3.9 to 4.3
Copper (Cu), % 0 to 0.25
0 to 0.3
Iron (Fe), % 0 to 0.5
88.8 to 91.1
Magnesium (Mg), % 0.5 to 0.65
0
Manganese (Mn), % 0 to 0.1
0.15 to 0.35
Molybdenum (Mo), % 0
4.0 to 4.5
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.3
0 to 0.4
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0.15 to 0.25
0
Tungsten (W), % 0
0 to 0.25
Vanadium (V), % 0
0.9 to 1.1
Zinc (Zn), % 5.0 to 6.5
0
Residuals, % 0 to 0.2
0