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705.0 Aluminum vs. EN 1.3566 Steel

705.0 aluminum belongs to the aluminum alloys classification, while EN 1.3566 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 705.0 aluminum and the bottom bar is EN 1.3566 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 62 to 65
150 to 220
Elastic (Young's, Tensile) Modulus, GPa 69
190
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Tensile Strength: Ultimate (UTS), MPa 240 to 260
490 to 1380

Thermal Properties

Latent Heat of Fusion, J/g 390
250
Maximum Temperature: Mechanical, °C 180
420
Melting Completion (Liquidus), °C 640
1460
Melting Onset (Solidus), °C 610
1420
Specific Heat Capacity, J/kg-K 890
470
Thermal Conductivity, W/m-K 140
45
Thermal Expansion, µm/m-K 24
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 110
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
2.5
Density, g/cm3 2.8
7.8
Embodied Carbon, kg CO2/kg material 8.4
1.5
Embodied Energy, MJ/kg 150
20
Embodied Water, L/kg 1170
52

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
24
Strength to Weight: Axial, points 24 to 26
17 to 49
Strength to Weight: Bending, points 31 to 32
17 to 35
Thermal Diffusivity, mm2/s 55
12
Thermal Shock Resistance, points 11
14 to 40

Alloy Composition

Aluminum (Al), % 92.3 to 98.6
0 to 0.050
Carbon (C), % 0
0.12 to 0.18
Chromium (Cr), % 0 to 0.4
0.9 to 1.2
Copper (Cu), % 0 to 0.2
0 to 0.3
Iron (Fe), % 0 to 0.8
96.8 to 98.4
Magnesium (Mg), % 1.4 to 1.8
0
Manganese (Mn), % 0 to 0.6
0.6 to 0.9
Molybdenum (Mo), % 0
0.15 to 0.25
Oxygen (O), % 0
0 to 0.0020
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.2
0 to 0.4
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 3.3
0
Residuals, % 0 to 0.15
0