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A206.0 Aluminum vs. EN 1.0308 Steel

A206.0 aluminum belongs to the aluminum alloys classification, while EN 1.0308 steel belongs to the iron alloys. 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 A206.0 aluminum and the bottom bar is EN 1.0308 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100 to 110
100 to 130
Elastic (Young's, Tensile) Modulus, GPa 70
190
Elongation at Break, % 4.2 to 10
7.8 to 28
Fatigue Strength, MPa 90 to 180
140 to 200
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Shear Strength, MPa 260
230 to 260
Tensile Strength: Ultimate (UTS), MPa 390 to 440
360 to 440
Tensile Strength: Yield (Proof), MPa 250 to 380
190 to 340

Thermal Properties

Latent Heat of Fusion, J/g 390
250
Maximum Temperature: Mechanical, °C 170
400
Melting Completion (Liquidus), °C 670
1460
Melting Onset (Solidus), °C 550
1420
Specific Heat Capacity, J/kg-K 880
470
Thermal Conductivity, W/m-K 130
51
Thermal Expansion, µm/m-K 23
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 90
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 11
1.8
Density, g/cm3 3.0
7.9
Embodied Carbon, kg CO2/kg material 8.0
1.4
Embodied Energy, MJ/kg 150
18
Embodied Water, L/kg 1150
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 37
32 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 440 to 1000
93 to 300
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
24
Strength to Weight: Axial, points 36 to 41
13 to 16
Strength to Weight: Bending, points 39 to 43
14 to 16
Thermal Diffusivity, mm2/s 48
14
Thermal Shock Resistance, points 17 to 19
11 to 14

Alloy Composition

Aluminum (Al), % 93.9 to 95.7
0
Carbon (C), % 0
0 to 0.17
Copper (Cu), % 4.2 to 5.0
0
Iron (Fe), % 0 to 0.1
98.2 to 100
Magnesium (Mg), % 0 to 0.15
0
Manganese (Mn), % 0 to 0.2
0 to 1.2
Nickel (Ni), % 0 to 0.050
0
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.050
0 to 0.35
Sulfur (S), % 0
0 to 0.045
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0.15 to 0.3
0
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0