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A390.0 Aluminum vs. EN 1.0308 Steel

A390.0 aluminum belongs to the aluminum alloys classification, while EN 1.0308 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, 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 A390.0 aluminum and the bottom bar is EN 1.0308 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110 to 140
100 to 130
Elastic (Young's, Tensile) Modulus, GPa 75
190
Elongation at Break, % 0.87 to 0.91
7.8 to 28
Fatigue Strength, MPa 70 to 100
140 to 200
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 28
73
Tensile Strength: Ultimate (UTS), MPa 190 to 290
360 to 440
Tensile Strength: Yield (Proof), MPa 190 to 290
190 to 340

Thermal Properties

Latent Heat of Fusion, J/g 640
250
Maximum Temperature: Mechanical, °C 170
400
Melting Completion (Liquidus), °C 580
1460
Melting Onset (Solidus), °C 480
1420
Specific Heat Capacity, J/kg-K 880
470
Thermal Conductivity, W/m-K 130
51
Thermal Expansion, µm/m-K 20
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 67
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 11
1.8
Density, g/cm3 2.7
7.9
Embodied Carbon, kg CO2/kg material 7.3
1.4
Embodied Energy, MJ/kg 140
18
Embodied Water, L/kg 950
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.6 to 2.6
32 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 240 to 580
93 to 300
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 52
24
Strength to Weight: Axial, points 19 to 30
13 to 16
Strength to Weight: Bending, points 27 to 36
14 to 16
Thermal Diffusivity, mm2/s 56
14
Thermal Shock Resistance, points 9.0 to 14
11 to 14

Alloy Composition

Aluminum (Al), % 75.3 to 79.6
0
Carbon (C), % 0
0 to 0.17
Copper (Cu), % 4.0 to 5.0
0
Iron (Fe), % 0 to 0.5
98.2 to 100
Magnesium (Mg), % 0.45 to 0.65
0
Manganese (Mn), % 0 to 0.1
0 to 1.2
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 16 to 18
0 to 0.35
Sulfur (S), % 0
0 to 0.045
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.2
0