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4015 Aluminum vs. EN 1.0044 Steel

4015 aluminum belongs to the aluminum alloys classification, while EN 1.0044 steel belongs to the iron alloys. There are 31 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 4015 aluminum and the bottom bar is EN 1.0044 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 35 to 70
140
Elastic (Young's, Tensile) Modulus, GPa 70
190
Elongation at Break, % 1.1 to 23
21
Fatigue Strength, MPa 46 to 71
180
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Shear Strength, MPa 82 to 120
300
Tensile Strength: Ultimate (UTS), MPa 130 to 220
470
Tensile Strength: Yield (Proof), MPa 50 to 200
250

Thermal Properties

Latent Heat of Fusion, J/g 420
250
Maximum Temperature: Mechanical, °C 160
400
Melting Completion (Liquidus), °C 640
1460
Melting Onset (Solidus), °C 600
1420
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 160
51
Thermal Expansion, µm/m-K 23
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 41
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 130
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
1.9
Density, g/cm3 2.7
7.9
Embodied Carbon, kg CO2/kg material 8.1
1.4
Embodied Energy, MJ/kg 150
18
Embodied Water, L/kg 1160
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.4 to 24
85
Resilience: Unit (Modulus of Resilience), kJ/m3 18 to 290
170
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 13 to 22
17
Strength to Weight: Bending, points 21 to 30
17
Thermal Diffusivity, mm2/s 66
14
Thermal Shock Resistance, points 5.7 to 9.7
15

Alloy Composition

Aluminum (Al), % 94.9 to 97.9
0
Carbon (C), % 0
0 to 0.25
Copper (Cu), % 0 to 0.2
0 to 0.6
Iron (Fe), % 0 to 0.7
97.4 to 100
Magnesium (Mg), % 0.1 to 0.5
0
Manganese (Mn), % 0.6 to 1.2
0 to 1.6
Nitrogen (N), % 0
0 to 0.014
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 1.4 to 2.2
0
Sulfur (S), % 0
0 to 0.045
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.15
0