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4115 Aluminum vs. EN 1.0426 Steel

4115 aluminum belongs to the aluminum alloys classification, while EN 1.0426 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 4115 aluminum and the bottom bar is EN 1.0426 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 38 to 68
150
Elastic (Young's, Tensile) Modulus, GPa 70
190
Elongation at Break, % 1.1 to 11
25
Fatigue Strength, MPa 39 to 76
210
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Shear Strength, MPa 71 to 130
330
Tensile Strength: Ultimate (UTS), MPa 120 to 220
520
Tensile Strength: Yield (Proof), MPa 39 to 190
290

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 590
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
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 140
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
1.9
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 8.1
1.4
Embodied Energy, MJ/kg 150
19
Embodied Water, L/kg 1160
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.1 to 10
110
Resilience: Unit (Modulus of Resilience), kJ/m3 11 to 270
230
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 12 to 23
18
Strength to Weight: Bending, points 20 to 30
18
Thermal Diffusivity, mm2/s 66
14
Thermal Shock Resistance, points 5.2 to 9.9
16

Alloy Composition

Aluminum (Al), % 94.6 to 97.4
0
Carbon (C), % 0
0.080 to 0.2
Copper (Cu), % 0.1 to 0.5
0
Iron (Fe), % 0 to 0.7
97.9 to 99.02
Magnesium (Mg), % 0.1 to 0.5
0
Manganese (Mn), % 0.6 to 1.2
0.9 to 1.5
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 1.8 to 2.2
0 to 0.4
Sulfur (S), % 0
0 to 0.015
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.15
0