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5050 Aluminum vs. EN 1.8888 Steel

5050 aluminum belongs to the aluminum alloys classification, while EN 1.8888 steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (3, 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 5050 aluminum and the bottom bar is EN 1.8888 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 36 to 68
250
Elastic (Young's, Tensile) Modulus, GPa 68
190
Elongation at Break, % 1.7 to 22
16
Fatigue Strength, MPa 45 to 100
470
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Shear Strength, MPa 91 to 140
510
Tensile Strength: Ultimate (UTS), MPa 140 to 250
830
Tensile Strength: Yield (Proof), MPa 50 to 210
720

Thermal Properties

Latent Heat of Fusion, J/g 400
260
Maximum Temperature: Mechanical, °C 180
420
Melting Completion (Liquidus), °C 650
1460
Melting Onset (Solidus), °C 630
1420
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 190
40
Thermal Expansion, µm/m-K 24
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 50
8.1
Electrical Conductivity: Equal Weight (Specific), % IACS 170
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
3.7
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 8.4
1.9
Embodied Energy, MJ/kg 150
26
Embodied Water, L/kg 1190
54

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.1 to 24
130
Resilience: Unit (Modulus of Resilience), kJ/m3 18 to 330
1370
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 15 to 26
29
Strength to Weight: Bending, points 22 to 33
25
Thermal Diffusivity, mm2/s 79
11
Thermal Shock Resistance, points 6.3 to 11
24

Alloy Composition

Aluminum (Al), % 96.3 to 98.9
0
Boron (B), % 0
0 to 0.0050
Carbon (C), % 0
0 to 0.2
Chromium (Cr), % 0 to 0.1
0 to 1.5
Copper (Cu), % 0 to 0.2
0 to 0.3
Iron (Fe), % 0 to 0.7
91.9 to 100
Magnesium (Mg), % 1.1 to 1.8
0
Manganese (Mn), % 0 to 0.1
0 to 1.7
Molybdenum (Mo), % 0
0 to 0.7
Nickel (Ni), % 0
0 to 2.5
Niobium (Nb), % 0
0 to 0.060
Nitrogen (N), % 0
0 to 0.015
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.4
0 to 0.8
Sulfur (S), % 0
0 to 0.0050
Titanium (Ti), % 0
0 to 0.050
Vanadium (V), % 0
0 to 0.12
Zinc (Zn), % 0 to 0.25
0
Zirconium (Zr), % 0
0 to 0.15
Residuals, % 0 to 0.15
0