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5050 Aluminum vs. EN 1.1140 Steel

5050 aluminum belongs to the aluminum alloys classification, while EN 1.1140 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 5050 aluminum and the bottom bar is EN 1.1140 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 36 to 68
130
Elastic (Young's, Tensile) Modulus, GPa 68
190
Elongation at Break, % 1.7 to 22
28
Fatigue Strength, MPa 45 to 100
170
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Shear Strength, MPa 91 to 140
280
Tensile Strength: Ultimate (UTS), MPa 140 to 250
430
Tensile Strength: Yield (Proof), MPa 50 to 210
230

Thermal Properties

Latent Heat of Fusion, J/g 400
250
Maximum Temperature: Mechanical, °C 180
400
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
51
Thermal Expansion, µm/m-K 24
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 50
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 170
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
1.8
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 8.4
1.4
Embodied Energy, MJ/kg 150
18
Embodied Water, L/kg 1190
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.1 to 24
100
Resilience: Unit (Modulus of Resilience), kJ/m3 18 to 330
140
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 15 to 26
15
Strength to Weight: Bending, points 22 to 33
16
Thermal Diffusivity, mm2/s 79
14
Thermal Shock Resistance, points 6.3 to 11
14

Alloy Composition

Aluminum (Al), % 96.3 to 98.9
0
Carbon (C), % 0
0.12 to 0.18
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 0.2
0
Iron (Fe), % 0 to 0.7
98.7 to 99.56
Magnesium (Mg), % 1.1 to 1.8
0
Manganese (Mn), % 0 to 0.1
0.3 to 0.6
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0 to 0.4
0 to 0.4
Sulfur (S), % 0
0.020 to 0.040
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0 to 0.15
0