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EN 1.1151 Steel vs. 5457 Aluminum

EN 1.1151 steel belongs to the iron alloys classification, while 5457 aluminum belongs to the aluminum alloys. 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 EN 1.1151 steel and the bottom bar is 5457 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130 to 150
32 to 55
Elastic (Young's, Tensile) Modulus, GPa 190
68
Elongation at Break, % 21 to 26
6.0 to 22
Fatigue Strength, MPa 180 to 240
55 to 98
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
26
Shear Strength, MPa 300 to 330
85 to 130
Tensile Strength: Ultimate (UTS), MPa 460 to 520
130 to 210
Tensile Strength: Yield (Proof), MPa 240 to 340
50 to 190

Thermal Properties

Latent Heat of Fusion, J/g 250
400
Maximum Temperature: Mechanical, °C 400
180
Melting Completion (Liquidus), °C 1460
660
Melting Onset (Solidus), °C 1420
630
Specific Heat Capacity, J/kg-K 470
900
Thermal Conductivity, W/m-K 50
180
Thermal Expansion, µm/m-K 12
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
46
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
150

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
9.5
Density, g/cm3 7.8
2.7
Embodied Carbon, kg CO2/kg material 1.4
8.4
Embodied Energy, MJ/kg 19
160
Embodied Water, L/kg 47
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 100
12 to 23
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 310
18 to 250
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
50
Strength to Weight: Axial, points 16 to 18
13 to 21
Strength to Weight: Bending, points 17 to 18
21 to 28
Thermal Diffusivity, mm2/s 13
72
Thermal Shock Resistance, points 15 to 16
5.7 to 9.0

Alloy Composition

Aluminum (Al), % 0
97.8 to 99.05
Carbon (C), % 0.17 to 0.24
0
Chromium (Cr), % 0 to 0.4
0
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 97.7 to 99.43
0 to 0.1
Magnesium (Mg), % 0
0.8 to 1.2
Manganese (Mn), % 0.4 to 0.7
0.15 to 0.45
Molybdenum (Mo), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.4
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 0.4
0 to 0.080
Sulfur (S), % 0 to 0.035
0
Vanadium (V), % 0
0 to 0.050
Zinc (Zn), % 0
0 to 0.050
Residuals, % 0
0 to 0.1

Comparable Variants