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EN 1.1127 Steel vs. 5454 Aluminum

EN 1.1127 steel belongs to the iron alloys classification, while 5454 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 1.1127 steel and the bottom bar is 5454 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 230
61 to 93
Elastic (Young's, Tensile) Modulus, GPa 190
69
Elongation at Break, % 14 to 25
2.3 to 18
Fatigue Strength, MPa 280 to 370
83 to 160
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
26
Shear Strength, MPa 420 to 480
140 to 200
Tensile Strength: Ultimate (UTS), MPa 660 to 790
230 to 350
Tensile Strength: Yield (Proof), MPa 410 to 580
97 to 290

Thermal Properties

Latent Heat of Fusion, J/g 250
400
Maximum Temperature: Mechanical, °C 400
190
Melting Completion (Liquidus), °C 1460
650
Melting Onset (Solidus), °C 1410
600
Specific Heat Capacity, J/kg-K 470
900
Thermal Conductivity, W/m-K 49
130
Thermal Expansion, µm/m-K 12
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
34
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
110

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
9.5
Density, g/cm3 7.8
2.7
Embodied Carbon, kg CO2/kg material 1.5
8.6
Embodied Energy, MJ/kg 19
150
Embodied Water, L/kg 49
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90 to 140
6.3 to 34
Resilience: Unit (Modulus of Resilience), kJ/m3 440 to 880
68 to 590
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
50
Strength to Weight: Axial, points 23 to 28
23 to 36
Strength to Weight: Bending, points 22 to 24
30 to 41
Thermal Diffusivity, mm2/s 13
55
Thermal Shock Resistance, points 21 to 25
10 to 16

Alloy Composition

Aluminum (Al), % 0
94.5 to 97.1
Carbon (C), % 0.34 to 0.42
0
Chromium (Cr), % 0 to 0.4
0.050 to 0.2
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 96.6 to 98.1
0 to 0.4
Magnesium (Mg), % 0
2.4 to 3.0
Manganese (Mn), % 1.4 to 1.7
0.5 to 1.0
Molybdenum (Mo), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.4
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0.15 to 0.35
0 to 0.25
Sulfur (S), % 0 to 0.035
0
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0
0 to 0.25
Residuals, % 0
0 to 0.15

Comparable Variants