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5154A-O Aluminum vs. EN 1.7240 +A Steel

5154A-O aluminum belongs to the aluminum alloys classification, while EN 1.7240 +A steel belongs to the iron 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 5154A-O aluminum and the bottom bar is EN 1.7240 +A steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 58
210
Elastic (Young's, Tensile) Modulus, GPa 68
190
Elongation at Break, % 19
20
Fatigue Strength, MPa 100
300
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Shear Strength, MPa 150
440
Tensile Strength: Ultimate (UTS), MPa 240
710
Tensile Strength: Yield (Proof), MPa 96
430

Thermal Properties

Latent Heat of Fusion, J/g 400
250
Maximum Temperature: Mechanical, °C 190
420
Melting Completion (Liquidus), °C 650
1460
Melting Onset (Solidus), °C 600
1410
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 130
44
Thermal Expansion, µm/m-K 24
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 110
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
2.4
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 8.8
1.5
Embodied Energy, MJ/kg 150
20
Embodied Water, L/kg 1180
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
130
Resilience: Unit (Modulus of Resilience), kJ/m3 68
500
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 51
24
Strength to Weight: Axial, points 24
25
Strength to Weight: Bending, points 31
23
Thermal Diffusivity, mm2/s 53
12
Thermal Shock Resistance, points 10
21

Alloy Composition

Aluminum (Al), % 93.7 to 96.9
0
Carbon (C), % 0
0.56 to 0.64
Chromium (Cr), % 0 to 0.25
0.7 to 1.0
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0 to 0.5
96.7 to 97.9
Magnesium (Mg), % 3.1 to 3.9
0
Manganese (Mn), % 0 to 0.5
0.7 to 1.0
Molybdenum (Mo), % 0
0.15 to 0.25
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.5
0 to 0.4
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.15
0