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5454-O Aluminum vs. Annealed SAE-AISI 52100

5454-O aluminum belongs to the aluminum alloys classification, while annealed SAE-AISI 52100 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 5454-O aluminum and the bottom bar is annealed SAE-AISI 52100.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 61
180
Elastic (Young's, Tensile) Modulus, GPa 69
190
Elongation at Break, % 17
20
Fatigue Strength, MPa 110
250
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
72
Shear Strength, MPa 160
370
Tensile Strength: Ultimate (UTS), MPa 240
590
Tensile Strength: Yield (Proof), MPa 100
360

Thermal Properties

Latent Heat of Fusion, J/g 400
250
Maximum Temperature: Mechanical, °C 190
430
Melting Completion (Liquidus), °C 650
1450
Melting Onset (Solidus), °C 600
1410
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 130
47
Thermal Expansion, µm/m-K 24
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 110
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
2.4
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 8.6
1.5
Embodied Energy, MJ/kg 150
20
Embodied Water, L/kg 1180
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 34
100
Resilience: Unit (Modulus of Resilience), kJ/m3 77
350
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 25
21
Strength to Weight: Bending, points 32
20
Thermal Diffusivity, mm2/s 55
13
Thermal Shock Resistance, points 11
19

Alloy Composition

Aluminum (Al), % 94.5 to 97.1
0
Carbon (C), % 0
0.93 to 1.1
Chromium (Cr), % 0.050 to 0.2
1.4 to 1.6
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0 to 0.4
96.5 to 97.3
Magnesium (Mg), % 2.4 to 3.0
0
Manganese (Mn), % 0.5 to 1.0
0.25 to 0.45
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.25
0.15 to 0.35
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0 to 0.15
0