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5154A Aluminum vs. SAE-AISI 52100 Steel

5154A aluminum belongs to the aluminum alloys classification, while SAE-AISI 52100 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 aluminum and the bottom bar is SAE-AISI 52100 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 58 to 100
180 to 210
Elastic (Young's, Tensile) Modulus, GPa 68
190
Elongation at Break, % 1.1 to 19
10 to 20
Fatigue Strength, MPa 83 to 160
250 to 340
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
72
Shear Strength, MPa 140 to 210
370 to 420
Tensile Strength: Ultimate (UTS), MPa 230 to 370
590 to 2010
Tensile Strength: Yield (Proof), MPa 96 to 320
360 to 560

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 to 13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
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 8.8
1.5
Embodied Energy, MJ/kg 150
20
Embodied Water, L/kg 1180
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.0 to 36
54 to 310
Resilience: Unit (Modulus of Resilience), kJ/m3 68 to 760
350 to 840
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 51
24
Strength to Weight: Axial, points 24 to 38
21 to 72
Strength to Weight: Bending, points 31 to 43
20 to 45
Thermal Diffusivity, mm2/s 53
13
Thermal Shock Resistance, points 10 to 16
19 to 61

Alloy Composition

Aluminum (Al), % 93.7 to 96.9
0
Carbon (C), % 0
0.93 to 1.1
Chromium (Cr), % 0 to 0.25
1.4 to 1.6
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0 to 0.5
96.5 to 97.3
Magnesium (Mg), % 3.1 to 3.9
0
Manganese (Mn), % 0 to 0.5
0.25 to 0.45
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.5
0.15 to 0.35
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.15
0

Comparable Variants