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5652 Aluminum vs. SAE-AISI 50B46 Steel

5652 aluminum belongs to the aluminum alloys classification, while SAE-AISI 50B46 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 5652 aluminum and the bottom bar is SAE-AISI 50B46 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 47 to 77
160
Elastic (Young's, Tensile) Modulus, GPa 68
190
Elongation at Break, % 6.8 to 25
21
Fatigue Strength, MPa 60 to 140
220
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
72
Shear Strength, MPa 110 to 170
340
Tensile Strength: Ultimate (UTS), MPa 190 to 290
540
Tensile Strength: Yield (Proof), MPa 74 to 260
310

Thermal Properties

Latent Heat of Fusion, J/g 400
250
Maximum Temperature: Mechanical, °C 190
410
Melting Completion (Liquidus), °C 650
1460
Melting Onset (Solidus), °C 610
1420
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 140
47
Thermal Expansion, µm/m-K 24
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 120
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
1.9
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 8.6
1.4
Embodied Energy, MJ/kg 150
19
Embodied Water, L/kg 1190
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 39
99
Resilience: Unit (Modulus of Resilience), kJ/m3 40 to 480
260
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 51
24
Strength to Weight: Axial, points 20 to 30
19
Strength to Weight: Bending, points 27 to 36
19
Thermal Diffusivity, mm2/s 57
13
Thermal Shock Resistance, points 8.4 to 13
16

Alloy Composition

Aluminum (Al), % 95.8 to 97.7
0
Boron (B), % 0
0.00050 to 0.0030
Carbon (C), % 0
0.44 to 0.49
Chromium (Cr), % 0.15 to 0.35
0.2 to 0.35
Copper (Cu), % 0 to 0.040
0
Iron (Fe), % 0 to 0.4
97.7 to 98.5
Magnesium (Mg), % 2.2 to 2.8
0
Manganese (Mn), % 0 to 0.010
0.75 to 1.0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0 to 0.4
0.15 to 0.35
Sulfur (S), % 0
0 to 0.040
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0