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520.0 Aluminum vs. SAE-AISI 1042 Steel

520.0 aluminum belongs to the aluminum alloys classification, while SAE-AISI 1042 steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown. 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 520.0 aluminum and the bottom bar is SAE-AISI 1042 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 75
180 to 200
Elastic (Young's, Tensile) Modulus, GPa 66
190
Elongation at Break, % 14
14 to 18
Fatigue Strength, MPa 55
230 to 370
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 25
73
Shear Strength, MPa 230
380 to 420
Tensile Strength: Ultimate (UTS), MPa 330
620 to 700
Tensile Strength: Yield (Proof), MPa 170
340 to 580

Thermal Properties

Latent Heat of Fusion, J/g 390
250
Maximum Temperature: Mechanical, °C 170
400
Melting Completion (Liquidus), °C 600
1460
Melting Onset (Solidus), °C 480
1420
Specific Heat Capacity, J/kg-K 910
470
Thermal Conductivity, W/m-K 87
52
Thermal Expansion, µm/m-K 25
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 21
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 72
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
1.8
Density, g/cm3 2.6
7.8
Embodied Carbon, kg CO2/kg material 9.8
1.4
Embodied Energy, MJ/kg 160
18
Embodied Water, L/kg 1170
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 39
87 to 94
Resilience: Unit (Modulus of Resilience), kJ/m3 230
320 to 900
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 52
24
Strength to Weight: Axial, points 35
22 to 25
Strength to Weight: Bending, points 41
21 to 22
Thermal Diffusivity, mm2/s 37
14
Thermal Shock Resistance, points 14
20 to 22

Alloy Composition

Aluminum (Al), % 87.9 to 90.5
0
Carbon (C), % 0
0.4 to 0.47
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0 to 0.3
98.5 to 99
Magnesium (Mg), % 9.5 to 10.6
0
Manganese (Mn), % 0 to 0.15
0.6 to 0.9
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.25
0
Sulfur (S), % 0
0 to 0.050
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.15
0
Residuals, % 0 to 0.15
0