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5042 Aluminum vs. SAE-AISI 1005 Steel

5042 aluminum belongs to the aluminum alloys classification, while SAE-AISI 1005 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, 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 5042 aluminum and the bottom bar is SAE-AISI 1005 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
190
Elongation at Break, % 1.1 to 3.4
23
Fatigue Strength, MPa 97 to 120
190
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Shear Strength, MPa 200
210
Tensile Strength: Ultimate (UTS), MPa 340 to 360
330
Tensile Strength: Yield (Proof), MPa 270 to 310
260

Thermal Properties

Latent Heat of Fusion, J/g 400
250
Maximum Temperature: Mechanical, °C 180
400
Melting Completion (Liquidus), °C 640
1470
Melting Onset (Solidus), °C 570
1430
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 130
53
Thermal Expansion, µm/m-K 24
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 110
7.9

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
1.8
Density, g/cm3 2.7
7.9
Embodied Carbon, kg CO2/kg material 8.8
1.4
Embodied Energy, MJ/kg 150
18
Embodied Water, L/kg 1180
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.6 to 12
70
Resilience: Unit (Modulus of Resilience), kJ/m3 550 to 720
180
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 35 to 37
12
Strength to Weight: Bending, points 40 to 42
13
Thermal Diffusivity, mm2/s 53
14
Thermal Shock Resistance, points 15 to 16
10

Alloy Composition

Aluminum (Al), % 94.2 to 96.8
0
Carbon (C), % 0
0 to 0.060
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 0.15
0
Iron (Fe), % 0 to 0.35
99.5 to 100
Magnesium (Mg), % 3.0 to 4.0
0
Manganese (Mn), % 0.2 to 0.5
0 to 0.35
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.2
0
Sulfur (S), % 0
0 to 0.050
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0 to 0.15
0