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SAE-AISI 1038 Steel vs. 5052 Aluminum

SAE-AISI 1038 steel belongs to the iron alloys classification, while 5052 aluminum belongs to the aluminum 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 SAE-AISI 1038 steel and the bottom bar is 5052 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 180
46 to 83
Elastic (Young's, Tensile) Modulus, GPa 190
68
Elongation at Break, % 14 to 20
1.1 to 22
Fatigue Strength, MPa 220 to 350
66 to 140
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
26
Shear Strength, MPa 370 to 390
120 to 180
Tensile Strength: Ultimate (UTS), MPa 590 to 640
190 to 320
Tensile Strength: Yield (Proof), MPa 320 to 540
75 to 280

Thermal Properties

Latent Heat of Fusion, J/g 250
400
Maximum Temperature: Mechanical, °C 400
190
Melting Completion (Liquidus), °C 1460
650
Melting Onset (Solidus), °C 1420
610
Specific Heat Capacity, J/kg-K 470
900
Thermal Conductivity, W/m-K 51
140
Thermal Expansion, µm/m-K 12
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
35
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
120

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
9.5
Density, g/cm3 7.8
2.7
Embodied Carbon, kg CO2/kg material 1.4
8.6
Embodied Energy, MJ/kg 18
150
Embodied Water, L/kg 46
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83 to 100
1.7 to 69
Resilience: Unit (Modulus of Resilience), kJ/m3 270 to 790
41 to 590
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
50
Strength to Weight: Axial, points 21 to 23
19 to 33
Strength to Weight: Bending, points 20 to 21
27 to 38
Thermal Diffusivity, mm2/s 14
57
Thermal Shock Resistance, points 19 to 20
8.3 to 14

Alloy Composition

Aluminum (Al), % 0
95.8 to 97.7
Carbon (C), % 0.35 to 0.42
0
Chromium (Cr), % 0
0.15 to 0.35
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 98.6 to 99.05
0 to 0.4
Magnesium (Mg), % 0
2.2 to 2.8
Manganese (Mn), % 0.6 to 0.9
0 to 0.1
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0
0 to 0.25
Sulfur (S), % 0 to 0.050
0
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15