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5052 Aluminum vs. S35045 Stainless Steel

5052 aluminum belongs to the aluminum alloys classification, while S35045 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, 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 5052 aluminum and the bottom bar is S35045 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
200
Elongation at Break, % 1.1 to 22
39
Fatigue Strength, MPa 66 to 140
170
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
78
Shear Strength, MPa 120 to 180
370
Tensile Strength: Ultimate (UTS), MPa 190 to 320
540
Tensile Strength: Yield (Proof), MPa 75 to 280
190

Thermal Properties

Latent Heat of Fusion, J/g 400
310
Maximum Temperature: Mechanical, °C 190
1100
Melting Completion (Liquidus), °C 650
1390
Melting Onset (Solidus), °C 610
1340
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 140
12
Thermal Expansion, µm/m-K 24
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 120
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
34
Density, g/cm3 2.7
8.0
Embodied Carbon, kg CO2/kg material 8.6
5.8
Embodied Energy, MJ/kg 150
83
Embodied Water, L/kg 1190
230

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.7 to 69
170
Resilience: Unit (Modulus of Resilience), kJ/m3 41 to 590
94
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 19 to 33
19
Strength to Weight: Bending, points 27 to 38
19
Thermal Diffusivity, mm2/s 57
3.2
Thermal Shock Resistance, points 8.3 to 14
12

Alloy Composition

Aluminum (Al), % 95.8 to 97.7
0.15 to 0.6
Carbon (C), % 0
0.060 to 0.1
Chromium (Cr), % 0.15 to 0.35
25 to 29
Copper (Cu), % 0 to 0.1
0 to 0.75
Iron (Fe), % 0 to 0.4
29.4 to 42.6
Magnesium (Mg), % 2.2 to 2.8
0
Manganese (Mn), % 0 to 0.1
0 to 1.5
Nickel (Ni), % 0
32 to 37
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.25
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0
0.15 to 0.6
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0