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S35135 Stainless Steel vs. 2024 Aluminum

S35135 stainless steel belongs to the iron alloys classification, while 2024 aluminum belongs to the aluminum alloys. There are 26 material properties with values for both materials. Properties with values for just one material (7, 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 S35135 stainless steel and the bottom bar is 2024 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
71
Elongation at Break, % 34
4.0 to 16
Fatigue Strength, MPa 180
90 to 180
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 79
27
Shear Strength, MPa 390
130 to 320
Tensile Strength: Ultimate (UTS), MPa 590
200 to 540
Tensile Strength: Yield (Proof), MPa 230
100 to 490

Thermal Properties

Latent Heat of Fusion, J/g 320
390
Maximum Temperature: Mechanical, °C 1100
200
Melting Completion (Liquidus), °C 1430
640
Melting Onset (Solidus), °C 1380
500
Specific Heat Capacity, J/kg-K 470
880
Thermal Expansion, µm/m-K 16
23

Otherwise Unclassified Properties

Base Metal Price, % relative 37
11
Density, g/cm3 8.1
3.0
Embodied Carbon, kg CO2/kg material 6.8
8.3
Embodied Energy, MJ/kg 94
150
Embodied Water, L/kg 220
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
20 to 68
Resilience: Unit (Modulus of Resilience), kJ/m3 130
70 to 1680
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
46
Strength to Weight: Axial, points 20
18 to 50
Strength to Weight: Bending, points 19
25 to 49
Thermal Shock Resistance, points 13
8.6 to 24

Alloy Composition

Aluminum (Al), % 0
90.7 to 94.7
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 20 to 25
0 to 0.1
Copper (Cu), % 0 to 0.75
3.8 to 4.9
Iron (Fe), % 28.3 to 45
0 to 0.5
Magnesium (Mg), % 0
1.2 to 1.8
Manganese (Mn), % 0 to 1.0
0.3 to 0.9
Molybdenum (Mo), % 4.0 to 4.8
0
Nickel (Ni), % 30 to 38
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0.6 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0.4 to 1.0
0 to 0.15
Zinc (Zn), % 0
0 to 0.25
Zirconium (Zr), % 0
0 to 0.2
Residuals, % 0
0 to 0.15