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EN 1.4510 Stainless Steel vs. 2024 Aluminum

EN 1.4510 stainless steel belongs to the iron alloys classification, while 2024 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, 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 EN 1.4510 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, % 26
4.0 to 16
Fatigue Strength, MPa 190
90 to 180
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 77
27
Shear Strength, MPa 330
130 to 320
Tensile Strength: Ultimate (UTS), MPa 510
200 to 540
Tensile Strength: Yield (Proof), MPa 270
100 to 490

Thermal Properties

Latent Heat of Fusion, J/g 280
390
Maximum Temperature: Mechanical, °C 870
200
Melting Completion (Liquidus), °C 1440
640
Melting Onset (Solidus), °C 1400
500
Specific Heat Capacity, J/kg-K 480
880
Thermal Conductivity, W/m-K 25
120
Thermal Expansion, µm/m-K 11
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
30
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
90

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
11
Density, g/cm3 7.7
3.0
Embodied Carbon, kg CO2/kg material 2.2
8.3
Embodied Energy, MJ/kg 32
150
Embodied Water, L/kg 120
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
20 to 68
Resilience: Unit (Modulus of Resilience), kJ/m3 180
70 to 1680
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
46
Strength to Weight: Axial, points 18
18 to 50
Strength to Weight: Bending, points 18
25 to 49
Thermal Diffusivity, mm2/s 6.7
46
Thermal Shock Resistance, points 17
8.6 to 24

Alloy Composition

Aluminum (Al), % 0
90.7 to 94.7
Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 16 to 18
0 to 0.1
Copper (Cu), % 0
3.8 to 4.9
Iron (Fe), % 79.1 to 83.9
0 to 0.5
Magnesium (Mg), % 0
1.2 to 1.8
Manganese (Mn), % 0 to 1.0
0.3 to 0.9
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0.15 to 0.8
0 to 0.15
Zinc (Zn), % 0
0 to 0.25
Zirconium (Zr), % 0
0 to 0.2
Residuals, % 0
0 to 0.15