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5254 Aluminum vs. EN 1.4436 Stainless Steel

5254 aluminum belongs to the aluminum alloys classification, while EN 1.4436 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 5254 aluminum and the bottom bar is EN 1.4436 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
200
Elongation at Break, % 3.4 to 22
42
Fatigue Strength, MPa 110 to 160
220
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
78
Shear Strength, MPa 150 to 200
430
Tensile Strength: Ultimate (UTS), MPa 240 to 350
620
Tensile Strength: Yield (Proof), MPa 100 to 270
240

Thermal Properties

Latent Heat of Fusion, J/g 400
290
Maximum Temperature: Mechanical, °C 190
960
Melting Completion (Liquidus), °C 640
1450
Melting Onset (Solidus), °C 590
1400
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 130
15
Thermal Expansion, µm/m-K 24
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 110
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
19
Density, g/cm3 2.7
7.9
Embodied Carbon, kg CO2/kg material 8.8
3.9
Embodied Energy, MJ/kg 150
54
Embodied Water, L/kg 1180
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11 to 41
210
Resilience: Unit (Modulus of Resilience), kJ/m3 73 to 550
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 51
25
Strength to Weight: Axial, points 25 to 37
22
Strength to Weight: Bending, points 32 to 41
20
Thermal Diffusivity, mm2/s 52
4.0
Thermal Shock Resistance, points 10 to 16
14

Alloy Composition

Aluminum (Al), % 94.4 to 96.8
0
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0.15 to 0.35
16.5 to 18.5
Copper (Cu), % 0 to 0.050
0
Iron (Fe), % 0 to 0.45
62.3 to 70.5
Magnesium (Mg), % 3.1 to 3.9
0
Manganese (Mn), % 0 to 0.010
0 to 2.0
Molybdenum (Mo), % 0
2.5 to 3.0
Nickel (Ni), % 0
10.5 to 13
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.45
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.15
0