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5454 Aluminum vs. EN 1.4640 Stainless Steel

5454 aluminum belongs to the aluminum alloys classification, while EN 1.4640 stainless steel belongs to the iron 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 5454 aluminum and the bottom bar is EN 1.4640 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 61 to 93
190 to 200
Elastic (Young's, Tensile) Modulus, GPa 69
200
Elongation at Break, % 2.3 to 18
51
Fatigue Strength, MPa 83 to 160
230 to 250
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
77
Shear Strength, MPa 140 to 200
440 to 460
Tensile Strength: Ultimate (UTS), MPa 230 to 350
620 to 650
Tensile Strength: Yield (Proof), MPa 97 to 290
240 to 260

Thermal Properties

Latent Heat of Fusion, J/g 400
280
Maximum Temperature: Mechanical, °C 190
930
Melting Completion (Liquidus), °C 650
1420
Melting Onset (Solidus), °C 600
1380
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 130
15
Thermal Expansion, µm/m-K 24
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 110
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
14
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 8.6
2.8
Embodied Energy, MJ/kg 150
40
Embodied Water, L/kg 1180
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.3 to 34
250 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 68 to 590
150 to 170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 23 to 36
22 to 23
Strength to Weight: Bending, points 30 to 41
21
Thermal Diffusivity, mm2/s 55
4.0
Thermal Shock Resistance, points 10 to 16
14 to 15

Alloy Composition

Aluminum (Al), % 94.5 to 97.1
0
Carbon (C), % 0
0.030 to 0.080
Chromium (Cr), % 0.050 to 0.2
18 to 19
Copper (Cu), % 0 to 0.1
1.3 to 2.0
Iron (Fe), % 0 to 0.4
67.4 to 73.6
Magnesium (Mg), % 2.4 to 3.0
0
Manganese (Mn), % 0.5 to 1.0
1.5 to 4.0
Nickel (Ni), % 0
5.5 to 6.9
Nitrogen (N), % 0
0.030 to 0.11
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.25
0 to 0.5
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0 to 0.15
0