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5254 Aluminum vs. EN 1.4905 Stainless Steel

5254 aluminum belongs to the aluminum alloys classification, while EN 1.4905 stainless steel belongs to the iron 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 5254 aluminum and the bottom bar is EN 1.4905 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
190
Elongation at Break, % 3.4 to 22
19
Fatigue Strength, MPa 110 to 160
330
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
76
Shear Strength, MPa 150 to 200
460
Tensile Strength: Ultimate (UTS), MPa 240 to 350
740
Tensile Strength: Yield (Proof), MPa 100 to 270
510

Thermal Properties

Latent Heat of Fusion, J/g 400
270
Maximum Temperature: Mechanical, °C 190
660
Melting Completion (Liquidus), °C 640
1480
Melting Onset (Solidus), °C 590
1440
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 130
26
Thermal Expansion, µm/m-K 24
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
3.7
Electrical Conductivity: Equal Weight (Specific), % IACS 110
4.2

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.7
7.9
Embodied Carbon, kg CO2/kg material 8.8
2.8
Embodied Energy, MJ/kg 150
40
Embodied Water, L/kg 1180
90

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11 to 41
130
Resilience: Unit (Modulus of Resilience), kJ/m3 73 to 550
680
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 51
24
Strength to Weight: Axial, points 25 to 37
26
Strength to Weight: Bending, points 32 to 41
23
Thermal Diffusivity, mm2/s 52
7.0
Thermal Shock Resistance, points 10 to 16
25

Alloy Composition

Aluminum (Al), % 94.4 to 96.8
0 to 0.040
Boron (B), % 0
0.00050 to 0.0050
Carbon (C), % 0
0.090 to 0.13
Chromium (Cr), % 0.15 to 0.35
8.5 to 9.5
Copper (Cu), % 0 to 0.050
0
Iron (Fe), % 0 to 0.45
86.2 to 88.8
Magnesium (Mg), % 3.1 to 3.9
0
Manganese (Mn), % 0 to 0.010
0.3 to 0.6
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 0
0.1 to 0.4
Niobium (Nb), % 0
0.060 to 0.1
Nitrogen (N), % 0
0.050 to 0.090
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.45
0.1 to 0.5
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0 to 0.050
0
Tungsten (W), % 0
0.9 to 1.1
Vanadium (V), % 0
0.18 to 0.25
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.15
0