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5059 Aluminum vs. EN 1.3543 Stainless Steel

5059 aluminum belongs to the aluminum alloys classification, while EN 1.3543 stainless steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (8, 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 5059 aluminum and the bottom bar is EN 1.3543 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
200
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
76
Tensile Strength: Ultimate (UTS), MPa 350 to 410
730

Thermal Properties

Latent Heat of Fusion, J/g 390
280
Maximum Temperature: Corrosion, °C 65
390
Maximum Temperature: Mechanical, °C 210
870
Melting Completion (Liquidus), °C 650
1430
Melting Onset (Solidus), °C 510
1390
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 110
22
Thermal Expansion, µm/m-K 24
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 95
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.0
Density, g/cm3 2.7
7.7
Embodied Carbon, kg CO2/kg material 9.1
2.3
Embodied Energy, MJ/kg 160
32
Embodied Water, L/kg 1160
120

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 36 to 42
27
Strength to Weight: Bending, points 41 to 45
24
Thermal Diffusivity, mm2/s 44
6.1
Thermal Shock Resistance, points 16 to 18
26

Alloy Composition

Aluminum (Al), % 89.9 to 94
0
Carbon (C), % 0
1.0 to 1.2
Chromium (Cr), % 0 to 0.25
16 to 18
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0 to 0.5
79.1 to 83.6
Magnesium (Mg), % 5.0 to 6.0
0
Manganese (Mn), % 0.6 to 1.2
0 to 1.0
Molybdenum (Mo), % 0
0.4 to 0.8
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.45
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0.4 to 0.9
0
Zirconium (Zr), % 0.050 to 0.25
0
Residuals, % 0 to 0.15
0