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EN 1.3543 Stainless Steel vs. 5182 Aluminum

EN 1.3543 stainless steel belongs to the iron alloys classification, while 5182 aluminum belongs to the aluminum alloys. There are 24 material properties with values for both materials. Properties with values for just one material (9, 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 1.3543 stainless steel and the bottom bar is 5182 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
68
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
25
Tensile Strength: Ultimate (UTS), MPa 730
280 to 420

Thermal Properties

Latent Heat of Fusion, J/g 280
390
Maximum Temperature: Mechanical, °C 870
180
Melting Completion (Liquidus), °C 1430
640
Melting Onset (Solidus), °C 1390
590
Specific Heat Capacity, J/kg-K 480
900
Thermal Conductivity, W/m-K 22
130
Thermal Expansion, µm/m-K 10
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
28
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
94

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
9.5
Density, g/cm3 7.7
2.7
Embodied Carbon, kg CO2/kg material 2.3
8.9
Embodied Energy, MJ/kg 32
150
Embodied Water, L/kg 120
1180

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
51
Strength to Weight: Axial, points 27
29 to 44
Strength to Weight: Bending, points 24
36 to 47
Thermal Diffusivity, mm2/s 6.1
53
Thermal Shock Resistance, points 26
12 to 19

Alloy Composition


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Aluminum (Al), % 0
93.2 to 95.8
Carbon (C), % 1.0 to 1.2
0
Chromium (Cr), % 16 to 18
0 to 0.1
Copper (Cu), % 0
0 to 0.15
Iron (Fe), % 79.1 to 83.6
0 to 0.35
Magnesium (Mg), % 0
4.0 to 5.0
Manganese (Mn), % 0 to 1.0
0.2 to 0.5
Molybdenum (Mo), % 0.4 to 0.8
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 0.2
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 0
0 to 0.25
Residuals, % 0
0 to 0.15