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EN 1.3543 Stainless Steel vs. 2014A Aluminum

EN 1.3543 stainless steel belongs to the iron alloys classification, while 2014A 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 2014A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
72
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
27
Tensile Strength: Ultimate (UTS), MPa 730
210 to 490

Thermal Properties

Latent Heat of Fusion, J/g 280
400
Maximum Temperature: Mechanical, °C 870
210
Melting Completion (Liquidus), °C 1430
640
Melting Onset (Solidus), °C 1390
510
Specific Heat Capacity, J/kg-K 480
870
Thermal Conductivity, W/m-K 22
150
Thermal Expansion, µm/m-K 10
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
37
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
110

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
11
Density, g/cm3 7.7
3.0
Embodied Carbon, kg CO2/kg material 2.3
8.1
Embodied Energy, MJ/kg 32
150
Embodied Water, L/kg 120
1140

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
46
Strength to Weight: Axial, points 27
19 to 45
Strength to Weight: Bending, points 24
26 to 46
Thermal Diffusivity, mm2/s 6.1
55
Thermal Shock Resistance, points 26
9.0 to 22

Alloy Composition


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Aluminum (Al), % 0
90.8 to 95
Carbon (C), % 1.0 to 1.2
0
Chromium (Cr), % 16 to 18
0 to 0.1
Copper (Cu), % 0
3.9 to 5.0
Iron (Fe), % 79.1 to 83.6
0 to 0.5
Magnesium (Mg), % 0
0.2 to 0.8
Manganese (Mn), % 0 to 1.0
0.4 to 1.2
Molybdenum (Mo), % 0.4 to 0.8
0
Nickel (Ni), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0.5 to 0.9
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 0
0 to 0.25
Zirconium (Zr), % 0
0 to 0.2
Residuals, % 0
0 to 0.15