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EN 1.3543 Stainless Steel vs. EN AC-51400 Aluminum

EN 1.3543 stainless steel belongs to the iron alloys classification, while EN AC-51400 aluminum belongs to the aluminum alloys. There are 25 material properties with values for both materials. Properties with values for just one material (7, 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 EN AC-51400 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
71
Elastic (Young's, Tensile) Modulus, GPa 200
67
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
25
Tensile Strength: Ultimate (UTS), MPa 730
190

Thermal Properties

Latent Heat of Fusion, J/g 280
400
Maximum Temperature: Mechanical, °C 870
170
Melting Completion (Liquidus), °C 1430
640
Melting Onset (Solidus), °C 1390
600
Specific Heat Capacity, J/kg-K 480
910
Thermal Conductivity, W/m-K 22
110
Thermal Expansion, µm/m-K 10
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
31
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
110

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
9.1
Embodied Energy, MJ/kg 32
150
Embodied Water, L/kg 120
1170

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
51
Strength to Weight: Axial, points 27
20
Strength to Weight: Bending, points 24
28
Thermal Diffusivity, mm2/s 6.1
46
Thermal Shock Resistance, points 26
8.6

Alloy Composition


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Aluminum (Al), % 0
90.5 to 95.5
Carbon (C), % 1.0 to 1.2
0
Chromium (Cr), % 16 to 18
0
Copper (Cu), % 0
0 to 0.050
Iron (Fe), % 79.1 to 83.6
0 to 0.55
Magnesium (Mg), % 0
4.5 to 6.5
Manganese (Mn), % 0 to 1.0
0 to 0.45
Molybdenum (Mo), % 0.4 to 0.8
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 1.5
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15