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224.0 Aluminum vs. EN 1.3549 Stainless Steel

224.0 aluminum belongs to the aluminum alloys classification, while EN 1.3549 stainless steel belongs to the iron alloys. There are 24 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 224.0 aluminum and the bottom bar is EN 1.3549 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
200
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
77
Tensile Strength: Ultimate (UTS), MPa 380 to 420
730

Thermal Properties

Latent Heat of Fusion, J/g 390
280
Maximum Temperature: Mechanical, °C 220
910
Melting Completion (Liquidus), °C 650
1430
Melting Onset (Solidus), °C 550
1390
Specific Heat Capacity, J/kg-K 870
480
Thermal Conductivity, W/m-K 120
21
Thermal Expansion, µm/m-K 23
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 95
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 11
10
Density, g/cm3 3.0
7.7
Embodied Carbon, kg CO2/kg material 8.3
2.6
Embodied Energy, MJ/kg 160
37
Embodied Water, L/kg 1150
130

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 45
25
Strength to Weight: Axial, points 35 to 38
27
Strength to Weight: Bending, points 38 to 41
24
Thermal Diffusivity, mm2/s 47
5.6
Thermal Shock Resistance, points 17 to 18
26

Alloy Composition

Aluminum (Al), % 93 to 95.2
0
Carbon (C), % 0
0.85 to 1.0
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 4.5 to 5.5
0
Iron (Fe), % 0 to 0.1
77.5 to 82
Manganese (Mn), % 0.2 to 0.5
0 to 1.0
Molybdenum (Mo), % 0
0.9 to 1.3
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.060
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.35
0
Vanadium (V), % 0.050 to 0.15
0.070 to 0.12
Zirconium (Zr), % 0.1 to 0.25
0
Residuals, % 0 to 0.1
0