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238.0 Aluminum vs. EN 1.3542 Stainless Steel

238.0 aluminum belongs to the aluminum alloys classification, while EN 1.3542 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 238.0 aluminum and the bottom bar is EN 1.3542 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 76
190
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 28
76
Tensile Strength: Ultimate (UTS), MPa 210
720

Thermal Properties

Latent Heat of Fusion, J/g 430
270
Maximum Temperature: Mechanical, °C 170
770
Melting Completion (Liquidus), °C 600
1440
Melting Onset (Solidus), °C 510
1390
Specific Heat Capacity, J/kg-K 840
480
Thermal Conductivity, W/m-K 100
29
Thermal Expansion, µm/m-K 21
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
3.1
Electrical Conductivity: Equal Weight (Specific), % IACS 67
3.6

Otherwise Unclassified Properties

Base Metal Price, % relative 12
7.5
Density, g/cm3 3.4
7.7
Embodied Carbon, kg CO2/kg material 7.4
2.0
Embodied Energy, MJ/kg 140
29
Embodied Water, L/kg 1040
100

Common Calculations

Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 42
25
Strength to Weight: Axial, points 17
26
Strength to Weight: Bending, points 23
23
Thermal Diffusivity, mm2/s 37
7.9
Thermal Shock Resistance, points 9.1
26

Alloy Composition

Aluminum (Al), % 81.9 to 84.9
0
Carbon (C), % 0
0.6 to 0.7
Chromium (Cr), % 0
12.5 to 14.5
Copper (Cu), % 9.5 to 10.5
0
Iron (Fe), % 1.0 to 1.5
82.7 to 87.5
Magnesium (Mg), % 0 to 0.25
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.75
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 3.6 to 4.4
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 1.0 to 1.5
0