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324.0 Aluminum vs. EN 1.4658 Stainless Steel

324.0 aluminum belongs to the aluminum alloys classification, while EN 1.4658 stainless steel belongs to the iron alloys. There are 27 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 324.0 aluminum and the bottom bar is EN 1.4658 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
210
Elongation at Break, % 3.0 to 4.0
28
Fatigue Strength, MPa 77 to 89
530
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 27
81
Tensile Strength: Ultimate (UTS), MPa 210 to 310
900
Tensile Strength: Yield (Proof), MPa 110 to 270
730

Thermal Properties

Latent Heat of Fusion, J/g 500
300
Maximum Temperature: Mechanical, °C 170
1100
Melting Completion (Liquidus), °C 610
1450
Melting Onset (Solidus), °C 550
1400
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 150
16
Thermal Expansion, µm/m-K 21
13

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
25
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 7.9
4.5
Embodied Energy, MJ/kg 150
61
Embodied Water, L/kg 1090
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.8 to 8.9
240
Resilience: Unit (Modulus of Resilience), kJ/m3 85 to 510
1280
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 52
25
Strength to Weight: Axial, points 22 to 32
32
Strength to Weight: Bending, points 29 to 38
26
Thermal Diffusivity, mm2/s 62
4.3
Thermal Shock Resistance, points 9.7 to 14
24

Alloy Composition

Aluminum (Al), % 87.3 to 92.2
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
26 to 29
Cobalt (Co), % 0
0.5 to 2.0
Copper (Cu), % 0.4 to 0.6
0 to 1.0
Iron (Fe), % 0 to 1.2
50.9 to 63.7
Magnesium (Mg), % 0.4 to 0.7
0
Manganese (Mn), % 0 to 0.5
0 to 1.5
Molybdenum (Mo), % 0
4.0 to 5.0
Nickel (Ni), % 0 to 0.3
5.5 to 9.5
Nitrogen (N), % 0
0.3 to 0.5
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 7.0 to 8.0
0 to 0.5
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 1.0
0
Residuals, % 0 to 0.2
0