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324.0 Aluminum vs. EN 1.4855 Stainless Steel

324.0 aluminum belongs to the aluminum alloys classification, while EN 1.4855 stainless steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (5, 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 1.4855 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
200
Elongation at Break, % 3.0 to 4.0
4.6
Fatigue Strength, MPa 77 to 89
120
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
77
Tensile Strength: Ultimate (UTS), MPa 210 to 310
500
Tensile Strength: Yield (Proof), MPa 110 to 270
250

Thermal Properties

Latent Heat of Fusion, J/g 500
320
Maximum Temperature: Mechanical, °C 170
1050
Melting Completion (Liquidus), °C 610
1400
Melting Onset (Solidus), °C 550
1350
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 150
14
Thermal Expansion, µm/m-K 21
16

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
34
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 7.9
5.9
Embodied Energy, MJ/kg 150
85
Embodied Water, L/kg 1090
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.8 to 8.9
19
Resilience: Unit (Modulus of Resilience), kJ/m3 85 to 510
160
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 52
25
Strength to Weight: Axial, points 22 to 32
18
Strength to Weight: Bending, points 29 to 38
18
Thermal Diffusivity, mm2/s 62
3.7
Thermal Shock Resistance, points 9.7 to 14
11

Alloy Composition

Aluminum (Al), % 87.3 to 92.2
0
Carbon (C), % 0
0.3 to 0.5
Chromium (Cr), % 0
23 to 25
Copper (Cu), % 0.4 to 0.6
0
Iron (Fe), % 0 to 1.2
42.6 to 51.9
Magnesium (Mg), % 0.4 to 0.7
0
Manganese (Mn), % 0 to 0.5
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.3
23 to 25
Niobium (Nb), % 0
0.8 to 1.8
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 7.0 to 8.0
1.0 to 2.5
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 1.0
0
Residuals, % 0 to 0.2
0