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324.0 Aluminum vs. N08800 Stainless Steel

324.0 aluminum belongs to the aluminum alloys classification, while N08800 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, 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 N08800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
200
Elongation at Break, % 3.0 to 4.0
4.5 to 34
Fatigue Strength, MPa 77 to 89
150 to 390
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
77
Tensile Strength: Ultimate (UTS), MPa 210 to 310
500 to 1000
Tensile Strength: Yield (Proof), MPa 110 to 270
190 to 830

Thermal Properties

Latent Heat of Fusion, J/g 500
300
Maximum Temperature: Mechanical, °C 170
1100
Melting Completion (Liquidus), °C 610
1390
Melting Onset (Solidus), °C 550
1360
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 150
12
Thermal Expansion, µm/m-K 21
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 120
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
30
Density, g/cm3 2.7
8.0
Embodied Carbon, kg CO2/kg material 7.9
5.3
Embodied Energy, MJ/kg 150
76
Embodied Water, L/kg 1090
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.8 to 8.9
42 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 85 to 510
96 to 1740
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 52
24
Strength to Weight: Axial, points 22 to 32
18 to 35
Strength to Weight: Bending, points 29 to 38
18 to 28
Thermal Diffusivity, mm2/s 62
3.0
Thermal Shock Resistance, points 9.7 to 14
13 to 25

Alloy Composition

Aluminum (Al), % 87.3 to 92.2
0.15 to 0.6
Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0
19 to 23
Copper (Cu), % 0.4 to 0.6
0 to 0.75
Iron (Fe), % 0 to 1.2
39.5 to 50.7
Magnesium (Mg), % 0.4 to 0.7
0
Manganese (Mn), % 0 to 0.5
0 to 1.5
Nickel (Ni), % 0 to 0.3
30 to 35
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 7.0 to 8.0
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.2
0.15 to 0.6
Zinc (Zn), % 0 to 1.0
0
Residuals, % 0 to 0.2
0