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224.0 Aluminum vs. S42300 Stainless Steel

224.0 aluminum belongs to the aluminum alloys classification, while S42300 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (6, 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 S42300 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
200
Elongation at Break, % 4.0 to 10
9.1
Fatigue Strength, MPa 86 to 120
440
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
77
Tensile Strength: Ultimate (UTS), MPa 380 to 420
1100
Tensile Strength: Yield (Proof), MPa 280 to 330
850

Thermal Properties

Latent Heat of Fusion, J/g 390
270
Maximum Temperature: Mechanical, °C 220
750
Melting Completion (Liquidus), °C 650
1470
Melting Onset (Solidus), °C 550
1420
Specific Heat Capacity, J/kg-K 870
470
Thermal Conductivity, W/m-K 120
25
Thermal Expansion, µm/m-K 23
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
4.5
Electrical Conductivity: Equal Weight (Specific), % IACS 95
5.2

Otherwise Unclassified Properties

Base Metal Price, % relative 11
9.5
Density, g/cm3 3.0
7.8
Embodied Carbon, kg CO2/kg material 8.3
3.2
Embodied Energy, MJ/kg 160
44
Embodied Water, L/kg 1150
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 35
93
Resilience: Unit (Modulus of Resilience), kJ/m3 540 to 770
1840
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 45
25
Strength to Weight: Axial, points 35 to 38
39
Strength to Weight: Bending, points 38 to 41
30
Thermal Diffusivity, mm2/s 47
6.8
Thermal Shock Resistance, points 17 to 18
40

Alloy Composition

Aluminum (Al), % 93 to 95.2
0
Carbon (C), % 0
0.27 to 0.32
Chromium (Cr), % 0
11 to 12
Copper (Cu), % 4.5 to 5.5
0
Iron (Fe), % 0 to 0.1
82 to 85.1
Manganese (Mn), % 0.2 to 0.5
1.0 to 1.4
Molybdenum (Mo), % 0
2.5 to 3.0
Nickel (Ni), % 0
0 to 0.5
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.060
0 to 0.5
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 0 to 0.35
0
Vanadium (V), % 0.050 to 0.15
0.2 to 0.3
Zirconium (Zr), % 0.1 to 0.25
0
Residuals, % 0 to 0.1
0