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224.0 Aluminum vs. AISI 414 Stainless Steel

224.0 aluminum belongs to the aluminum alloys classification, while AISI 414 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 224.0 aluminum and the bottom bar is AISI 414 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
190
Elongation at Break, % 4.0 to 10
17
Fatigue Strength, MPa 86 to 120
430 to 480
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
76
Tensile Strength: Ultimate (UTS), MPa 380 to 420
900 to 960
Tensile Strength: Yield (Proof), MPa 280 to 330
700 to 790

Thermal Properties

Latent Heat of Fusion, J/g 390
280
Maximum Temperature: Mechanical, °C 220
750
Melting Completion (Liquidus), °C 650
1440
Melting Onset (Solidus), °C 550
1400
Specific Heat Capacity, J/kg-K 870
480
Thermal Conductivity, W/m-K 120
25
Thermal Expansion, µm/m-K 23
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 95
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 11
8.0
Density, g/cm3 3.0
7.8
Embodied Carbon, kg CO2/kg material 8.3
2.1
Embodied Energy, MJ/kg 160
29
Embodied Water, L/kg 1150
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 35
140 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 540 to 770
1260 to 1590
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 45
25
Strength to Weight: Axial, points 35 to 38
32 to 34
Strength to Weight: Bending, points 38 to 41
27 to 28
Thermal Diffusivity, mm2/s 47
6.7
Thermal Shock Resistance, points 17 to 18
33 to 35

Alloy Composition

Aluminum (Al), % 93 to 95.2
0
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0
11.5 to 13.5
Copper (Cu), % 4.5 to 5.5
0
Iron (Fe), % 0 to 0.1
81.8 to 87.3
Manganese (Mn), % 0.2 to 0.5
0 to 1.0
Nickel (Ni), % 0
1.3 to 2.5
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.060
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.35
0
Vanadium (V), % 0.050 to 0.15
0
Zirconium (Zr), % 0.1 to 0.25
0
Residuals, % 0 to 0.1
0