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224.0 Aluminum vs. N08801 Stainless Steel

224.0 aluminum belongs to the aluminum alloys classification, while N08801 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, 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 N08801 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
200
Elongation at Break, % 4.0 to 10
34
Fatigue Strength, MPa 86 to 120
260
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
77
Tensile Strength: Ultimate (UTS), MPa 380 to 420
860
Tensile Strength: Yield (Proof), MPa 280 to 330
190

Thermal Properties

Latent Heat of Fusion, J/g 390
300
Maximum Temperature: Mechanical, °C 220
1090
Melting Completion (Liquidus), °C 650
1390
Melting Onset (Solidus), °C 550
1360
Specific Heat Capacity, J/kg-K 870
480
Thermal Conductivity, W/m-K 120
12
Thermal Expansion, µm/m-K 23
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 95
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 11
30
Density, g/cm3 3.0
8.0
Embodied Carbon, kg CO2/kg material 8.3
5.5
Embodied Energy, MJ/kg 160
79
Embodied Water, L/kg 1150
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 35
220
Resilience: Unit (Modulus of Resilience), kJ/m3 540 to 770
92
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 45
24
Strength to Weight: Axial, points 35 to 38
30
Strength to Weight: Bending, points 38 to 41
25
Thermal Diffusivity, mm2/s 47
3.3
Thermal Shock Resistance, points 17 to 18
20

Alloy Composition

Aluminum (Al), % 93 to 95.2
0
Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0
19 to 22
Copper (Cu), % 4.5 to 5.5
0 to 0.5
Iron (Fe), % 0 to 0.1
39.5 to 50.3
Manganese (Mn), % 0.2 to 0.5
0 to 1.5
Nickel (Ni), % 0
30 to 34
Silicon (Si), % 0 to 0.060
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.35
0.75 to 1.5
Vanadium (V), % 0.050 to 0.15
0
Zirconium (Zr), % 0.1 to 0.25
0
Residuals, % 0 to 0.1
0