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364.0 Aluminum vs. N08801 Stainless Steel

364.0 aluminum belongs to the aluminum alloys classification, while N08801 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, 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 364.0 aluminum and the bottom bar is N08801 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
200
Elongation at Break, % 7.5
34
Fatigue Strength, MPa 120
260
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
77
Shear Strength, MPa 200
570
Tensile Strength: Ultimate (UTS), MPa 300
860
Tensile Strength: Yield (Proof), MPa 160
190

Thermal Properties

Latent Heat of Fusion, J/g 520
300
Maximum Temperature: Mechanical, °C 190
1090
Melting Completion (Liquidus), °C 600
1390
Melting Onset (Solidus), °C 560
1360
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 120
12
Thermal Expansion, µm/m-K 21
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 100
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 11
30
Density, g/cm3 2.6
8.0
Embodied Carbon, kg CO2/kg material 8.0
5.5
Embodied Energy, MJ/kg 150
79
Embodied Water, L/kg 1080
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
220
Resilience: Unit (Modulus of Resilience), kJ/m3 180
92
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 53
24
Strength to Weight: Axial, points 31
30
Strength to Weight: Bending, points 38
25
Thermal Diffusivity, mm2/s 51
3.3
Thermal Shock Resistance, points 14
20

Alloy Composition

Aluminum (Al), % 87.2 to 92
0
Beryllium (Be), % 0.020 to 0.040
0
Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0.25 to 0.5
19 to 22
Copper (Cu), % 0 to 0.2
0 to 0.5
Iron (Fe), % 0 to 1.5
39.5 to 50.3
Magnesium (Mg), % 0.2 to 0.4
0
Manganese (Mn), % 0 to 0.1
0 to 1.5
Nickel (Ni), % 0 to 0.15
30 to 34
Silicon (Si), % 7.5 to 9.5
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 0 to 0.15
0
Titanium (Ti), % 0
0.75 to 1.5
Zinc (Zn), % 0 to 0.15
0
Residuals, % 0 to 0.15
0