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N08926 Stainless Steel vs. A384.0 Aluminum

N08926 stainless steel belongs to the iron alloys classification, while A384.0 aluminum belongs to the aluminum 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 N08926 stainless steel and the bottom bar is A384.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
74
Elongation at Break, % 40
2.5
Fatigue Strength, MPa 290
140
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 80
28
Shear Strength, MPa 500
200
Tensile Strength: Ultimate (UTS), MPa 740
330
Tensile Strength: Yield (Proof), MPa 330
170

Thermal Properties

Latent Heat of Fusion, J/g 300
550
Maximum Temperature: Mechanical, °C 1100
170
Melting Completion (Liquidus), °C 1460
610
Melting Onset (Solidus), °C 1410
510
Specific Heat Capacity, J/kg-K 460
880
Thermal Conductivity, W/m-K 12
96
Thermal Expansion, µm/m-K 16
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
23
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
73

Otherwise Unclassified Properties

Base Metal Price, % relative 33
11
Density, g/cm3 8.1
2.8
Embodied Carbon, kg CO2/kg material 6.2
7.5
Embodied Energy, MJ/kg 84
140
Embodied Water, L/kg 200
1010

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
6.9
Resilience: Unit (Modulus of Resilience), kJ/m3 270
180
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 24
50
Strength to Weight: Axial, points 25
32
Strength to Weight: Bending, points 22
38
Thermal Diffusivity, mm2/s 3.2
39
Thermal Shock Resistance, points 16
15

Alloy Composition

Aluminum (Al), % 0
79.3 to 86.5
Carbon (C), % 0 to 0.020
0
Chromium (Cr), % 19 to 21
0
Copper (Cu), % 0.5 to 1.5
3.0 to 4.5
Iron (Fe), % 41.7 to 50.4
0 to 1.3
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 0 to 2.0
0 to 0.5
Molybdenum (Mo), % 6.0 to 7.0
0
Nickel (Ni), % 24 to 26
0 to 0.5
Nitrogen (N), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.5
10.5 to 12
Sulfur (S), % 0 to 0.010
0
Tin (Sn), % 0
0 to 0.35
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0
0 to 0.5