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AISI 310S Stainless Steel vs. 8011A Aluminum

AISI 310S stainless steel belongs to the iron alloys classification, while 8011A aluminum belongs to the aluminum alloys. There are 30 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 AISI 310S stainless steel and the bottom bar is 8011A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 210
25 to 50
Elastic (Young's, Tensile) Modulus, GPa 200
69
Elongation at Break, % 34 to 44
1.7 to 28
Fatigue Strength, MPa 250 to 280
33 to 76
Poisson's Ratio 0.27
0.33
Shear Modulus, GPa 79
26
Tensile Strength: Ultimate (UTS), MPa 600 to 710
100 to 180
Tensile Strength: Yield (Proof), MPa 270 to 350
34 to 170

Thermal Properties

Latent Heat of Fusion, J/g 310
400
Maximum Temperature: Mechanical, °C 1100
170
Melting Completion (Liquidus), °C 1450
650
Melting Onset (Solidus), °C 1400
630
Specific Heat Capacity, J/kg-K 480
900
Thermal Conductivity, W/m-K 16
210
Thermal Expansion, µm/m-K 16
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
56
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
180

Otherwise Unclassified Properties

Base Metal Price, % relative 25
9.0
Density, g/cm3 7.9
2.7
Embodied Carbon, kg CO2/kg material 4.3
8.2
Embodied Energy, MJ/kg 61
150
Embodied Water, L/kg 190
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200 to 220
3.0 to 22
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 310
8.2 to 200
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
50
Strength to Weight: Axial, points 21 to 25
11 to 18
Strength to Weight: Bending, points 20 to 22
18 to 26
Thermal Diffusivity, mm2/s 4.1
86
Thermal Shock Resistance, points 14 to 16
4.6 to 8.1

Alloy Composition


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Aluminum (Al), % 0
97.5 to 99.1
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 24 to 26
0 to 0.1
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 48.3 to 57
0.5 to 1.0
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 0 to 2.0
0 to 0.1
Nickel (Ni), % 19 to 22
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.5
0.4 to 0.8
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0 to 0.050
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15