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S82013 Stainless Steel vs. 8176 Aluminum

S82013 stainless steel belongs to the iron alloys classification, while 8176 aluminum belongs to the aluminum alloys. There are 30 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 S82013 stainless steel and the bottom bar is 8176 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
69
Elongation at Break, % 34
15
Fatigue Strength, MPa 400
59
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 78
26
Shear Strength, MPa 470
70
Tensile Strength: Ultimate (UTS), MPa 710
160
Tensile Strength: Yield (Proof), MPa 500
95

Thermal Properties

Latent Heat of Fusion, J/g 290
400
Maximum Temperature: Mechanical, °C 970
170
Melting Completion (Liquidus), °C 1420
660
Melting Onset (Solidus), °C 1380
650
Specific Heat Capacity, J/kg-K 480
900
Thermal Conductivity, W/m-K 15
230
Thermal Expansion, µm/m-K 13
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
61
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
200

Otherwise Unclassified Properties

Base Metal Price, % relative 11
9.5
Density, g/cm3 7.7
2.7
Embodied Carbon, kg CO2/kg material 2.4
8.2
Embodied Energy, MJ/kg 34
150
Embodied Water, L/kg 140
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
21
Resilience: Unit (Modulus of Resilience), kJ/m3 640
66
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
50
Strength to Weight: Axial, points 26
16
Strength to Weight: Bending, points 23
24
Thermal Diffusivity, mm2/s 4.0
93
Thermal Shock Resistance, points 20
7.0

Alloy Composition

Aluminum (Al), % 0
98.6 to 99.6
Carbon (C), % 0 to 0.060
0
Chromium (Cr), % 19.5 to 22
0
Copper (Cu), % 0.2 to 1.2
0
Gallium (Ga), % 0
0 to 0.030
Iron (Fe), % 70.5 to 77.1
0.4 to 1.0
Manganese (Mn), % 2.5 to 3.5
0
Nickel (Ni), % 0.5 to 1.5
0
Nitrogen (N), % 0.2 to 0.3
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.9
0.030 to 0.15
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15