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S82012 Stainless Steel vs. 6005A Aluminum

S82012 stainless steel belongs to the iron alloys classification, while 6005A 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 S82012 stainless steel and the bottom bar is 6005A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
69
Elongation at Break, % 40
8.6 to 17
Fatigue Strength, MPa 480
55 to 110
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 78
26
Shear Strength, MPa 550
120 to 180
Tensile Strength: Ultimate (UTS), MPa 800
190 to 300
Tensile Strength: Yield (Proof), MPa 560
100 to 270

Thermal Properties

Latent Heat of Fusion, J/g 280
410
Maximum Temperature: Mechanical, °C 950
170
Melting Completion (Liquidus), °C 1430
650
Melting Onset (Solidus), °C 1380
600
Specific Heat Capacity, J/kg-K 480
900
Thermal Conductivity, W/m-K 15
180 to 190
Thermal Expansion, µm/m-K 13
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
47 to 50
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
150 to 170

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
8.3
Embodied Energy, MJ/kg 35
150
Embodied Water, L/kg 140
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
24 to 29
Resilience: Unit (Modulus of Resilience), kJ/m3 790
76 to 530
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
50
Strength to Weight: Axial, points 29
20 to 30
Strength to Weight: Bending, points 25
27 to 36
Thermal Diffusivity, mm2/s 3.9
72 to 79
Thermal Shock Resistance, points 23
8.6 to 13

Alloy Composition

Aluminum (Al), % 0
96.5 to 99.1
Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 19 to 20.5
0 to 0.3
Copper (Cu), % 0 to 1.0
0 to 0.3
Iron (Fe), % 71.3 to 77.9
0 to 0.35
Magnesium (Mg), % 0
0.4 to 0.7
Manganese (Mn), % 2.0 to 4.0
0 to 0.5
Molybdenum (Mo), % 0.1 to 0.6
0
Nickel (Ni), % 0.8 to 1.5
0
Nitrogen (N), % 0.16 to 0.26
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.8
0.5 to 0.9
Sulfur (S), % 0 to 0.0050
0
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0
0 to 0.15