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S31277 Stainless Steel vs. 6005 Aluminum

S31277 stainless steel belongs to the iron alloys classification, while 6005 aluminum belongs to the aluminum alloys. There are 26 material properties with values for both materials. Properties with values for just one material (8, 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 S31277 stainless steel and the bottom bar is 6005 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
68
Elongation at Break, % 45
9.5 to 17
Fatigue Strength, MPa 380
55 to 95
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 80
26
Shear Strength, MPa 600
120 to 210
Tensile Strength: Ultimate (UTS), MPa 860
190 to 310
Tensile Strength: Yield (Proof), MPa 410
100 to 280

Thermal Properties

Latent Heat of Fusion, J/g 310
410
Maximum Temperature: Mechanical, °C 1100
160
Melting Completion (Liquidus), °C 1460
650
Melting Onset (Solidus), °C 1410
610
Specific Heat Capacity, J/kg-K 460
900
Thermal Expansion, µm/m-K 16
23

Otherwise Unclassified Properties

Base Metal Price, % relative 36
9.5
Density, g/cm3 8.1
2.7
Embodied Carbon, kg CO2/kg material 6.7
8.3
Embodied Energy, MJ/kg 90
150
Embodied Water, L/kg 220
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
27 to 36
Resilience: Unit (Modulus of Resilience), kJ/m3 410
77 to 550
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
51
Strength to Weight: Axial, points 29
20 to 32
Strength to Weight: Bending, points 25
28 to 38
Thermal Shock Resistance, points 19
8.6 to 14

Alloy Composition

Aluminum (Al), % 0
97.5 to 99
Carbon (C), % 0 to 0.020
0
Chromium (Cr), % 20.5 to 23
0 to 0.1
Copper (Cu), % 0.5 to 1.5
0 to 0.1
Iron (Fe), % 35.5 to 46.2
0 to 0.35
Magnesium (Mg), % 0
0.4 to 0.6
Manganese (Mn), % 0 to 3.0
0 to 0.1
Molybdenum (Mo), % 6.5 to 8.0
0
Nickel (Ni), % 26 to 28
0
Nitrogen (N), % 0.3 to 0.4
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.5
0.6 to 0.9
Sulfur (S), % 0 to 0.010
0
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15