6063 Aluminum vs. AISI 316N Stainless Steel
6063 aluminum belongs to the aluminum alloys classification, while AISI 316N stainless steel belongs to the iron alloys. There are 31 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 6063 aluminum and the bottom bar is AISI 316N stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 25 to 95 | |
| 190 to 350 |
| Elastic (Young's, Tensile) Modulus, GPa | 68 | |
| 200 |
| Elongation at Break, % | 7.3 to 21 | |
| 9.0 to 39 |
| Fatigue Strength, MPa | 39 to 95 | |
| 230 to 450 |
| Poisson's Ratio | 0.33 | |
| 0.28 |
| Shear Modulus, GPa | 26 | |
| 78 |
| Shear Strength, MPa | 70 to 190 | |
| 420 to 690 |
| Tensile Strength: Ultimate (UTS), MPa | 110 to 300 | |
| 620 to 1160 |
| Tensile Strength: Yield (Proof), MPa | 49 to 270 | |
| 270 to 870 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 290 |
| Maximum Temperature: Mechanical, °C | 160 | |
| 940 |
| Melting Completion (Liquidus), °C | 650 | |
| 1440 |
| Melting Onset (Solidus), °C | 620 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 900 | |
| 470 |
| Thermal Conductivity, W/m-K | 190 to 220 | |
| 15 |
| Thermal Expansion, µm/m-K | 23 | |
| 16 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 49 to 58 | |
| 2.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 160 to 190 | |
| 2.7 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 19 |
| Density, g/cm3 | 2.7 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 8.3 | |
| 3.9 |
| Embodied Energy, MJ/kg | 150 | |
| 53 |
| Embodied Water, L/kg | 1190 | |
| 150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 13 to 27 | |
| 95 to 230 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 18 to 540 | |
| 180 to 1880 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 50 | |
| 25 |
| Strength to Weight: Axial, points | 11 to 31 | |
| 22 to 41 |
| Strength to Weight: Bending, points | 18 to 37 | |
| 20 to 31 |
| Thermal Diffusivity, mm2/s | 79 to 89 | |
| 4.1 |
| Thermal Shock Resistance, points | 4.8 to 13 | |
| 14 to 26 |
Alloy Composition
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| Aluminum (Al), % | 97.5 to 99.4 | |
| 0 |
| Carbon (C), % | 0 | |
| 0 to 0.080 |
| Chromium (Cr), % | 0 to 0.1 | |
| 16 to 18 |
| Copper (Cu), % | 0 to 0.1 | |
| 0 |
| Iron (Fe), % | 0 to 0.35 | |
| 61.9 to 71.9 |
| Magnesium (Mg), % | 0.45 to 0.9 | |
| 0 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0 to 2.0 |
| Molybdenum (Mo), % | 0 | |
| 2.0 to 3.0 |
| Nickel (Ni), % | 0 | |
| 10 to 14 |
| Nitrogen (N), % | 0 | |
| 0.1 to 0.16 |
| Phosphorus (P), % | 0 | |
| 0 to 0.045 |
| Silicon (Si), % | 0.2 to 0.6 | |
| 0 to 0.75 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Titanium (Ti), % | 0 to 0.1 | |
| 0 |
| Zinc (Zn), % | 0 to 0.1 | |
| 0 |
| Residuals, % | 0 to 0.15 | |
| 0 |