S35000 Stainless Steel vs. 4006 Aluminum
S35000 stainless steel belongs to the iron alloys classification, while 4006 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 S35000 stainless steel and the bottom bar is 4006 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 69 |
| Elongation at Break, % | 2.3 to 14 | |
| 3.4 to 24 |
| Fatigue Strength, MPa | 380 to 520 | |
| 35 to 110 |
| Poisson's Ratio | 0.28 | |
| 0.33 |
| Shear Modulus, GPa | 78 | |
| 26 |
| Shear Strength, MPa | 740 to 950 | |
| 70 to 91 |
| Tensile Strength: Ultimate (UTS), MPa | 1300 to 1570 | |
| 110 to 160 |
| Tensile Strength: Yield (Proof), MPa | 660 to 1160 | |
| 62 to 140 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 900 | |
| 160 |
| Melting Completion (Liquidus), °C | 1460 | |
| 640 |
| Melting Onset (Solidus), °C | 1410 | |
| 620 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 900 |
| Thermal Conductivity, W/m-K | 16 | |
| 220 |
| Thermal Expansion, µm/m-K | 11 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.3 | |
| 56 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.6 | |
| 180 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 14 | |
| 9.0 |
| Density, g/cm3 | 7.8 | |
| 2.7 |
| Embodied Carbon, kg CO2/kg material | 3.2 | |
| 8.1 |
| Embodied Energy, MJ/kg | 44 | |
| 150 |
| Embodied Water, L/kg | 130 | |
| 1180 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 28 to 170 | |
| 5.1 to 26 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1070 to 3360 | |
| 28 to 130 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 50 |
| Strength to Weight: Axial, points | 46 to 56 | |
| 11 to 16 |
| Strength to Weight: Bending, points | 34 to 38 | |
| 19 to 24 |
| Thermal Diffusivity, mm2/s | 4.4 | |
| 89 |
| Thermal Shock Resistance, points | 42 to 51 | |
| 4.9 to 7.0 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 97.4 to 98.7 |
| Carbon (C), % | 0.070 to 0.11 | |
| 0 |
| Chromium (Cr), % | 16 to 17 | |
| 0 to 0.2 |
| Copper (Cu), % | 0 | |
| 0 to 0.1 |
| Iron (Fe), % | 72.7 to 76.9 | |
| 0.5 to 0.8 |
| Magnesium (Mg), % | 0 | |
| 0 to 0.010 |
| Manganese (Mn), % | 0.5 to 1.3 | |
| 0 to 0.050 |
| Molybdenum (Mo), % | 2.5 to 3.2 | |
| 0 |
| Nickel (Ni), % | 4.0 to 5.0 | |
| 0 |
| Nitrogen (N), % | 0.070 to 0.13 | |
| 0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 |
| Silicon (Si), % | 0 to 0.5 | |
| 0.8 to 1.2 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 0 to 0.050 |
| Residuals, % | 0 | |
| 0 to 0.15 |