AISI 204 Stainless Steel vs. EN AC-48000 Aluminum
AISI 204 stainless steel belongs to the iron alloys classification, while EN AC-48000 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 AISI 204 stainless steel and the bottom bar is EN AC-48000 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 210 to 330 | |
| 100 to 110 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 73 |
| Elongation at Break, % | 23 to 39 | |
| 1.0 |
| Fatigue Strength, MPa | 320 to 720 | |
| 85 to 86 |
| Poisson's Ratio | 0.28 | |
| 0.33 |
| Shear Modulus, GPa | 77 | |
| 28 |
| Tensile Strength: Ultimate (UTS), MPa | 730 to 1100 | |
| 220 to 310 |
| Tensile Strength: Yield (Proof), MPa | 380 to 1080 | |
| 210 to 270 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 570 |
| Maximum Temperature: Mechanical, °C | 850 | |
| 190 |
| Melting Completion (Liquidus), °C | 1410 | |
| 600 |
| Melting Onset (Solidus), °C | 1370 | |
| 560 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 890 |
| Thermal Conductivity, W/m-K | 15 | |
| 130 |
| Thermal Expansion, µm/m-K | 17 | |
| 21 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.4 | |
| 33 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.9 | |
| 110 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 10 | |
| 10 |
| Density, g/cm3 | 7.7 | |
| 2.7 |
| Embodied Carbon, kg CO2/kg material | 2.4 | |
| 7.9 |
| Embodied Energy, MJ/kg | 35 | |
| 140 |
| Embodied Water, L/kg | 130 | |
| 1030 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 240 to 250 | |
| 2.2 to 3.0 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 360 to 2940 | |
| 300 to 510 |
| Stiffness to Weight: Axial, points | 14 | |
| 15 |
| Stiffness to Weight: Bending, points | 25 | |
| 53 |
| Strength to Weight: Axial, points | 27 to 40 | |
| 23 to 33 |
| Strength to Weight: Bending, points | 24 to 31 | |
| 31 to 39 |
| Thermal Diffusivity, mm2/s | 4.1 | |
| 54 |
| Thermal Shock Resistance, points | 16 to 24 | |
| 10 to 15 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 80.4 to 87.2 |
| Carbon (C), % | 0 to 0.030 | |
| 0 |
| Chromium (Cr), % | 15 to 17 | |
| 0 |
| Copper (Cu), % | 0 | |
| 0.8 to 1.5 |
| Iron (Fe), % | 69.6 to 76.4 | |
| 0 to 0.7 |
| Magnesium (Mg), % | 0 | |
| 0.8 to 1.5 |
| Manganese (Mn), % | 7.0 to 9.0 | |
| 0 to 0.35 |
| Nickel (Ni), % | 1.5 to 3.0 | |
| 0.7 to 1.3 |
| Nitrogen (N), % | 0.15 to 0.3 | |
| 0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 |
| Silicon (Si), % | 0 to 1.0 | |
| 10.5 to 13.5 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 0 to 0.25 |
| Zinc (Zn), % | 0 | |
| 0 to 0.35 |
| Residuals, % | 0 | |
| 0 to 0.15 |