AISI 446 Stainless Steel vs. AWS ERNiCrCoMo-1
AISI 446 stainless steel belongs to the iron alloys classification, while AWS ERNiCrCoMo-1 belongs to the nickel alloys. They have a modest 25% of their average alloy composition in common, which, by itself, doesn't mean much. There are 24 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.
For each property being compared, the top bar is AISI 446 stainless steel and the bottom bar is AWS ERNiCrCoMo-1.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 210 |
| Elongation at Break, % | 23 | |
| 28 |
| Poisson's Ratio | 0.27 | |
| 0.29 |
| Shear Modulus, GPa | 79 | |
| 81 |
| Tensile Strength: Ultimate (UTS), MPa | 570 | |
| 710 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 330 |
| Melting Completion (Liquidus), °C | 1510 | |
| 1420 |
| Melting Onset (Solidus), °C | 1430 | |
| 1370 |
| Specific Heat Capacity, J/kg-K | 490 | |
| 450 |
| Thermal Conductivity, W/m-K | 17 | |
| 13 |
| Thermal Expansion, µm/m-K | 11 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.9 | |
| 1.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.3 | |
| 1.5 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 12 | |
| 75 |
| Density, g/cm3 | 7.7 | |
| 8.5 |
| Embodied Carbon, kg CO2/kg material | 2.4 | |
| 10 |
| Embodied Energy, MJ/kg | 35 | |
| 140 |
| Embodied Water, L/kg | 150 | |
| 350 |
Common Calculations
| Stiffness to Weight: Axial, points | 15 | |
| 14 |
| Stiffness to Weight: Bending, points | 26 | |
| 23 |
| Strength to Weight: Axial, points | 21 | |
| 23 |
| Strength to Weight: Bending, points | 20 | |
| 21 |
| Thermal Diffusivity, mm2/s | 4.6 | |
| 3.5 |
| Thermal Shock Resistance, points | 19 | |
| 19 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 0.8 to 1.5 |
| Carbon (C), % | 0 to 0.2 | |
| 0.050 to 0.15 |
| Chromium (Cr), % | 23 to 27 | |
| 20 to 24 |
| Cobalt (Co), % | 0 | |
| 10 to 15 |
| Copper (Cu), % | 0 | |
| 0 to 0.5 |
| Iron (Fe), % | 69.2 to 77 | |
| 0 to 3.0 |
| Manganese (Mn), % | 0 to 1.5 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 0 | |
| 8.0 to 10 |
| Nickel (Ni), % | 0 to 0.75 | |
| 42.7 to 61.2 |
| Nitrogen (N), % | 0 to 0.25 | |
| 0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.030 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.015 |
| Titanium (Ti), % | 0 | |
| 0 to 0.6 |
| Residuals, % | 0 | |
| 0 to 0.5 |