Inconel 600 (Ni-76Cr-16Fe-8) annealed vs Inconel 617 (Ni-22Cr-12Co-9Mo) annealed
Property comparison of Inconel 600 (Ni-76Cr-16Fe-8) annealed and Inconel 617 (Ni-22Cr-12Co-9Mo) annealed, both nickel alloy.
| Property | Inconel 600 (Ni-76Cr-16Fe-8) annealed | Inconel 617 (Ni-22Cr-12Co-9Mo) annealed | Difference |
|---|---|---|---|
| Yield strength | 240 MPa | 330 MPa | +38% |
| Tensile strength | 550 MPa | 740 MPa | +35% |
| Elongation | 30 % | 55 % | +83% |
| Elastic modulus | 214,000 MPa | 211,000 MPa | -1% |
| Density | 8,420 kg/m³ | 8,360 kg/m³ | -1% |
| Thermal conductivity | 15.9 W/m·K | 13.4 W/m·K | -16% |
| Specific heat | 444 J/kg·K | 419 J/kg·K | -6% |
| Coefficient of thermal expansion | 0.00001 1/K | 0.000013 1/K | +23% |
| Melting point | 1,413 °C | 1,380 °C | -2% |
Difference is Inconel 617 (Ni-22Cr-12Co-9Mo) annealed relative to Inconel 600 (Ni-76Cr-16Fe-8) annealed. Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.
Identification
- grade
- N06600
- standard
- Special Metals Corp. tech bulletin INCONEL alloy 600 (SMC-027)
- heat treatment
- mill-annealed
- grade
- N06617
- standard
- Special Metals Corp. tech bulletin INCONEL alloy 617 (SMC-029)
- heat treatment
- solution-annealed
About Inconel nickel-chromium superalloys
Inconel is a family of nickel-chromium-iron superalloys. They keep strength at temperatures where steels and most stainless grades have failed and resist oxidation and hot corrosion. Inconel 718 is the most widely used grade for aerospace turbine disks and high-temperature fasteners; Inconel 625 is the choice when chloride and reducing-acid corrosion both matter.
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