When extreme temperatures and corrosive environments demand reliability, Inconel 617 forgings deliver unmatched performance. At TSM Technology, we specialize in precision-engineered solutions that meet the rigorous demands of aerospace, energy, and petrochemical industries. With over 14 years of expertise, our AS9100D-certified processes ensure every forging combines superior oxidation resistance with tight tolerances—ideal for mission-critical components.

INCONEL® alloy 617 is a nickel-chromium-cobalt-molybdenum alloy renowned for its exceptional high-temperature strength and oxidation resistance. Its robust chemical composition, coupled with superior mechanical properties and availability in various forms and sizes, makes it indispensable for critical applications requiring reliability and performance under extreme conditions.
By understanding its chemical composition, mechanical properties, applications, and adherence to production standards, engineers and designers can leverage the unique capabilities of INCONEL® alloy 617 to enhance operational efficiency and ensure long-term durability.
For detailed technical specifications and further inquiries, please refer to the specific product data sheets and consult with TSM Technology.
INCONEL® alloy 617 is meticulously engineered with a specific chemical composition to optimize its performance under high-temperature and corrosive conditions
| Element | Nickel (Ni) | Chromium (Cr) | Cobalt (Co) | Molybdenum (Mo) | Iron (Fe) | Aluminum (Al) | Titanium (Ti) | Manganese (Mn) | Silicon (Si) | Carbon (C) | Phosphorus (P) | Sulfur (S) |
| Composition (%) | 44.5-56.0 | 20.0-24.0 | 10.0-15.0 | 8.0-10.0 | 3.0 max | 0.4-1.0 | 0.6-1.4 | 0.5 max | 0.5 max | 0.05-0.15 | 0.015 max | 0.015 max |
INCONEL® alloy 617 exhibits excellent mechanical strength and durability across a wide range of temperatures:
| Property | Value |
|---|---|
| Tensile Strength | 760 MPa (110 ksi) min |
| Yield Strength (0.2% offset) | 350 MPa (51 ksi) min |
| Elongation | 30% min |
| Hardness (Brinell) | 241 max (annealed condition) |
| Density | 8.42 g/cm³ |
INCONEL® alloy 617 is known by different grades in various countries and regions:
| Country/Region | Grade |
|---|---|
| USA | UNS N06617 |
| Germany | 2.4663 |
| France | NC22KDA |
INCONEL® alloy 617 adheres to several international production standards:
| Standard | Description |
|---|---|
| ASTM B166 | Bars, rods, and wires |
| ASTM B168 | Sheets, plates, and strips |
| ASTM B167 | Seamless pipes and tubes |
| ASTM B517 | Welded tube |
| ASTM B516 | Welded pipe |
| ASTM B564 | Forgings |
| ASTM B366 | Fittings |



Precision Forging
Achieve ±0.01mm tolerances using 5-axis CNC machining and hydraulic presses (up to 10,000 tons).
01
Proven Durability
Third-party validated SCC resistance via NACE TM0177 testing at 90% AYS.
02
Global Compliance
Single-source adherence to ASTM B564, ASME SB564, and EN 10095 standards.
03
Rapid Turnaround
Prototype to bulk production in 6–8 weeks—30% faster than industry averages.
04
Standards Met: AMS 5887, API 6A, PED 2014/68/EU
Testing Protocols:
Documentation: Mill Test Reports (MTRs), Inspection Test Plans (ITPs), and 3.1/3.2 material certificates.


Q: What's the minimum order quantity for custom shapes?
A: MOQ starts at 50 units for standard profiles. Contact us for project-specific terms.
Q: How do you ensure defect-free forgings for nuclear components?
A: We employ UT, RT, and ET testing alongside ASTM G28 corrosion validation.
Q: Can you match aerospace-grade surface finishes?
A: Yes—we achieve Ra ≤3.2µm finishes, with electropolishing or shot peening options.
Ready to Elevate Your Project Inconel 617 Forgings?
Need more details? Email us at info@tsmnialloy.com.
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