Inconel 617 (UNS N06617) Alloy Supplier
Stable at temperatures exceeding 1100°C (2000°F)
Leading manufacturer of Inconel 617 plates, pipes, and bars with exceptional creep-rupture strength. Direct factory supply with 100% MTC certification.

Reliable Solutions for Extreme Heat & Oxidation
Gnee supplies premium Inconel 617 in all forms—Bars, Sheets, Tubes, Wire, and Forgings. Engineered for temperatures above 980°C (1800°F), our materials strictly comply with ASTM B166 / B168 / B167 standards to ensure maximum creep-rupture strength for your critical projects.
Custom-Ready
In-house factory for precision cutting and bespoke fabrication.
Quality Assured
Full support for Third-Party Inspection (TPI).
Global Logistics
Massive stock available for fast worldwide delivery.
What is Inconel 617 (UNS N06617 / 2.4663)?
Solid-Solution Strengthened Alloy
Nickel-chromium-cobalt-molybdenum alloy engineered for extreme environments beyond conventional materials.
Exceptional High-Temperature Stability
Maintains strength at temperatures exceeding 1100°C (2000°F) where most alloys fail.
Superior Creep-Rupture Strength
Carries heavy loads for thousands of hours without deformation or failure.
Oxidation & Carburization Resistance
High nickel and chromium content prevents degradation from oxygen and carbon-rich gases.

Parameters Of Inconel Alloy 617
Mechanical Properties
Physical Properties
Chemical Composition
Inconel 617 Product Forms We Manufacture
Using advanced rolling, forging, and drawing machines to ensure precision for global industries.

Plates & Sheets

Seamless & Welded Pipes/Tubes

Round Bars & Forgings

Strips & Wires
International Standards We Follow
Manufactured according to global quality standards for projects from USA to Europe and Asia.
Rod/Bar/Wire
- ASTM B166
- ASME SB166
- DIN 17752
Plate/Sheet/Strip
- ASTM B168
- ASME SB168
- DIN 17750
Pipe/Tube
- ASTM B167, B516
- ASME SB167, SB516
- DIN 17751
Forgings
- ASTM B564
- ASME SB564
- DIN 17754
Where is Inconel 617 Applied?
Used in the most demanding industries worldwide.
Aerospace
Gas turbine engines, ducting, and combustion cans. Handles high-speed air and heat of jet engines.
Power Generation
Ultra-Supercritical power plants steam tubing. Lasts longer under pressure.
Chemical Processing
Nitric acid production and thermal processing equipment with corrosive gases.
Nuclear Engineering
High-temperature gas-cooled reactors (HTGR) for core components.
Welding & Processing of Inconel 617
Welding
One advantage of Alloy 617 is its excellent weldability. It does not require pre-heating or post-weld heat treatment in many cases.
Recommended Welding Method
We recommend using Inconel Filler Metal 617 for TIG or MIG welding to maintain the same properties at the joint.
Key Considerations:
- Ensure surfaces are clean and free of contaminants
- Maintain proper heat control to avoid grain growth
- Use appropriate filler metals to match alloy composition
- Follow correct post-weld cleaning procedures
Machining
Because the alloy is designed to be strong at heat, it is “tough.” Use sharp carbide tools and constant feed speeds to prevent the metal from hardening while you cut it.
Key Machining Recommendations
When machining Inconel 617, use sharp carbide tools and constant feed speeds to prevent the metal from hardening while cutting.
Best Practices:
- Use coolant for heat dissipation during machining
- Maintain constant feed rates to avoid work hardening
- Use positive rake angles for better chip formation
- Keep tool sharp to avoid excessive friction
- Consider using low-speed machining for complex parts
Why Choose Our Factory for Inconel 617?
Direct from source, not middlemen.
Strict Quality Control
Every order undergoes Ultrasonic Testing (UT), X-ray inspection, and Chemical Analysis. Full MTC (Material Test Certificate) with every shipment.
Custom Sizes
Cut plates to your exact dimensions or produce custom pipe sizes that are hard to find in the market.
Advanced Surface Finishing
Pickling, polishing, and sandblasting to ensure your material is ready for immediate use.
Fast Global Shipping
Experience shipping to over 50 countries. Packaging designed to protect from sea-salt corrosion during transport.

Custom Inconel 617 Solutions
One size does not fit all. We provide bespoke manufacturing services.
Custom Melting & Chemical Adjustment
VIM (Vacuum Induction Melting) and ESR (Electroslag Remelting) for high-purity ingots with specific grain size or tighter composition ranges.
Non-Standard Dimensions
Extra-thick plates (over 100mm) or very thin-walled tubes (0.3mm thickness) using 4-high cold rolling mills and heavy-duty forging presses.
Precision Machining & Fabrication
CNC Machining (turning, milling, drilling), Water-jet & Laser Cutting based on CAD files, and Welding Prep (beveling and edge preparation).
Specialized Testing & Certification
NDT (UT, RT, PT), Third-Party Inspection (SGS, BV, TUV, ABS), and export packaging with seaworthy wooden cases and anti-rust vacuum sealing.
Inconel 617 vs Inconel 625
Choose the right alloy for your application.
Inconel 617
Best for long-term exposure to heat above 800°C
Superior creep-rupture strength
Ideal for high-temperature applications
Excellent oxidation and carburization resistance
Choose for Heat Resistance
Inconel 625
Best for sea-water corrosion and high strength at “moderate” temperatures
Excellent corrosion resistance in marine environments
Good weldability and formability
Widely used in aerospace and marine applications
Choose for Corrosion Resistance
FAQs
How do you guarantee the quality of Inconel 617?
Quality is our life. Every batch of Inconel 617 comes with a Material Test Certificate (MTC) according to EN 10204 3.1, listing exact chemical composition and mechanical test results.
What is your minimum order quantity (MOQ)?
For stock items (common plate sizes), no MOQ. For custom-melted orders or non-standard pipes, MOQ is around 500kg. We are open to discussing small trial orders for R&D projects.
Can you provide Inconel 617 welding wire with plates?
Yes. We offer a “One-Stop Solution” and can supply matching ERNiCrCoMo-1 (Filler Metal 617) welding wire so your fabrication team has everything needed for perfect welds.
Ready to Discuss Your Inconel 617 Project?
Direct factory supply with 100% MTC certification and custom manufacturing capabilities.

