ASTM B366 Inconel 617 Buttweld Fittings are widely used in industries that demand exceptional strength, high-temperature resistance, and long-term reliability. Manufactured from Inconel® Alloy 617 (UNS N06617 / Werkstoff Nr. 2.4663), these fittings are designed to perform in extreme heat, pressure, and corrosive environments where conventional materials fail.
As an experienced Inconel 617 Pipe Fittings Manufacturer and Exporter in India, we supply ASME SB366 Inconel 617 Pipe Fittings that meet global quality standards and real-world operating conditions. Our fittings are trusted across power plants, petrochemical facilities, aerospace systems, and high-temperature processing industries.
What Are ASTM B366 Inconel 617 Buttweld Fittings?
ASTM B366 Inconel 617 Buttweld Fittings are wrought nickel alloy pipe fittings used to connect pipes by welding. This creates a strong, leak-proof joint capable of handling high stress, pressure, and temperature fluctuations.
These fittings are manufactured in accordance with ASTM B366 / ASME SB366 specifications and are commonly supplied in seamless or welded construction, depending on size and application.
Why Choose Inconel® Alloy 617 Pipe Fittings?
Based on hands-on experience supplying high-temperature nickel alloy fittings, Inconel 617 stands out due to its exceptional metallurgical stability and strength.
- Excellent strength at temperatures up to 980°C
- Outstanding oxidation and carburization resistance
- High resistance to thermal fatigue
- Superior creep and stress rupture properties
- Good weldability compared to many high-nickel alloys
- Long service life with reduced maintenance
This makes Inconel Grade 617 Butt Weld Pipe Fittings ideal for critical and safety-sensitive applications.
Types of ASTM B366 Inconel 617 Buttweld Fittings We Supply
We offer a complete range of Inconel 617 Pipe Fittings to support complex piping systems.
➤ Inconel 617 Elbows
- Werkstoff Nr. 2.4663 90 Degree Elbow
- ASME SB366 Inconel 617 5D Elbow
Used to change flow direction while maintaining strength and pressure integrity.
➤ Inconel 617 Reducers
- ASTM B366 Inconel 617 Eccentric Reducer
- UNS N06617 Concentric Reducer
- Werkstoff Nr. 2.4663 Butt Weld Reducer
Reducers allow smooth transition between different pipe diameters with minimal pressure loss.
➤ Inconel 617 Tee & Cross
- ASME SB366 Inconel 617 Equal Tee Fitting
- ASME SB366 Inconel 617 Cross
Ideal for branching pipelines in high-temperature systems.
➤ Stub Ends & Special Fittings
- UNS N06617 Short Stub End
- ASME SB366 Inconel 617 Barrel Nipple Supplier
Custom sizes and drawings are supported for project-specific requirements.
Applications of Inconel 617 Pipe Fittings
Due to their proven performance, Inconel Alloy 617 Pipe Fittings are widely used in:
- Gas turbines and heat exchangers
- Power generation plants
- Petrochemical and chemical processing
- Aerospace and defense systems
- Nuclear and thermal equipment
- Furnace and high-temperature reactors
Our supply experience helps ensure the right fitting is selected for the right application.
Technical Specifications of Inconel Alloy 617 Pipe Fittings
| Parameter | Details |
|---|---|
| Material Grade | Inconel® Alloy 617 |
| UNS Number | UNS N06617 |
| Werkstoff Number | 2.4663 |
| Standard | ASTM B366 / ASME SB366 |
| Dimensions | ANSI B16.9, ANSI B16.28 |
| Size Range | ½” NB to 48” NB |
| Wall Thickness | SCH 10 to SCH XXS |
| Types | Seamless / Welded |
| End Connection | Buttweld |
| Heat Treatment | Solution Annealed |
| Surface Finish | Pickled, Shot Blasted |
| Testing | PMI, Dimensional, Visual, NDT (on request) |
Chemical Composition of Inconel 617 (UNS N06617)
| Element | Percentage |
|---|---|
| Nickel (Ni) | Balance |
| Chromium (Cr) | 20.0 – 24.0 |
| Cobalt (Co) | 10.0 – 15.0 |
| Molybdenum (Mo) | 8.0 – 10.0 |
| Iron (Fe) | Max 3.0 |
| Aluminum (Al) | 0.8 – 1.5 |
| Carbon (C) | Max 0.15 |
| Manganese (Mn) | Max 1.0 |
| Silicon (Si) | Max 1.0 |
Mechanical Properties of Inconel Alloy 617
| Property | Value |
|---|---|
| Tensile Strength | ≥ 655 MPa |
| Yield Strength (0.2% Offset) | ≥ 310 MPa |
| Elongation | ≥ 30% |
| Hardness | Max 220 HB |
| Density | 8.36 g/cm³ |
| Melting Range | 1332°C – 1380°C |
Manufacturing Standards: ASTM B366 & ASME SB366
All Alloy 617 Buttweld Fittings are produced strictly in accordance with:
- ASTM B366
- ASME SB366
- ANSI B16.9 / ANSI B16.28
- EN / DIN standards (Werkstoff Nr. 2.4663)
Each fitting is manufactured with tight dimensional control, ensuring easy installation and reliable welding performance.
Distributors of Inconel® Alloy 617 ASME SB366 Buttweld Reducer in Mumbai, India
ASTM B366 Inconel 617 Buttweld Fittings are engineered for the most demanding environments where heat, pressure, and corrosion resistance are critical. With superior chemical stability, mechanical strength, and proven field performance, Inconel® Alloy 617 Pipe Fittings deliver unmatched reliability.
As experienced manufacturers, suppliers, stockists, and exporters, we remain committed to delivering ASME SB366 Inconel 617 Pipe Fittings that meet both international standards and real-world industrial demands.
Request Your ASTM B366 Inconel 617 Buttweld Fittings Quote Today!
