High Quality Inconel Forged Pipe Fittings
600/601/625/718 • Strength • Sealing • Durability
Get a QuotePremium Inconel 600/601/625/718 Forged Pipe Fittings by Ratnadeep Steel & Engg. Co.
Ratnadeep Steel & Engg. Co. is a trusted manufacturer, exporter, & supplier of Inconel 600 / 601 / 625 / 718 Forged Pipe Fittings. Manufactured from high-performance nickel-chromium-based superalloys, these forged fittings deliver outstanding strength, excellent oxidation resistance, and exceptional durability under extreme temperatures and aggressive chemical environments.
Inconel alloys 600, 601, 625, and 718 are specifically engineered to provide superior resistance to oxidation, carburization, chloride-induced stress corrosion cracking, and high-temperature creep. These grades retain excellent mechanical properties across a wide temperature range, making forged fittings ideal for critical service conditions in aerospace, chemical processing, nuclear power, marine engineering, and oil & gas industries. Our forged pipe fittings are available in threaded and socket weld configurations, ensuring compact, leak-proof, and high-pressure-resistant connections.
Designed for precise alignment, reliable pressure containment, and long service life, our Inconel forged pipe fittings are widely used in heat exchangers, pressure vessels, furnace components, exhaust systems, instrumentation lines, and high-temperature piping applications. Choose Ratnadeep Steel & Engg. Co. for premium-quality Inconel 600 / 601 / 625 / 718 forged fittings that conform to international standards and meet the most demanding industrial specifications.
- Inconel 600/601/625/718 Forged Elbow
- UNS N06600 / N06601 Threaded Elbow
- DIN 2.4856 Forged Elbow
- ASME SB564 Inconel 625 / 718 45° Elbow
- Inconel 600 / 601 / 625 / 718 90° Forged Elbow
- ASTM B564 Inconel 601 Forged Equal Tee
- ASME SB564 Inconel 600 Socket Weld Tee
- DIN 2.4668 Reducing Tee
- UNS N06625 Unequal Tee
- Alloy 600 / 601 Threaded Equal Tee
- Inconel Alloy 600 Threaded Equal Cross
- UNS N07718 / DIN 2.4668 Forged Cross
- ASME SB564 Alloy 601 Socket Weld Cross
- Inconel 625 Threaded Cross
- Inconel 718 Reducing Cross
- UNS N06600 Forged Full Coupling
- DIN 2.4816 Threaded Full Coupling
- ASME SB564 Socket Weld Full Coupling
- ASTM B564 Alloy 600 / 601 Full Coupling
- ASTM B564 Inconel 600 / 601 Half Coupling
- UNS N06600 / N06601 Forged Half Coupling
- ANSI B16.11 Threaded Half Coupling
- Inconel 600 / 601 / 625 / 718 Threaded Pipe Cap
- UNS N07718 Forged End Cap
- ASME SB564 Alloy 625 Forged Pipe Cap
- UNS N06600 Socket Weld Union
- ASTM B564 Alloy 601 / 625 Threaded Union
- ASME SB564 Inconel 600 / 601 / 625 / 718 Union
- UNS N06601 Threaded Bushing
- B16.36 Hex Head Forged Bushing
- ASTM B564 Inconel 601 Threaded Bushing
- ASTM B564 Inconel 600 / 601 Swage Nipple
- UNS N06625 Threaded Pipe Nipple
- ASME SB564 Alloy 600 Hex Nipple
- Inconel 625 / 718 Screwed Pipe Nipple
CHEMICAL COMPOSITION OF INCONEL ALLOY FORGED PIPE FITTINGS
| Grade | C | Mn | Si | S | Cu | Fe | Ni | Cr |
|---|---|---|---|---|---|---|---|---|
| Inconel 600 | 0.15 max | 1.00 max | 0.50 max | 0.015 max | 0.50 max | 6.00 – 10.00 | 72.00 min | 14.00 – 17.00 |
| Inconel 601 | 0.10 max | 1.0 max | 0.5 max | 0.015 max | 1.0 max | Balance | 58.0 – 63.0 | 21.0 – 25.0 |
| Inconel 625 | 0.10 max | 0.50 max | 0.50 max | 0.015 max | – | 5.0 max | 58.0 min | 20.0 – 23.0 |
| Inconel 718 | 0.08 max | 0.35 max | 0.35 max | 0.015 max | 0.30 max | – | 50.00 – 55.00 | 17.00 – 21.00 |
MECHANICAL PROPERTIES OF ASME SB366 INCONEL FORGED PIPE FITTINGS
| Grade | Tensile Strength | Yield Strength (0.2% Offset) | Elongation |
|---|---|---|---|
| Inconel 600 | Psi – 95,000, MPa – 655 | Psi – 45,000, MPa – 310 | 40% |
| Inconel 601 | Psi – 80,000, MPa – 550 | Psi – 30,000, MPa – 205 | 30% |
| Inconel 625 | Psi – 135,000, MPa – 930 | Psi – 75,000, MPa – 517 | 42.5% |
| Inconel 718 | Psi – 135,000, MPa – 930 | Psi – 75,000, MPa – 482 | 45% |
SPECIFICATION OF INCONEL 600/601/625/718 FORGED FITTINGS
| Specifications | ASTM B564 / ASME SB564 |
|---|---|
| Dimension Standard | ASME B16.11, MSS-SP-79, MSS-SP-83, MSS-SP-95, MSS-SP-97, BS3799 |
| Size | 1/8″ NB to 4″ NB |
| Type | Socketweld Fittings, Screwed-Threaded Fittings (NPT or PT Type) |
| Rating Pressure | Threaded End – 2000 / 3000/ 6000 LBS. Socket-weld End – 3000 / 6000/ 9000 LBS. |
600/601/625/718 INCONEL ASTM B366 FORGED FITTINGS EQUIVALENT GRADES
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
|---|---|---|---|---|---|---|---|
| Inconel 600 | 2.4816 | N06600 | NCF 600 | NA 13 | MHXMu 28-2,5-1,5 | NC15FE11M | NiCr15Fe |
| Inconel 601 | 2.4851 | N06601 | NCF 601 | NA 49 | XH60BT | NC23FeA | NiCr23Fe |
| Inconel 625 | 2.4856 | N06625 | NCF 625 | NA 21 | XH75MBTiO | NC22DNB4M | NiCr22Mo9Nb |
| Inconel 718 | 2.4668 | N07718 | – | – | – | – | – |
PHYSICAL PROPERTIES OF INCONEL ALLOY SEAMLESS AND WELDED PIPE FITTINGS
| Grade | Density | Melting Point |
|---|---|---|
| Inconel 600 | 8.47 g/cm³ | 1413 °C (2580 °F) |
| Inconel 601 | 8.1 g/cm³ | 1411 °C (2571 °F) |
| Inconel 625 | 8.4 g/cm³ | 1350 °C (2460 °F) |
| Inconel 718 | 8.2 g/cm³ | 1350 °C (2460 °F) |
💡 Practical Difference in Use
Use Inconel 600/601/625/718 Forged Pipe Fittings when: exceptional strength, high-temperature stability, and superior resistance to oxidation, carburization, and aggressive chemical attack are required in compact, high-pressure piping systems. These nickel-based superalloys are engineered to maintain mechanical integrity under extreme heat, pressure, and corrosive environments, including chloride-induced stress corrosion cracking. → Example: aerospace systems, turbine assemblies, chemical processing plants, nuclear facilities, heat exchangers, furnace components, exhaust systems, and high-temperature instrumentation lines.
Applications of Inconel 600/601/625/718 Forged Pipe Fittings
Inconel Forged Pipe Fittings are designed to provide outstanding resistance to extreme temperatures, oxidation, and severe chemical environments while ensuring secure threaded or socket weld connections in high-pressure service.
- Chemical & Petrochemical: High-temperature reactors, chemical processing lines, and aggressive fluid handling systems.
- Aerospace & Power Generation: Gas turbines, exhaust systems, heat exchangers, and high-pressure auxiliary piping.
- Nuclear & Marine Applications: Nuclear reactor support systems, seawater-cooled equipment, and corrosion-resistant piping.
When to Choose Inconel 600/601/625/718?
These Inconel grades are ideal for forged fittings used in applications demanding extreme thermal stability, high pressure resistance, and long-term performance in chemically aggressive environments.
Choose Inconel 600/601/625/718 when:
- Operating temperatures are extremely high and strength retention is critical
- Systems are exposed to oxidation, carburization, or aggressive chemical attack
- High-pressure piping requires superior fatigue and creep resistance
- Compact threaded or socket weld joints must withstand thermal cycling
- Used in aerospace, nuclear, chemical processing, or high-temperature industrial systems
Industries That Use Inconel 600/601/625/718 Forged Pipe Fittings
Inconel forged fittings are widely used in industries where extreme temperature resistance, superior strength, and long-term operational reliability are essential.
Designed for severe chemical exposure combined with elevated operating temperatures.
Uses
High-temperature reactors, chemical transfer piping, and corrosion-resistant process systems.
Why Inconel?
Provides outstanding resistance to oxidation, chemical attack, and stress corrosion cracking under extreme heat.
Preferred for high-stress, high-temperature aerospace and energy applications.
Uses
Turbine systems, exhaust assemblies, heat exchangers, and auxiliary pressure piping.
Why Inconel?
Maintains exceptional mechanical strength and fatigue resistance under extreme thermal and mechanical loads.
Used in safety-critical systems requiring unmatched material reliability.
Uses
Nuclear reactor support systems, seawater handling lines, and corrosion-resistant pipe networks.
Why Inconel?
Superior resistance to radiation, chloride exposure, and high-temperature corrosion ensures extended service life.
Usage Guide for Inconel 600/601/625/718 Forged Pipe Fittings
Directional change in compact high-pressure forged piping systems.
Choose Socket Weld Elbow when
- 90° or 45° direction change is required
- High-pressure and vibration resistance are critical
- Used in turbines, heat exchangers, or reactors
- Leak-tight socket weld joint is required
Branch flow distribution in high-temperature forged piping systems.
Choose Tee when
- Equal or reducing branch connection is required
- Systems experience pressure and thermal cycling
- Threaded or socket weld integrity is critical
- Used in chemical, nuclear, or power generation plants
Four-way flow distribution in extreme temperature piping networks.
Choose Cross when
- Multiple directional flow paths are required
- High mechanical strength and oxidation resistance are critical
- Used in power generation or chemical process systems
- Threaded or socket weld joints must handle thermal stress
Joins two pipes in straight-line high-temperature service.
Choose Full Coupling when
- Pipe-to-pipe extension is required
- High-pressure threaded or socket weld joint is needed
- Used in heat exchangers or furnace piping
- Long-term strength at elevated temperatures is critical
Provides branch outlet connection on high-temperature pipelines.
Choose Half Coupling when
- Instrumentation or auxiliary outlets are needed
- Socket weld or threaded connection is preferred
- High resistance to thermal fatigue is required
- Used in power, chemical, or aerospace systems
Securely seals pipe ends under extreme heat and pressure.
Choose Pipe Cap when
- Pipe ends must be closed or isolated
- Used for pressure testing or system termination
- Leak-proof threaded sealing is required
- Exposed to high temperatures or corrosive environments
Allows easy disconnection of high-temperature piping assemblies.
Choose Union when
- Frequent dismantling or inspection is required
- High-pressure and thermal resistance are essential
- Used in turbine, furnace, or chemical systems
- Leak-tight threaded connections are needed
Reduces pipe or fitting size in compact high-temperature systems.
Choose Bushing when
- Thread size reduction is required
- Space constraints exist
- Resistance to oxidation and corrosion is essential
- Used in instrumentation or auxiliary piping
Short threaded connection for high-temperature and high-pressure piping systems.
Choose Nipple when
- Compact pipe-to-pipe connection is required
- Systems operate under extreme heat or corrosive media
- Threaded joints must withstand thermal cycling
- Used in chemical processing, power plants, or aerospace systems
Our Forged Pipe Fittings are manufactured using advanced forging processes and undergo extensive quality checks to ensure flawless dimensional accuracy, durability, and long service life. Each fitting is thoroughly inspected using key NDT techniques such as radiographic testing (RT), ultrasonic testing (UT), hydrostatic testing, and visual/dimensional examination. We also perform detailed chemical composition analysis and mechanical property testing to ensure material compliance with strict industry standards.
Throughout the forging and finishing stages, every forged fitting is monitored closely to eliminate defects such as misalignment, surface irregularities, and wall-thickness variations. This ensures perfect joint integrity and high-performance reliability in pipelines carrying high temperatures, pressures, and corrosive media. All our forged fittings fully comply with ASME, ASTM, MSS-SP, and related global specifications, making them a preferred choice for critical piping systems worldwide.
Request a Quote
Looking for high-quality Inconel 600/601/625/718 Forged Pipe Fittings Manufacturer and Exporter in India Buttweld Pipe Fittings? Get in touch with us today.
Contact Us