Overview
Inconel Flanges are nickel-chromium-based superalloys designed for excellent corrosion resistance and high-temperature strength. They are widely used in chemical processing, petrochemical plants, power generation, and offshore applications where extreme conditions exist.
Types of Inconel Flanges
Technical Specifications
| Standard | Size Range | Pressure Rating | Face Type |
|---|---|---|---|
| ASME / ANSI B16.5 & B16.47 | ⅛” to 48” | 150# to 2500# | RF, RTJ |
| DIN | DN10 to DN2000 | PN6 to PN400 | RF, FF |
| BS / EN | Custom sizes | Class 150 – 2500 | RF, FF |
Material Grades: Inconel 600, Inconel 625, Inconel 718, Inconel X-750 – designed for high-temperature and corrosive environments.
Chemical & Mechanical Properties
- Tensile Strength: 570–1100 MPa (depending on grade)
- Yield Strength: 240–860 MPa
- Hardness: 150–350 HB
- Excellent resistance to oxidation, corrosion, and high temperatures
- High creep and thermal fatigue resistance
Applications & Industries
Key Features & Benefits
- Exceptional high-temperature and corrosion resistance
- Durable in chemical, petrochemical, and marine environments
- Wide range of alloy grades available (600, 625, 718, X-750)
- Reliable under high pressure and thermal cycling
- Suitable for valves, pumps, and industrial piping connections
Certifications & Quality Assurance
- ISO Certified
- PED & IBR Approved
- Third-party inspection (TPI) available
- Mill Test Certificates (MTC) provided
Frequently Asked Questions
Where are Inconel Flanges commonly used?
They are used in chemical, petrochemical, power generation, marine, and offshore systems for high-temperature and corrosive conditions.
What grades of Inconel are available in flanges?
Inconel Flanges are available in Inconel 600, 625, 718, and X-750 depending on the application requirements.
Can Inconel Flanges withstand extreme temperatures and corrosive environments?
Yes, Inconel Flanges are designed to withstand high temperatures, oxidation, and severe chemical corrosion.
Difference Between Inconel 600, 601, 625 and 718 Flanges
| Grade | Main Composition | Key Properties | Typical Applications |
|---|---|---|---|
| Inconel 600 | Nickel-Chromium Alloy | Excellent oxidation resistance, good mechanical strength, resistant to high-temperature corrosion. | Heat treatment equipment, chemical processing plants, furnace components. |
| Inconel 601 | Nickel-Chromium with Aluminium | Superior oxidation resistance at elevated temperatures and excellent resistance to carburization. | Industrial furnaces, thermal processing equipment, petrochemical plants. |
| Inconel 625 | Nickel-Chromium-Molybdenum | Outstanding corrosion resistance, high strength, excellent weldability and fatigue resistance. | Marine systems, offshore platforms, chemical processing and aerospace industries. |
| Inconel 718 | Nickel-Chromium with Niobium & Molybdenum | Exceptional tensile strength, creep resistance and performance at extreme temperatures. | Aerospace engines, gas turbines, nuclear reactors and high-pressure equipment. |
Selection Guide: Inconel 600 is preferred for general high-temperature service, Inconel 601 offers enhanced oxidation resistance, Inconel 625 provides superior corrosion resistance for marine and chemical applications, while Inconel 718 is chosen for demanding aerospace and high-strength applications requiring exceptional mechanical performance.
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