
Inconel 718 Long Weld Neck Flange ASME B16.5 4” Class 900
🌟 Inconel 718 Long Weld Neck Flange – ASME B16.5 – 4" Class 900
📋 Product Description:
The Inconel 718 Long Weld Neck Flange, manufactured according to ASME B16.5 standards, is a high-performance flange designed for demanding applications requiring excellent resistance to heat, oxidation, and corrosion. This 4-inch flange, rated Class 900, is made from Inconel 718, a nickel-chromium alloy known for its high strength and superior performance in extreme temperatures and aggressive environments. The long weld neck design provides enhanced strength, making it suitable for critical piping systems in aerospace, chemical, and high-pressure industrial applications.
Material: Inconel 718 (Nickel-Chromium Alloy with High Strength and Corrosion Resistance)
Standard: ASME B16.5 (American Society of Mechanical Engineers)
Size: 4" (NPS)
Pressure Rating: Class 900
Flange Type: Long Weld Neck
Face Type: Raised Face (RF) or Flat Face (FF) depending on application
Temperature Resistance: Excellent at elevated temperatures up to 1300°F (704°C)
Corrosion Resistance: Superior resistance to a wide range of corrosive environments, including acidic and saline conditions
🔧 Key Features:
Inconel 718 provides outstanding strength and resistance to oxidation, corrosion, and fatigue at both high and low temperatures
Long Weld Neck design ensures a smooth flow of fluid and prevents turbulence, reducing the risk of stress concentrations
Rated Class 900, ideal for applications with higher pressure requirements
Raised Face (RF) or Flat Face (FF) options available for enhanced sealing performance
Capable of withstanding extreme temperature fluctuations and highly corrosive environments
Excellent weldability for easy integration into piping systems without the risk of cracking or other welding issues
Stress corrosion cracking resistance makes it ideal for high-stress environments such as aerospace and chemical industries
💡 Applications:
Aerospace and Aviation where high temperature and pressure are critical factors for fuel and hydraulic systems
Chemical processing plants requiring resistance to highly corrosive fluids and environments
Oil and Gas industry for high-pressure applications in exploration, transmission, and processing
Power generation systems, especially in gas turbines and other high-heat environments
Marine and Offshore applications exposed to salty seawater and high-pressure systems
Heat exchangers and other high-stress, high-temperature systems
📊 Technical Specifications:
| Specification | Details |
|---|---|
| Material | Inconel 718 (UNS N07718) |
| Standard | ASME B16.5 (American Society of Mechanical Engineers) |
| Size | 4" (NPS) |
| Pressure Rating | Class 900 (High Pressure) |
| Flange Type | Long Weld Neck |
| Face Type | Raised Face (RF) or Flat Face (FF) |
| Temperature Resistance | Up to 1300°F (704°C) |
| Corrosion Resistance | Excellent in highly corrosive environments |
| Applications | Aerospace, Oil & Gas, Power Generation, Marine, Chemical Processing |
🌍 SSM Quality Assurance:
Manufactured to ASME B16.5 standards, ensuring compliance with high-pressure and high-temperature requirements
Made from Inconel 718, offering superior mechanical properties in extreme temperature environments
Flanges undergo rigorous testing for material properties, weld integrity, and dimensional accuracy
Long Weld Neck design improves structural integrity and supports smooth flow in the system
Available in customized sizes and pressure ratings to fit specific customer needs
Heat-treated for improved strength and enhanced resistance to fatigue and cracking
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