Incoloy 800H Weld Neck Flange DIN 2633 DN80
📌 Product Name
Incoloy 800H Weld Neck Flange, DIN 2633, DN80
📄 Product Description
The Incoloy 800H Weld Neck Flange conforms to DIN 2633 standards for a DN80 (3-inch) pipe size. Manufactured from Incoloy 800H, a high-strength, high-temperature-resistant nickel-chromium alloy, this flange is designed with a long tapered neck to ensure the strongest possible connection to the pipe. The weld neck flange offers superior mechanical strength and is ideal for high-pressure applications and severe operating conditions. It is typically used in industries where high thermal stability and resistance to oxidation and corrosion are critical, such as chemical processing, petrochemical, and power generation.
⭐ Material Characteristics (Incoloy 800H)
Composition: Approximately 32% Nickel, 21% Chromium, Iron-based with added aluminum and titanium
High-Temperature Resistance: Effective up to 1100°C (2012°F), making it ideal for high-temperature applications
Corrosion Resistance: Excellent resistance to oxidation, carburization, and sulfidation, and can withstand acidic and alkaline environments
Strength: Higher creep strength and resistance to stress corrosion cracking compared to standard Incoloy 800
Weldability: Excellent weldability with typical welding methods; no need for preheating or post-weld heat treatment under normal conditions
✅ Advantages
High-Strength and Durability: The weld neck design ensures a strong, permanent connection and distributes stresses evenly, making it suitable for high-pressure and high-stress applications
High-Temperature Performance: With excellent heat resistance up to 1100°C, this flange is ideal for high-temperature environments
Corrosion Resistance: Incoloy 800H provides outstanding resistance to a wide range of corrosive media, including acids, alkalis, and saltwater
Long Service Life: With enhanced resistance to oxidation and carburization, this flange offers durability in harsh operating environments
Versatility: Can be used in applications across several industries, including chemical processing, nuclear power plants, and heat exchangers
⚠️ Disadvantages
Cost: Incoloy 800H is more expensive compared to other materials such as carbon steel or 304 stainless steel
Heavy and Bulky: The weld neck flange design, while strong, is heavier and may require additional handling during installation
Complex Installation: Requires proper welding techniques to ensure a leak-proof connection, which might demand additional skills and equipment
🛠️ Applications
Chemical and petrochemical plants
High-temperature heat exchangers
Power generation and nuclear plants
Flue gas desulfurization systems
Offshore oil and gas applications
Marine and aerospace industries
📐 Technical Specifications (Reference)
| Item | Specification |
|---|---|
| Size | 3 inch (DN80) |
| Standard | DIN 2633 |
| Material | Incoloy 800H (UNS N08810) |
| Type | Weld Neck Flange |
| Pressure Rating | PN16, PN25, PN40 (based on requirement) |
| Surface Finish | Oiled, Polished, or Custom Finish |
| Facing Type | RF (Raised Face) or FF (Flat Face) |
| Compliance | NACE MR0175, EN 10204 3.1/3.2 available |
💼 Our Advantages (SSM Strengths)
✅ 30+ Years of Expertise in providing high-quality alloy flanges for diverse industries
✅ Custom Solutions: Wide range of sizes, materials, and standards available, including DIN, ASME, and JIS
✅ Material Traceability: All products come with mill test certificates and third-party inspection reports
✅ Global Delivery: Fast and reliable worldwide shipping to meet your project deadlines
✅ Technical Support: Dedicated team to assist with any technical questions and custom requirements
✅ Quality Assurance: Full compliance with international standards, including ISO certifications
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