Hastelloy C22/C276 Flanges
Corrosion-Resistant • High-Temperature & Pressure-Rated • Chemical & Marine Applications
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Hastelloy Flanges are designed for extreme corrosion resistance in highly oxidizing and reducing environments. They are widely used in chemical processing, marine, power generation, and high-pressure applications.
Types of Hastelloy 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 |
| API 6A | Custom sizes | 10,000 / 15,000 / 25,000 PSI | RF, RTJ |
Material Grades: Hastelloy C-22, C-276, C-4, B2, and other corrosion-resistant alloys suitable for chemical and marine environments.
Chemical & Mechanical Properties
- Tensile Strength: 485–690 MPa (depending on grade)
- Yield Strength: 205–450 MPa
- Hardness: 150–240 HB
- Outstanding corrosion resistance in oxidizing and reducing environments
- Excellent high-temperature strength
Applications & Industries
Key Features & Benefits
- Exceptional corrosion resistance in acids and chlorides
- High strength at elevated temperatures
- Leak-proof performance under high pressure
- Customizable sizes, ratings, and face types
- Ideal for extreme chemical and marine environments
Certifications & Quality Assurance
- ISO Certified
- PED & IBR Approved
- Third-party inspection (TPI) available
- Mill Test Certificates (MTC) provided
Frequently Asked Questions
Where are Hastelloy Flanges commonly used?
They are widely used in chemical, marine, pharmaceutical, and high-temperature applications.
What’s the difference between Hastelloy C-22 and C-276?
C-22 has superior resistance to oxidizing agents, while C-276 performs better in reducing and mixed environments.
Can Hastelloy Flanges handle very high pressures?
Yes, they are suitable for ultra-high pressure systems, depending on size and rating.
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