Hastelloy Flanges

Hastelloy Flanges
High-quality Hastelloy Flanges manufactured for secure, leak-tight pipe connections in pressure piping and process systems.
- Weld Neck
- Slip On
- Blind
- Socket Weld
- Threaded
- Lap Joint
- RTJ
Hastelloy Flanges Manufacturer in India
Sawariya Metal Industries is a manufacturer, supplier, stockist and exporter of Hastelloy Flanges in different sizes, grades, specifications and finishes for industrial and engineering applications.
Hastelloy Flanges are forged or machined components used to connect pipes, valves, pumps and equipment, allowing easy assembly, inspection and maintenance of piping systems.
Hastelloy alloys are nickel-molybdenum-chromium based superalloys known for outstanding resistance to a wide range of severe corrosive media, including oxidizing and reducing acids, chlorides and wet chlorine.
Typical applications for Hastelloy Flanges include chemical processing, pollution control, pulp & paper, pharmaceutical, waste treatment, petrochemical, flue gas scrubbers, heat exchangers and general engineering.
Key Features of Hastelloy Flanges
Exceptional Corrosion Resistance
Performs in highly aggressive oxidizing and reducing media.
Pitting & Crevice Resistance
Strong resistance to localized corrosion in chloride environments.
High-Temperature Capability
Retains properties across a wide temperature range.
Weldable
Suitable for fabrication in demanding process equipment.
Hastelloy Flanges Specifications
| Parameter | Specification |
|---|---|
| Standard | ASTM, ASME Flanges, ANSI Flanges, DIN Flanges, EN Flanges, BS Flanges etc |
| Dimensions | ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings |
| Specifications | ASTM / ASME SB 564 / 160 / 472 |
| Size | ½" to 36" |
| Class | 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc |
| Grade | Hastelloy C276 (UNS No. N10276), Hastelloy C22 (UNS No. N06022), Hastelloy B2 (UNS No. N10665), Hastelloy C-4 (UNS No. N06455) |
Types of Hastelloy Flanges
Weld Neck Flanges
Butt-welded flanges for high-pressure and high-temperature service.
Slip On Flanges
Slip over the pipe for easy alignment and welding.
Blind Flanges
Solid flanges used to close pipe ends and openings.
Socket Weld & Threaded Flanges
Compact connections for smaller bore piping.
Lap Joint Flanges
Used with stub ends for easy alignment.
Spectacle & RTJ Flanges
Positive isolation and high-pressure sealing.
Applications & Industries
- Chemical Processing
- Pollution Control
- Pulp & Paper
- Pharmaceutical
- Waste Treatment
- Petrochemical
- Flue Gas Scrubbers
- Heat Exchangers
- Acid Production
- Sour Gas Service
- Fabrication
- General Engineering
Quality & Inspection
Quality-Focused Manufacturing & Supply
Hastelloy Flanges can be supplied with inspection, testing and documentation according to the applicable specification and customer purchase requirements.
- Dimensional inspection
- Visual and surface inspection
- Material grade verification
- Chemical composition verification
- Mechanical testing as applicable
- Flange face and bolt-hole inspection
- Non-destructive testing as applicable
- Mill Test Certificate (MTC)
- Third-party inspection support
Why Choose Our Hastelloy Flanges?
Multiple Pressure Classes
150# to 2500# and PN ratings.
All Flange Types
Weld neck, slip on, blind, socket weld and more.
Accurate Machining
Precise facing and drilling for leak-tight joints.
Custom Flanges
Manufactured as per drawings on request.
Hastelloy Flanges Manufacturer, Supplier & Exporter
Sawariya Metal Industries supplies Hastelloy Flanges for domestic and international projects in a wide range of sizes, grades and specifications. Products can be supplied in standard and custom dimensions according to drawings and purchase order requirements.
Every order can be supported with Mill Test Certificates, inspection reports, third-party inspection on request and secure export-worthy packaging.
Share your size, grade, quantity and specification requirements with our team to receive a competitive quotation for Hastelloy Flanges.
Related Hastelloy Products Products
Hastelloy Buttweld Pipe Fittings
Hastelloy Buttweld Pipe Fittings are welded pipe fittings that are bevelled and butt-welded to the pipe, creating a continuous, high-strength and leak-resistant connection with smooth internal flow.
Hastelloy Socket weld Pipe Fittings
Hastelloy Socket weld Pipe Fittings are forged small-bore pipe fittings with socket weld or threaded ends, manufactured to ASME B16.11 for high-pressure piping and instrumentation lines.
Hastelloy Valves
Hastelloy Valves are flow-control devices used to start, stop, regulate or prevent backflow of liquids and gases in process and utility piping.
Technical Note: Technical values should be verified against the applicable ASTM / ASME / EN specification, purchase order requirements and Mill Test Certificate (MTC) for the supplied product.