Hastelloy Flanges

Need a dependable hastelloy flange? Hastelloy Flanges on MetalMitra come in all standard face types and pressure classes to ASTM / ASME SB 564 / 160 / 472, ready for reliable pipe-to-pipe and pipe-to-equipment joints.

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.

Available forms & variants

• 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.

Performance highlights

• 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.

Typical applications

• Chemical Processing
• Pollution Control
• Pulp & Paper
• Pharmaceutical
• Waste Treatment
• Petrochemical
• Flue Gas Scrubbers
• Heat Exchangers
• Acid Production
• Sour Gas Service
• Fabrication
• General Engineering

Quality checks & certification

Every lot of Hastelloy Flanges sourced through MetalMitra can be inspected and documented to the governing standard and your purchase order.

• Dimensional inspection
• Visual and surface inspection
• Grade verification against the order
• Chemical composition verification
• Mechanical testing as applicable
• Flange face and bolt-hole inspection
• Non-destructive testing as applicable
• EN 10204 3.1 Mill Test Certificate
• Third-party inspection (TPI) on request

Why buy through MetalMitra

• Checked sellers only — Every supplier profile is screened by MetalMitra before it goes live.
• Faster sourcing — Post one requirement and receive competitive offers without chasing calls.
• Paperwork sorted — MTC 3.1, test reports and TPI arranged as your project demands.
• Global logistics — Seaworthy packing and dispatch to project sites across the world.

Ready to buy?

Send your size, grade, quantity and delivery location for Hastelloy Flanges, and matching suppliers on MetalMitra will come back with offers.

Technical note: Figures shown are indicative. Final acceptance should be based on the applicable standard, approved drawings and the MTC supplied with the material.