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Inconel Flanges
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High-Temperature Superalloy Flanges

Inconel Flanges

Inconel 600, 625 & 718 flanges for gas turbine, aerospace and high-temperature chemical piping connections.

Inconel Flanges
ASTM / ASME Certified Material

Product Overview

Inconel flanges connect piping in services where temperature and corrosion resistance both exceed what stainless steel can offer — gas turbine exhaust systems, aerospace ground equipment and severe chemical reactor piping.

We stock weld neck, slip-on and blind types across the common Inconel grades, forged and machined to ASME B16.5.

Size Range1/2″ – 16″
Pressure Class150 – 1500#
FacingRF, RTJ
MaterialsInconel 600, 625, 718
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Inconel Flanges — In Our Stockyard

Specification

Flange Types & Standards

TypeStandardDescription
Weld NeckASME B16.5High-temperature, high-pressure connections
Slip OnASME B16.5Economical fitment, moderate service
Blind FlangeASME B16.5Line & vessel opening closure
Technical Data

Specifications

  • Size Range1/2″ – 16″
  • Pressure Class150# – 1500#
  • FacingRaised Face, RTJ
  • Material GradesN06600, N06625, N07718
  • ManufactureForged, machined to ASME B16.5
  • TestingPMI, Hardness, UT on request
  • CertificationEN 10204 3.1 Mill Test Cert.
  • PackingPalletised, bore-plugged for export

Technical Note — Every Inconel flange forging is PMI-tested to confirm nickel-chromium content before final machining — critical since a misidentified forging can be indistinguishable from carbon or stainless steel by eye.

Where It's Used

Applications

Aerospace & Gas Turbines

Chemical Reactors

Power Generation

Marine

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