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Nickel Alloy Flanges

Nickel alloy flanges provide secure, leak-resistant connections while maintaining excellent performance under high pressure, extreme temperatures and corrosive conditions.
Our range includes weld neck, slip-on, blind, socket weld and threaded flanges in Inconel®, Incoloy®, Hastelloy®, Monel® and other nickel alloy grades.
Manufactured in various sizes and pressure classes, these flanges are ideal for chemical processing, offshore, oil and gas, marine and power generation systems.

 

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Flanges
Available Grades

Nickel Alloy Flanges products by alloy grade

Product Form Capabilities

Supply support for Flanges

Review the practical supply, processing, quality and delivery capabilities available for this product form.

  • Grade CoverageInconel, Incoloy, Hastelloy, Monel, Nickel, Nimonic and equivalent nickel alloy grades.
  • Size & ProcessingStandard sizes, cut-to-length supply, machining allowance, surface finishing and drawing-based requirements.
  • Standards & QualityASTM, ASME, AMS, EN, DIN and JIS requirements with dimensional, surface and material verification.
  • Certificates & DeliveryMTC EN 10204 3.1, PMI, inspection reports, export packing and international shipping support.
Supply Range

Flanges supply types, size fields and standards

Product Type Size / Specification Fields Reference Standards Buyer Notes
Nickel Alloy Weld Neck Flanges Nominal size, pressure class, bore and pipe schedule supplied to standard or project requirements ASTM B564 / ASME B16.5 / ASME B16.47 Confirm alloy grade, size, pressure class, schedule, facing, quantity and certificate requirements before quotation.
Nickel Alloy Slip-On Flanges Standard or custom bore, nominal size and pressure class ASTM B564 / ASME B16.5 / ASME B16.47 Specify pipe OD, nominal size, pressure class, facing type, dimensional tolerance and inspection requirements.
Nickel Alloy Blind Flanges Nominal size, pressure class, thickness and facing configuration ASTM B564 / ASME B16.5 / ASME B16.47 Confirm pressure and temperature conditions, bolt-hole pattern, facing finish, testing and documentation requirements.
Nickel Alloy Socket-Weld Flanges Small-bore sizes with standard socket dimensions and pressure classes ASTM B564 / ASME B16.5 Specify nominal size, pipe schedule, pressure class, socket bore, facing and matching pipe requirements.
Nickel Alloy Threaded Flanges Metric or imperial thread, standard nominal sizes and pressure classes ASTM B564 / ASME B16.5 / ASME B1.20.1 Confirm thread standard, thread size, pressure class, facing type and sealing requirements.
Nickel Alloy Lap Joint Flanges Standard or custom bore for use with matching short- or long-pattern stub ends ASTM B564 / ASME B16.5 / MSS SP-44 Specify nominal size, pressure class, stub-end dimensions, facing, bolt-hole orientation and surface finish.
Nickel Alloy Orifice Flanges Weld neck or threaded type with pressure taps and standard flange dimensions ASTM B564 / ASME B16.36 Confirm flange type, nominal size, pressure class, tap arrangement, bore, facing and accessory requirements.
Custom Nickel Alloy Flanges Non-standard diameter, thickness, bore, facing or bolt pattern manufactured according to drawing Customer drawing, project specification and applicable ASTM / ASME standards Provide drawings, alloy grade, dimensions, tolerances, pressure rating, testing scope and documentation requirements.

 

Ordering Information

Fields buyers usually confirm for Flanges quotations

  • GradeAlloy name, UNS number or equivalent grade.
  • SizeDimensions, tolerance, length or drawing requirement.
  • StandardASTM, ASME, AMS, EN, DIN, JIS, drawing or project specification.
  • ConditionAnnealed, solution annealed, cold worked, polished, pickled, machined or custom finish.
  • InspectionMTC EN10204 3.1, PMI, UT, dimensional report or third-party inspection.
  • DeliveryDestination, packing requirement, shipping method and delivery deadline.
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FAQ

Frequently asked questions about nickel alloy Flanges

Nickel alloy flanges connect pipes, valves, pumps and other equipment in chemical processing, oil and gas, marine, power generation and high-temperature systems requiring reliable corrosion resistance and pressure containment.

Available types include weld neck, slip-on, socket-weld, threaded, blind, lap-joint and long weld neck flanges, as well as spectacle blinds and custom flanges manufactured to drawings.

Common grades include Inconel 600, Inconel 625, Inconel 718, Incoloy 800H, Incoloy 825, Hastelloy C276, Hastelloy C22, Monel 400, Nickel 200 and Nickel 201.

Nickel alloy flanges can be supplied to ASTM B564, ASME B16.5, ASME B16.47, EN 1092-1 and other relevant standards. The applicable specification depends on the material grade, flange size and pressure rating.

Nickel alloy flanges are commonly available in ASME pressure classes 150, 300, 600, 900, 1500 and 2500. The suitable class must be selected according to the design pressure, temperature, material and piping code.

Please provide the alloy grade, flange type, nominal size, pressure class, facing type, bore or pipe schedule, quantity, applicable standard, testing and certification requirements, and delivery destination.

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