Midland Alloys Inc. is a trusted manufacturer and supplier of Inconel pipes, known for their outstanding oxidation resistance and thermal stability across demanding environments. These pipes are manufactured in seamless, welded, and clad/lined forms, fully compliant with ASTM, ASME, and DIN/EN standards. Inconel pipe fittings include elbows, tees, reducers, couplings, flanges, caps, and unions designed to support complex piping systems. With ISO 9001 certification, a large inventory, and global export capabilities, Midland Alloys Inc. ensures consistent availability and reliable supply to projects worldwide.

Inconel Pipe

What is Inconel Pipe?

Inconel pipes are high-temperature alloy pipes designed to be able to withstand harsh conditions in thermal and chemical environments. They are applied to join or branch pipelines subject to aggressive service conditions. These pipes remain stable in oxidizing and reducing atmospheres and retain performance from cryogenic temperatures to high heat levels. With excellent weldability and formability, they support complex fabrication. Standards such as ASTM B775, B751, B516, and B517 define their mechanical and dimensional characteristics, enabling precise fitment and high-pressure handling.
Specification Inconel Pipes

Benefits of Inconel Pipes

Inconel pipes provide dependable performance in fluctuating thermal and chemical environments. Their structure withstands oxidation and carburization within a broad temperature range.

Key Technical Benefits:

  • It is perfect for harsh environments like chemical, or marine settings due to it is resistant to rust, oxidation, and chemicals.
  • Suitable for heat exchangers, engines and furnaces, it maintains its strength at high temperatures.
  • It ensures long-lasting performance by withstanding stress and heavy loads without deforming.
  • ductile, enabling seamless fabrication and repair and readily welded without cracks, or weak joints.
  • Utilized in all aerospace, marine, chemical, and construction industries in forms such as sheets, tubes, and fittings.
  • Increased initial cost but minimal maintenance, decreased downtime, and long-term savings.

ASTM, ASME, and DIN specifications for Inconel Pipes

Inconel pipes are produced and tested as per industry approved standards, such as ASTM, ASME and DIN. These requirements provide dimensional accuracy, chemical consistency and ensure performance integrity under pressure and temperature changes.

Specification of Inconel Pipes

Inconel pipes adhere to strict dimensional and technical requirements according to ASTM and ASME codes. These include wall thickness, range of OD, pressure ratings and tolerance levels.
Finish
Sizes in Stock

Seamless Pipe OD : ¼″ NB – 12″ NB
Welded Pipe OD : ½″ NB – 24″ NB
EFW Pipe Size : 6″ NB – 24″ NB

ASTM Standard
Standard

ASTM B167, ASME SB167

Process
Manufacturing Process

Seamless, ERW, Welded, Fabricated

Form
Form

Round, Square, Rectangular, Hydraulic Etc

Length
Length

Single Random, Double Random & Cut Length.

End Icon
End

Plain End, Beveled End, Treaded

Schedule
Schedule

SCH5, SCH10, SCH20, SCH30, SCH40, STD, SCH80, SCH 80S, SCH60, SCH80, SCH120, SCH140, SCH160, SCH XXS, SCH XS

Finish
Surface Finish

No. 2B – Mill finish / Matte finish, No. 4 – Brushed finish, No. 8 – Mirror finish, Bright Annealed – Smooth / Slightly reflective, Polished – Smooth / Enhanced corrosion resistance,Mirror – Highly reflective,

Types of Inconel Pipes

Manufacturing Types

  • Seamless Pipe
    Seamless Pipe

    Weld-free, perfect for even strength and sizing precision.

  • Welded Pipe
    Welded Pipe

    Welded from flat-rolled steel, widely used where economy and large sizes are required.

  • ERW Pipe
    ERW Pipe

    Electric Resistance Welded (ERW) pipes provide neat, high quality weld seams and are ideal for medium-pressure applications.

  • EFW Pipe
    EFW Pipe

    Electric Fusion Welded (EFW) pipes are welded by fusion welding, usually applied in larger diameters and high-demand processes.

Pipe Forms

  • Round Pipe
    Round Pipe

    The most common shape for fluid and gas transport.

  • Square Pipe
    Square Pipe

    Used in architectural and structural applications requiring angular profiles.

  • Rectangular Pipe
    Rectangular Pipe

    Provides greater strength in load-bearing regions and flat structures.

  • Hydraulic Pipe
    Hydraulic Pipe

    Designed to provide precise dimensional control for fluid systems under pressure.

Contact Midland Alloys Inc. for Your Inconel Steel Pipes Needs

Contact us today to discuss how Inconel Steel Pipes can benefit your application. Whether you need guidance in selecting the right pipes or have specific requirements, our team of experts is here to help you find the optimal solution.

Inconel Steel Pipes Grades We Offer

Manufacturing Process of Inconel Pipes

The production of Inconel pipes begins with the selection of certified alloy billets that are cut and formed using hot extrusion or cold drawing. These pipes undergo heat treatment for stress relief and enhanced mechanical strength. Seamless or welded shapes are then formed following shaping according to design requirements. Surface finishing involves pickling or polishing for uniformity. The final examination includes dimensional inspection, non-destructive testing (NDT), and verification of compliance according to ASTM/ASME specifications prior to packaging and shipment.

Round Bar

Round Bar

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Analytic

Analytic

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Cut to Length

Cut to Length

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Centering

Centering

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Heating

Heating

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Perforation

Perforation

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Inspection of Size

Inspection of Size

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Pickling

Pickling

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Inspection of Surface

Inspection of Surface

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Lubricating

Lubricating

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Cold Drawing (Cold Rolling)

Cold Drawing (Cold Rolling)

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Degreasing

Degreasing

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Annealing

Annealing

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Straightening

Straightening

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Cut

Cut

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Pickling / Passivating

Pickling / Passivating

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Inspection

Inspection

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Analytic

Analytic

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Marking

Marking

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Packing & Shipping

Packing & Shipping

Industrial Applications for Inconel Pipes

Industries, that need stability in high-heat or corrosive environments often utilize Inconel pipes. As it can withstand harsh working environments due to their structural strength and resistance to chemical damage. Pulp and paper processing, petrochemical refining, chemical processing, marine engineering, offshore oil and gas and desalination plants are some of the major industries.

Why Choose Midland Alloys Inc.

Midland Alloys Inc. is an ISO 9001 certified Inconel fitting supplier that specializes in providing high-quality, custom-fabricated Inconel products in many forms and finishes. With a reliable global supply chain, we ensure dependable, on-time delivery and 24/7 customer support. We are a reliable partner for industries worldwide due to our dedication to complete material traceability and proficiency in project-based supply of Inconel pipes.

Frequently Asked Questions About Inconel Pipes

Yes, Inconel pipes are suitable for high temperatures due to their outstanding resistance to heat, and oxidation.

Yes, Inconel pipes provide remarkable corrosion resistance in a variety of harsh chemical and marine environments.

The UNS designation, Werkstoff number, and ASTM standards are commonly included in Inconel pipe material codes.

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