Midland Alloys Inc
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Inconel 718 Pipes – Manufacturer

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Midland Alloys Inc. is a leading Indian manufacturer and global supplier of Inconel 718 seamless pipes, catering to high performance industries and industrial customers. Being one of India’s top suppliers of Inconel 718, we provide high-end products designed to resist harsh temperatures, pressures, and corrosive environments. With their precise chemical composition, consistent mechanical properties and dependable tensile strength, our Inconel 718 pipes are manufactured to fulfill the precise requirements of chemical, marine and aerospace applications. These pipes provide an exceptional ratio of elongation, yield strength, and area reduction, ensuring structural integrity and long-term durability in demanding working conditions.

Inconel 718 Pipe

Benefits of Inconel 718 Seamless Pipes

Inconel 718 Pipes provide dependable performance in fluctuating thermal and chemical environments. Their unique composition, and structure support critical industrial demands while maintaining dimensional integrity.
  • Outstanding durability at temperatures as high as 700°C
  • High resilience to pitting and oxidation in challenging conditions
  • Maintains its tensile and yield strength when subjected to high pressure.
  • Easy to build and weld without post-weld cracking
  • Endures service at high temperatures and cryogenic conditions.
  • Suitable for intricate projects requiring accurate machining
  • Provides extended service life and reduces the need for maintenance.
  • Cost-effective solution for other high-performance alloys
Specification Inconel 718 Pipes
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The difference between Inconel Alloy 625 and Inconel Alloy 718

Although both Inconel 718 and Inconel 625 are nickel-chromium alloys, their composition, strength, and reaction to heat treatment are different. Inconel 625 is renowned for its superior corrosion resistance and flexibility across various corrosive environments, making it ideal for chemical and marine applications. On the other hand, Inconel 718 has higher niobium, aluminum and titanium, which enables it to be heated through age-hardening processes, increasing its tensile strength and resistance to creep. While Inconel 718 performs exceptionally well in high-stress settings like aerospace components, where strength and fatigue resistance are crucial, Inconel 625 is non-hardenable and is recommended in applications where corrosion is the main concern.

Inconel 718 Pipes Specifications

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, B517, B474, B705, 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 718 Pipes

Manufacturing Types

  • Seamless Pipe
    Seamless Pipe

    Made from solid billets with no welds and ideal for high-pressure, high-temperature, and corrosive environments. It is used in chemical, nuclear, and thermal plants.

  • Welded Pipe
    Welded Pipe

    Formed by rolling and welding flat Inconel sheets. Cost-effective for low to medium pressure use and common in general piping and exhaust systems.

  • ERW Pipe
    ERW Pipe

    Edges are joined using electric resistance and offer consistent thickness and a clean finish. It is suitable for structural and light mechanical applications.

  • EFW Pipe
    EFW Pipe

    It uses electric arc fusion for larger diameters. Strong and corrosion-resistant and best for process piping and pressure systems.

Pipe Forms

  • Round Pipe
    Round Pipe

    Most widely used shape and is good for fluid and gas transport under pressure. Used in heat exchangers, boilers, and process lines.

  • Square Pipe
    Square Pipe

    Provide high structural strength and are easy to align and weld. Common in frames, fabrication, and load-bearing setups.

  • Hexagonal Pipe
    Hexagonal Pipe

    Used in specialty or precision systems, which offer a distinct shape for tight or aesthetic spaces. Chosen for custom and lab-based designs.

Contact Midland Alloys Inc. for Your Inconel 718 Pipes Needs

Contact us today to discuss how Inconel 718 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.

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Technical Details & Delivery Condition

Element C Mn Si S Cr Ni Mo Cu Al Ti Nb+Ta Fe
Min. – – – – 17.0 50.0 2.80 – 0.20 0.65 4.75 Balance
Max. 0.08 0.35 0.35 0.015 21.0 55.0 3.30 0.30 0.80 1.15 5.50 Balance

 

AlloyTensile Strength (MPa) minYield Strength 0.2% Proof (MPa) minElongation (% in 50mm) minReduction of Area (%) minHardness Rockwell C (HRC) max
Inconel 718 Pipe1375 (200 ksi)1100 (160 ksi)121540

 

GradeUNS NoBSEnEuronorm NoAFNORGOSTJapanese JIS
Inconel 718 PipeN07718NA 51NiCr19NbMo2.4668NC19FeNbЭП718NCF 718

Inconel Steel Pipes Grades We Offer

Pipes

Inconel Pipes

Welded Pipes

Inconel 600 Pipes

Seamless Pipes

Inconel 625 Pipes

ERW Pipes

Inconel 718 Pipes

Manufacturing Process of Inconel 718 Pipes

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

Applications of Inconel 718 Pipes

Inconel 718 pipes are widely used in critical environments where a combination of high strength, oxidation resistance, and stress corrosion cracking resistance is essential. In the aerospace industry, these pipes are used for gas turbine components, engine exhaust systems, and high-pressure hydraulic lines. The oil and gas sector relies on Nickel Alloy 718 Seamless Pipe suppliers for downhole tools, wellhead equipment, and high-pressure tubing, due to its resilience under fluctuating temperature and pressure. Inconel 718’s radiation and thermal stability make it suitable for use in nuclear power reactors heat exchangers and reactor cores. The marine industry uses it for propulsion systems and submerged applications, while the chemical processing industry benefits from its resistance to corrosion in acidic environments.
Offshore Industry
Nuclear Industries
Refineries
Ship Building
Aerospace
Pharmaceutical

Why Choose ASTM B163 UNS N07718 Seamless Pipe from Midland Alloys Inc.

Midland Alloys Inc. is a reliable Indian manufacturer and exporter of high-quality ASME SB163 UNS N07718 Seamless Pipe, backed by ISO 9001:2015, ISO 14001:2015, ISO 45001:2018 and PED 2014/68/EU certifications. As a trusted Nickel Alloy 718 Seamless Pipe supplier, we are committed to precision manufacturing and strict compliance with international standards. Our products range from cut-to-length pipes, special end finishes, non-standard wall thickness to custom surface treatments. We ensure each Inconel 718 Seamless Pipe adheres strictly to specifications through in-house examination, mill test certificates and third-party tests. With clients all over the Gulf, Europe, Africa, and Southeast Asia, as we have a strong global presence. Our team ensures on-time delivery, efficient logistics, and personal assistance for small as well as bulk orders. All pipes are marked according to ASTM/ASME specifications and delivered with Mill Test Certificates (MTC) by ensuruing their chemical and mechanical properties, and maintain long-term relations based on trust, quality, and customer satisfaction.

Frequently Asked Questions About Inconel 718 Pipes

Yes, these pipes function well, at temperatures ranging from cryogenic to elevated.

High strength, resistance to corrosion and resistance to oxidation at temperatures as high as 1300°F (704°C), are requirements for Inconel 718. Extreme temperatures and high pressures don’t affect its performance.

Products Categories
ISO Certificate
quality management system certification
ISO 45001 : 2018
iso certificate
CE conformity certificate
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