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Inconel Pipes & Tubes

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The Inconel 600, 625, and 718 pipes and tubes are designed to operate under extreme temperatures and corrosion conditions in which stainless steel and common alloys cannot operate. Being a reliable provider of Inconel seamless pipes, welded pipes, and precision tubes, we provide certified nickel-chromium alloys to be used in the long-lasting performance of chemical processing, marine systems, heat exchangers, aerospace parts, and high-pressure equipment.

Stellar Alloys Steel Pipes and Tubes offer certified Inconel material, which performs better than stainless steel and other conventional alloys. We hold a large inventory of Inconel pipe, welded tube, machined fittings, and seamless tube.

We also ensure consistency of the material reliability by strict quality checks and provide complete paperwork of speedy delivery services.

Inconel Heat Exchanger Tubing, Inconel ERW Pipes & Tubes, Inconel Hexagonal Tubes, Inconel Cold Drawn Pipes, Inconel Rectangular Tubing Supplier, Inconel EFW Pipes & Tubes, Inconel Round Pipes, Inconel Hollow Pipes & Tubes.

Leading Supplier of Inconel Pipes, Tubes & Fittings Grades 600, 625, 718, 825

Inconel Product:

Our product line features the most popular grades, each offering specific benefits:

  • Inconel 600: It comes with good heat resistance and high oxidation resistance.
  • Inconel 625: Offers good resistance to acids and hostile chemicals as well as great corrosion protection.
  • Inconel 718: It has better high-pressure and high-strength.

Stellar Alloys Steel Pipes and Tubes is an inconel pipe supplier, and also a manufacturer of seamless and welded pipes of all popular schedules with cut lengths of the project with project project-specific cut lengths, export package and full documentation, including MTC and traceability. Each batch has a highly rigorous quality inspection to make sure that it is dimensionally accurate, has mechanical integrity and consistent performance in the fabrication and industrial service.

You need material, whether new construction, replacement of maintenance or shutdown, our Inconel line of pipe products, grades 600, 625, 718, and 825, is available to help your operations run smoothly with consistent delivery schedules. Inconel 600 vs Inconel 625 pipes, you can also go into the grade comparison detail there.

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Table of Contents

What Is Inconel Pipe and Inconel Tubes?

Inconel pipes and Inconel tubes are superior nickel-chromium-based alloys, which are designed to provide excellent strength, corrosion, and thermal stability in hostile operating conditions. These alloys, such as Inconel 600, Inconel 625, and Inconel 718 pipes and tubes, are very popular where stainless steel and carbon steel cannot perform well at high temperatures, pressure variations, or due to acidic and chloride-containing media.

The performance of Inconel alloys is based upon the balanced concentration of nickel, chromium, and molybdenum. The Inconel offers good resistance to oxidation, carburization, pitting, stress corrosion cracks, and chloride stress corrosion cracking, thus making Inconel seamless pipes, welded pipes, ERW pipes, round tubes, and square and rectangular tubes dependable in long-term industrial use.

Inconel 600 is stable in thermal cycling, Inconel 625 has good corrosion resistance in seawater and chemical processing facilities, and Inconel 718 has excellent tensile and yield strength in high-pressure and high-temperature processes.

ASTM B167, ASTM B516, ASTM B517, and ASTM B444 standards on manufacturing provide a dimensional accuracy, controlled microstructure, and uniform performance of both seamless and welded products (Inconel pipes and tubes) of Inconel. These standards give specifications of wall thickness, sizes of NPS testing, heat treatment, mechanical properties, and testing requirements, which are useful in the construction of reliable fabrication, machining, and high-stress system designs.

The Inconel pipes and Inconel tubes size are also required in the heat exchangers, chemical reactors, condensers, power plant boilers, marine systems, offshore structures, oil and gas processing units, and aerospace assemblies since their service life is extended. Engineers who have to come up with high-integrity systems can use them since they are corrosion-resistant and can remain strong even at temperatures that reach higher than 1000°C.

In summary, Inconel alloy pipes and tubes provide unmatched stability and performance in industries where material reliability is non-negotiable.

Inconel Grades We Supply

Inconel Pipes and Inconel Tubes Supplier in Seamless, Welded and ERW

We also provide a full line of Inconel pipes and inconel tubes used in high-temperature and corrosion-resistant environments to serve down the line of critical industries. Inconel seamless pipes, welded pipes, ERW pipes and precision-drawn tubes are part of our product scope and are produced to standards of the ASTM B167, B516, B517 and B444 to guarantee reliability in materials and uniform mechanical characteristics.

With every Inconel 600 pipe, Inconel 625 pipe and Inconel 718 pipe and tube, a rigorous quality test is carried out to ensure that the dimensions are accurate and resistant to corrosion and pressure strength. 0DOF pipes are used in cases where the pressure and temperature are extremely high, and welded and ERW pipes are used in general engineering and process systems. Tubes have come in round, square and rectangular shapes in order to serve the needs of custom fabrication and project-specific design.

We are a committed supplier and stockist of Inconel  products, and as such, we have ready inventory that is fully traceable and with MTC records to facilitate prompt delivery and reliable supply of industrial, mechanical and engineering requirements.

Types of Inconel Pipes and Inconel Tubes

Alloy Seamless Pipe
Alloy Seamless Pipe
Alloy Welded Pipe
Alloy Welded Pipe
Alloy ERW Pipe
Alloy ERW Pipe
Alloy EFW Pipe
Alloy EFW Pipe
Inconel Seamless Tube
Inconel Seamless Tube
Inconel Alloy Welded Tube
Inconel Alloy Welded Tube

Inconel Pipe and Tube Specifications and Material Grades

These specifications outline the dimensional range, manufacturing types, and applicable standards for Inconel pipes and Inconel tubes.

Specification Details
Standards ASTM B167, B725, B516, B444, B705, B704, B407, ASTM B423 / ASME SB167, SB725, SB516, SB444, SB705, SB704, SB407, SB514, SB515, SB423
Pipe Size 15 NB to 600 NB in SCH 5S, 10S, 10, 20, 40S, 40, STD, 60, 80S, 80, XS, 100, 120, 140, 160 and XXS
Tube Size 1 mm OD to 254 mm OD in 0.2 mm to 20 mm thickness
Type Seamless / ERW / Welded / Fabricated
Length Single Random, Double Random, Cut Length
End Finish Plain End, Beveled End, Threaded
Grades Available Inconel 600, Inconel 625, Inconel 718, Inconel 800, Inconel 825

Leading supplier of Inconel alloy pipes and tubes in seamless, welded and ERW forms, delivering ASTM and ASME compliant materials with full traceability and testing records.

Chemical Composition of Inconel Pipes and Inconel Tubes

This table shows the chemical composition of Inconel pipes and inconel tubes across different grades, highlighting the percentage of key alloying elements. It helps in selecting the right material based on corrosion resistance, strength, and performance in high-temperature and aggressive environments.

Grade UNS No Nickel (Ni) Chromium (Cr) Iron (Fe) Molybdenum (Mo) Cobalt (Co) Niobium (Nb) Other Elements
Inconel 600 N06600 ≥ 72 14 – 17 6 – 10 – – – Carbon ≤ 0.15, Mn ≤ 1
Inconel 625 N06625 ≥ 58 20 – 23 ≤ 5 8 – 10 ≤ 1 3.15 – 4.15 Titanium ≤ 0.4, Al ≤ 0.4
Inconel 718 N07718 50 – 55 17 – 21 Balance 2.8 – 3.3 ≤ 1 4.75 – 5.5 Ti 0.65 – 1.15, Al 0.2 – 0.8
Inconel 800 N08800 30 – 35 19 – 23 39.5 min – – – Ti 0.15 – 0.6, Al 0.15 – 0.6
Inconel 825 N08825 38 – 46 19.5 – 23.5 Balance 2.5 – 3.5 – – Cu 1.5 – 3, Ti 0.6 – 1.2

Mechanical Properties of Inconel Pipes and Inconel Tubes

This table outlines the mechanical properties of Inconel pipes and Inconel tubes, including tensile strength, yield strength, elongation, and hardness. It provides a clear comparison to help choose the appropriate grade based on strength, ductility, and service conditions.

Grade Tensile Strength (MPa) Yield Strength (MPa) Elongation (%) Hardness
Inconel 600 655 MPa 240 MPa 30% 85 HRB
Inconel 625 827 MPa 414 MPa 30% 92 HRB
Inconel 718 965 – 1200 MPa 550 – 1035 MPa 12 – 20% 36 – 40 HRC
Inconel 800 520 MPa 205 MPa 30% 85 HRB
Inconel 825 690 MPa 275 MPa 30% 80 HRB

Equivalent Grades for Inconel Pipes and Inconel Tubes

This equivalency table helps identify corresponding international standards for Inconel pipes and tubes. It supports accurate material selection by mapping Inconel grades to their UNS, Werkstoff, and BS/AFNOR equivalents used across global industries.

Inconel Grade UNS Number Werkstoff No BS / AFNOR Equivalent Common Industry Name
Inconel 600 N06600 2.4816 NA14 Alloy 600
Inconel 625 N06625 2.4856 NA21 Alloy 625
Inconel 718 N07718 2.4668 NA51 Alloy 718
Inconel 800 N08800 1.4876 – Alloy 800
Inconel 825 N08825 2.4858 – Alloy 825

Weight Chart of Inconel Cold Finished Pipes

This weight chart provides an approximate mass calculation for Inconel cold finished pipes based on nominal pipe size, outside diameter, and wall thickness. It is useful for estimating material weight during planning, fabrication, and transportation of piping systems.

NPS OD (mm) OD (in) WT (mm) WT (in) Weight (kg/mtr) Weight (lb/ft)
1/2″ 21 0.840 2.769 0.109 1.268 0.851
3/4″ 27 1.050 2.870 0.113 1.684 1.131
1″ 33 1.315 3.378 0.133 2.501 1.679
1 1/4″ 42 1.660 3.556 0.140 3.385 2.273
1 1/2″ 48 1.900 3.683 0.145 4.048 2.718
2″ 60 2.375 3.912 0.154 5.441 3.653
2 1/2″ 73 2.875 5.516 0.203 8.629 5.793
3″ 89 3.500 5.486 0.216 11.284 7.576
4″ 114 4.500 6.020 0.237 16.073 10.790
6″ 168 6.625 4.775 0.188 19.252 12.924
8″ 219 8.625 4.775 0.188 25.233 16.940
10″ 273 10.750 4.775 0.188 31.588 21.207
12″ 324 12.750 4.775 0.188 37.570 25.222
14″ 356 14 4.775 0.188 41.308 27.732
16″ 406 16 4.775 0.188 47.290 21.748
18″ 457 18 5.563 0.219 61.948 41.588
20″ 508 20 6.350 0.250 78.547 52.733
24″ 610 24 6.350 0.250 94.456 63.413
30″ 762 30 6.350 0.250 118.318 79.433
36″ 914 36 6.350 0.250 142.180 95.453
42″ 1067 42 7.925 0.312 206.914 138.911
48″ 1219 48 9.525 0.375 284.112 190.738

Key Benefits of Inconel Pipes and Tubes in High Temperature and Corrosive Environments

Inconel 600, Inconel 625, Inconel 718, Inconel 800 and Inconel 825 pipes and tubes have specifications that can be used in high-performing extreme operation conditions where stainless steel and traditional alloy lose strength or corrode. These nickel chromium alloys are characterized by outstanding levels of thermal stability, corrosion resistance and mechanical strength which makes them suitable in high service requirements in chemical processing, heat exchangers, marine systems and power generation.

Key benefits include

  • Large temperature strength and stability: Any grades maintain mechanical integrity under constant heat treatment and thermal cycling, are applicable to furnaces, heaters, reformers and high-temperature process equipment.
  • Outstanding corrosion and oxidation protection: The nickel chromium molybdenum alloy resists acids, chlorides, seawater, oxidizing substances and high temperature oxidation, making them reliable in severe industrial media.
  • Excellent performance under pressure.: Inconel pipes are high yield and tensile strength, high pressure system supporting and require fabrication work and heavy-duty engineering designs.
  • Long-lasting service life : These alloys resist pitting, crevice corrosion, carburization and chloride stress cracking, which lowers maintenance requirements and enhances operational efficiency.
  • Established performance in industries. : Inconel pipes and tubes are common in chemical and offshore engineering, marine parts, and thermal processing units and aerospace systems because of their constant reliability

These Inconel grades are a combination of the benefits, which have seen them being depended upon by industries that have needed durable, corrosive-free, and temperature-sensitive piping solutions.

Why Choose Stellar Alloys Steel Pipes and Tubes for Inconel Products

Stellar Alloys Steel Pipes and Tubes is a reliable supplier of Inconel pipes and tubes which provide certified material that is of the highest mechanical, chemical and dimensional quality demanded in the industrious and challenging applications. Having wide experience in the supply of Inconel 600, Inconel 625, Inconel 718, Inconel 800 and Inconel 825 pipes, we guarantee the consistent performance of high-temperature and high-pressure and corrosion-intensive facilities.

Our line of products is comprehensive with seamless Inconel pipes, butt-welded pipes, ERW pipes and drawn tubes, which are produced according to ASTM B167, B516, B517 and B444. Each batch is provided with a detailed documentation comprising of MTCs, heat numbers and traceability records. Products have been subject to extensive tests in tensile strength, hardness, hydrostatic performance, corroding resistance and dimensional accuracy, which makes them reliable in the fabrication and service in industries.

We support consumers with the selection of materials to be used in their applications, the selection of the size they need, and the assistance in selecting the appropriate grade that should be used to process chemicals, offshore systems, heat exchangers, marine engineering, aerospace parts and power generation devices. Both domestic and foreign projects will be delivered in time due to our robust stock-holdings, fast shipping capacity, and export-finished packaging.

Stellar Alloys Steel Pipes and Tubes is selected as one of the trusted suppliers willing to offer high-performance Inconel pipes and tubes with technical support, quality assurance and reliable customer service

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Applications of Inconel Pipes and Inconel Tubes

  • Aerospace Industry
  • Oil and Gas Processing
  • Chemical and Petrochemical Plants
  • Heat Exchangers and Condensers
  • Power Generation Systems
  • Marine and Offshore Engineering
  • Furnaces and High-Temperature Equipment

Frequently Asked Questions About Inconel Alloys

The Inconel is a family of nickel-chromium super alloy that is defined as having excellent strength, resistance against corrosion and at high temperatures. The use of such grades as Inconel 600, 625 and 718 is typically influenced by the failure of the conventional stainless steels to perform.

Inconel 600, Inconel 625, Inconel 718, Inconel 800 and Inconel 825 are widely used Inconel pipes. The grades possess different mechanical characteristics, degree of level of resistance to corrosion and temperatures to be applied in particular industries.

Inconel finds use in the high temperature and high pressure and corrosive systems such as the heat exchanger, chemical processing unit, during marine, power plants and oil and gas equipment. They are also strong and therefore can be applied in long-term services within industries.

The alloys of Inconel are superior to the stainless steel under severe conditions because they are tough enough to withstand the high temperatures, and it does not easily oxidize or dissolve in acids and corrosion attacks of chlorides and high temperatures. This makes them qualify to be the best in tough engineering applications.

Yes. The mechanical strength and oxidation resistance of the inconel alloys are at temperatures that cannot be achieved by most stainless steels. Inconel 600 and Inconel 718 are such grades that are widely used in furnace, turbine, thermal processing parts and aerospace parts.

Different designs of Inconel alloy include pipes, tubes, fittings, flanges, sheets, and plates, and forged components. Its products can be used in fabrication, maintenance and engineering with different industries.

Yes. The Inconel alloys are superb in resisting corrosive environment like acids, seawater and oxidizing chemicals and chloride stress corrosion cracking. The Inconel 625 is specially known to possess a high corrosion defense.

The reason why Inconel 625 would normally be chosen in the chemical processing is because it is considerably resistant to acids, pitting, crevice and corrosion as well as aggressive chemicals. Inconel 600 is also to be used in case there is a necessity of high level of resistance to oxidation.

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