Inconel 718 Tubes Inconel 718 Tubes represent the highest standard of dependability and performance in demanding settings that call for outstanding strength and endurance. Crafted from a superalloy blend composed mainly of nickel, chromium, and molybdenum, these tubes demonstrate superb toughness and resistance to both elevated temperatures and corrosive substances. Their impressive qualities render them essential across vital industries like aerospace, where they perform exceptionally well under the extreme conditions faced during flight. Furthermore, they serve a vital function in rigorous applications throughout the oil and gas industry, delivering reliable performance in settings full of corrosive materials. Inconel 718 Tubes are proof of consistent quality and dependability, securing their status as the favored option for mission-critical engineering projects where performance must not be sacrificed.
Standards :ASTM B444, ASTM B751, ASTM B829, ASTM B775, ASTM B705, ASTM B704, UNS N07718 / Werkstoff Nr.2.4668
Size :15 NB to 150 NB IN
Type :Seamless / ERW / Welded / Fabricated / LSAW Pipes
Form :Round, Square, Rectangular, Hydraulic Etc.
Length :Single Random, Double Random & Cut Length.
End :Plain End, Beveled End, Treaded.
| Grade | C | Mn | Si | S | Cu | Fe | Ni | Cr | Al | Ti |
| Inconel 718 | 0.08 max | 0.35 max | 0.35 max | 0.015 max | 0.030 max | 0.015 max | 50-55 | 17-21 | 0.20 – 0.80 | 0.65-1.15 |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.2 g/cm3 | 1350 °C (2460 °F) | Psi – 1,35,000 , MPa – 930 | Psi – 75,000 , MPa – 482 | 45 % |
At Koasteel, we take pride in being the largest supplier and manufacturer in the New Zealand, delivering advanced solutions for every one of your piping requirements. With cutting-edge manufacturing facilities strategically positioned in the New Zealand, we maintain an extensive stock of more than 25,000 tons of top-quality materials on hand and ready for immediate supply.
Reach out to us for a fast quote on your needs.
We supply these Inconel 718 Tube conforming to DIN, ISO, JIS or ANSI Standard.
Inconel 718 Tube applications are as varied as the industries they cater to, driven mainly by the aerospace, railway, construction and automotive sectors along with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.
Aerospace Applications:A leading use of the Inconel 718 tube is within the aerospace sector. It serves in aircraft engines, gas turbines, rocket engines, and other vital applications that demand high power along with the ability to withstand extreme temperatures and hot weather conditions.
Oil and Gas Industry:In the oil and gas sector, Inconel 718 tubes serve as downhole tubing and casing where pressure and temperature run high. You will find them applied in valves, wellhead components and other gear subjected to corrosion and heat of a greater magnitude
Chemical processing:Within chemical processing plants, Inconel 718 vessels manage corrosive and acidic chemicals at raised temperatures. They likewise serve in heat exchangers, reactors, and piping systems that call for corrosion resistance and the ability to withstand temperature rise.
Power generation:In power plants like steam turbines, nuclear reactors, and boiler systems, Inconel 718 wires are employed. They additionally serve in applications involving high temperature, high pressure, and hot weather.
Automotive and Racing:Inconel 718 tubes find use in high-performance vehicles, particularly race cars and motorcycle exhausts. Because the alloy offers high-temperature strength and resistance to thermal fatigue, it fits these demanding applications well.
Medical Applications:Inconel 718 tubes are applied in medical devices and equipment that call for corrosion resistance, biocompatibility, and high strength. You will find them used in surgical instruments, implants and instrumentation within complex sterilization areas.
Aerospace Applications:A leading use case for the Inconel 718 tube is the aerospace sector. It finds application in aircraft engines, gas turbines, rocket engines, and other demanding roles that call for high power along with the ability to withstand extreme temperatures and hot weather conditions.
Oil and Gas Industries:In the oil and gas sector, Inconel 718 tubes serve as downhole tubing and casing subjected to high pressure and temperatures. Exposed to water corrosion and elevated heat, they are employed in valves, wellhead components, and other equipment.
Chemical processing:Within chemical processing plants, Inconel 718 vessels manage corrosive and acidic chemicals at high temperatures. They likewise feature in heat exchangers, reactors, and piping systems that demand corrosion resistance and resistance to temperature rise.
Power applications:In electrical equipment like steam boilers, nuclear reactors, and boilers, Inconel 718 reservoirs are put to use. They additionally serve in high-temperature, high-pressure, and hot-weather applications.
Automotive and Racing:For high-performance vehicles—particularly race cars and motorcycle exhausts—Inconel 718 tubes are applied. The alloy’s strength at high temperatures and its heater fatigue resistance make it well suited to these demanding applications.
Yes,Inconel 718 tubes are capable of being joined through several techniques, including gas tungsten arc welding (GTAW), electron beam welding (EBW), and resistance welding. That said, because of its elevated nickel content and alloying components, appropriate welding practices and post-weld heat treatment are essential to preserve its mechanical properties and resistance to corrosion.
Inconel 718 tubes are generally not advised for hygienic and sanitary uses because of their nickel content, which may leach into sensitive materials. Stainless steel, particularly grades such as 316L, is favored for its corrosion resistance and suitability with the demanding cleanliness standards required in these applications.
Inconel 718 tubes are suitable for underground applications thanks to their outstanding corrosion resistance, high strength, and thermal stability. That said, their elevated cost relative to other material options may affect choices, and correct installation methods along with corrosion protection steps are essential to guarantee dependable, long-lasting performance underground.
Inconel 718 tubes can experience galvanic corrosion when they contact dissimilar metals in particular environments. Choosing the right materials, applying insulation, or employing inhibitors can reduce this risk. Nevertheless, under harsh conditions, such as saltwater environments, measures should be adopted to guard against galvanic corrosion.
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