Marsh Nickel Alloys is a manufacturer and supplier of Inconel tube fittings based in Canberra, Australia. Our Inconel tube fittings are engineered to deliver excellent strength, corrosion resistance and high-temperature performance, making them ideal for demanding industrial applications Designed for reliability in extreme environments these fittings are widely used in aerospace, chemical processing and oil and gas industries. We are dedicated to providing precision engineering solutions that meet the highest industry standards TrustMarsh Nickel Alloys for superior Inconel tube fittings ensuring durability, performance and long term efficiency in critical applications.
| Specification | ASTM B366, ASTM SB 366, ASTM B564, ASME SB564 |
| Grade | Inconel 600 (UNS N06600, Alloy 600, 2.4816), Inconel 601 (UNS N06601, Alloy 601, 2.4851), Inconel 625 (UNS N06625, Alloy 625, 2.4856), Inconel 800 (UNS N08800, Alloy 800) |
| Type | Seamless / Welded / Fabricated |
| Bending Radius | R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom |
| Range | 1/2”NB to 24″NB in Sch 10s, 40s, 80s, 160s, XXS. |
| Dimensions | ANSI/ASME B16.9, B16.28, MSS-SP-43. |
| Inconel Grade | C | Mg | S | P | Cr | Si | Mo | Ni | Co | Cu | Al | Ti | Ni | I | B |
| Inconel 600 | 0.15 | 1.00 | 0.015 | – | 14.0–17.0 | 0.50 | – | – | – | 0.50 | – | – | 72.0max | 6.0–10.0 | – |
| Inconel 617 | 0.15 | 0.50 | 0.015 | 0.015 | 20.0–24.0 | 0.50 | 8.0–10.0 | – | 10.0–15.0 | 0.50 | 0.8–1.50 | 0.60 | 44.2–56.0 | 3.00max | 0.006 |
| Inconel 625 | 0.10 | 0.50 | 0.015 | 0.015 | 20.0–23.0 | 0.50 | 8.0–10.0 | 3.15–4.15 | 1.00 | – | 0.40 | 0.40 | 58.0max | 5.00max | – |
| Inconel 690 | 0.019 | 0.35 | 0.003 | – | 30.0max | 0.35 | – | – | – | 0.01 | 0.02 | – | 59.5max | 9.20max | – |
| Inconel 718 | 0.08 | 0.35 | 0.015 | 0.015 | 17.0–21.0 | 0.35 | 2.8–3.3 | 4.75–5.5 | 1.00 | 0.2–0.8 | 0.65–1.15 | 0.30 | 50.0–55.0 | balance | 0.006 |
| Inconel X-750 | 0.08 | 1.00 | 0.01 | – | 14.0–17.0 | 0.50 | – | 0.7–1.2 | 1.00 | 0.50 | 0.4–1.0 | 2.25–2.75 | 70.0max | 5.0–9.0 | – |
| CONDITION | TENSILE STRENGTH | YEILD STRENGTH | ELOGNATION |
|---|---|---|---|
| ANNEALED, UPTO 4″ (102 MM) | 120 (827) | 60 (414) | 30 |
| ANNEALED, OVER 4″ (102 MM) – 10″(254 MM) | 110 (758) | 50 (345) | 25 |
These fittings are made from a nickel-chromium alloy, providing remarkable resistance to oxidation, pitting, and stress corrosion cracking in both acidic and alkaline conditions. They boast impressive mechanical properties, including high tensile and yield strength, toughness, and fatigue resistance, even when exposed to elevated temperatures. The alloy retains its structural integrity during thermal cycling and in the presence of aggressive chemicals. Each fitting undergoes precision forging, machining, and heat treatment, followed by thorough inspection and testing to guarantee dimensional accuracy, metallurgical consistency, and dependable sealing performance in critical piping systems.
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Inconel Tube Fittings are extensively utilized across various industries that demand high-performance, corrosion-resistant piping solutions. In the oil and gas sector, they are found in pipelines, valves, and chemical injection systems that come into contact with aggressive media. Marine and offshore applications use them in seawater systems, pumps, and shipbuilding components. Chemical and petrochemical facilities rely on them for reactors, process piping, and heat exchangers. With their blend of mechanical strength, corrosion resistance, and durability, Inconel Tube Fittings are the go-to choice for challenging and high-temperature industrial applications.
