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Inconel is a family of high-performance nickel-chromium-based superalloys known for their exceptional resistance to oxidation, corrosion, and high-temperature strength. These alloys maintain their mechanical integrity even in extreme environments such as aerospace, marine, and chemical processing industries. Inconel 600 offers excellent resistance to chloride-ion stress corrosion cracking, Inconel 601 is ideal for high-temperature oxidation resistance, Inconel 625 is renowned for its outstanding fatigue and creep-rupture strength, and Inconel 718 provides superior tensile and yield strength with remarkable weldability. With their ability to withstand both acidic and alkaline conditions, Inconel alloys are a preferred choice for demanding industrial applications.
| Product | Grades |
|---|---|
| Refractory Anchors | ASTM B166 UNS N06600, ASTM B167 UNS N06601, ASTM B443 UNS N06625, ASTM B670 UNS N07718 |
| Pipes | B167, B517, B444, B704 |
| Tubes | B167, B775, B516, B861, B444, B704 |
| Pipe Fitting | B366 |
| Forged Fitting | B564 |
| Flanges | B564 |
| Grade | Ni (%) | Cr (%) | Fe (%) | Mo (%) | Nb + Ta (%) | Co (%) | Al (%) | Ti (%) | C (%) | Si (%) | Mn (%) | S (%) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inconel 600 | 72.0 min | 14.0 – 17.0 | 6.0 – 10.0 | - | - | 1.0 max | 0.35 max | 0.35 max | 0.15 max | 0.50 max | 1.0 max | 0.015 max |
| Inconel 601 | 58.0 – 63.0 | 21.0 – 25.0 | Balance | - | - | 1.0 max | 1.0 – 1.7 | 0.3 – 0.6 | 0.10 max | 0.50 max | 1.5 max | 0.015 max |
| Inconel 625 | 58.0 min | 20.0 – 23.0 | 5.0 max | 8.0 – 10.0 | 3.15 – 4.15 | 1.0 max | 0.40 max | 0.40 max | 0.10 max | 0.50 max | 0.50 max | 0.015 max |
| Inconel 718 | 50.0 – 55.0 | 17.0 – 21.0 | Balance | 2.8 – 3.3 | 4.75 – 5.50 | 1.0 max | 0.20 – 0.80 | 0.65 – 1.15 | 0.08 max | 0.35 max | 0.35 max | 0.015 max |
| Grade | Tensile Strength (MPa) | Yield Strength 0.2% Proof (MPa) | Elongation (%) | Hardness (HB) |
|---|---|---|---|---|
| Inconel 600 | 655 | 240 | 40 | ~150 |
| Inconel 601 | 620 | 205 | 30 | ~160 |
| Inconel 625 | 827 | 414 | 30 | ~220 |
| Inconel 718 | 1375 | 1100 | 12 | ~330 |
Inconel alloys, including Inconel 600, 601, 625, and 718, are renowned for their exceptional resistance to oxidation, corrosion, and extreme temperatures. They maintain high strength and stability even under the most demanding environments, making them ideal for aerospace, marine, power generation, and chemical processing industries.
Used in jet engines, turbine blades, and exhaust systems due to outstanding heat and oxidation resistance.
Ideal for reactors, heat exchangers, and piping systems handling corrosive chemicals at high temperatures.
Used in steam generators, gas turbines, and nuclear reactors for their high creep and fatigue strength.
Applied in marine exhaust systems, seawater-cooled heat exchangers, and offshore platforms.
Used for furnace hardware, retorts, and fixtures due to excellent resistance to high-temperature scaling.
Used in downhole and subsea equipment exposed to sour gas and high-pressure, high-temperature environments.