Nimonic 90 Bars and Rods are top-notch products made from a nickel-chromium-cobalt alloy, crafted for outstanding strength and durability even in high temperatures. They’re well-known for their impressive resistance to creep, oxidation, and thermal fatigue, ensuring they perform reliably under extreme conditions. Built with precision and stability in mind, these bars and rods find their place in aerospace, power generation, and high-temperature industrial applications. Their strong mechanical performance, paired with excellent corrosion resistance and structural integrity, makes Nimonic 90 Bars and Rods the go-to choice for components that face continuous heat, stress, and harsh environments.
The composition of Nimonic 90 mainly includes nickel, chromium, and cobalt, with a touch of titanium and aluminum to enhance its strength through precipitation. This alloy boasts remarkable tensile and creep strength, maintaining its stability even at temperatures soaring above 900°C. It excels in resisting oxidation and corrosion while also performing well under cyclic heating. With its well-balanced mechanical properties, including high yield strength and structural stability, it’s perfect for tough environments where long-lasting performance is essential.
Dimension : EN, DIN, JIS, ASTM, BS, ASME, AISI
Grade : Nimonic 90 (UNS No. N07090) Round Bars
Finish : Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish
Form : Round, Square, Hex (A/F), Rectangle, Billet, Ingot, Forging Etc.
Surface : Hot Rolled Pickled or Sand Blasting Finished, Cold Drawn, Bright, Polished, Hairline
Application : Chemical process, Food processing, Petrochemical, Pollution control, Pulp and Paper, Refining
Condition : Cold Drawnd Pulished Cold Drawn Centreless Ground & Polished.
Our Nimonic Alloy 90 Round Bars conforms to NACE MR0175/ISO 15156
| Grade | C | Cr | Co | Ti | Al | Si | Cu | Mn |
| Nimonic Alloy 90 | 0.2 max | 18 – 21 | 15 – 21 | 2 – 3 | 1 – 2 | 1.0 max | 0.2 max | 1.0 max |
| Density | Melting Point | Coefficient of Expansion | Modulus of Rigidity | Modulus of Elasticity (Annealed + Aged) (Spring Temper + Aged) |
|---|---|---|---|---|
| 8.18g/cm³ | 1370°C | 12.7 μm/m °C (20 – 100°C) | 82.5 kN/mm² | 213 kN/mm² 227 / 240 kN/mm² |
| STANDARD | WERKSTOFF NR. | UNS |
| Nimonic Alloy 90 | – | N07090 |
Yes, Nimonic 90 bars are highly suitable for high-temperature applications. They are known for excellent strength, oxidation resistance, and stability at elevated temperatures, making them ideal for aerospace and turbine components.
Yes, Nimonic 90 bar can be welded, but it requires careful control of heat and welding parameters. Typically, TIG (Tungsten Inert Gas) welding is recommended for best results.
Nimonic 90 rod is available in various sizes, typically from 1/8" to 12" in diameter. Common finishes include cold drawn, hot rolled, or bright polished, depending on the supplier.
You’ll find Nimonic 90 Bars and Rods widely used in turbine blades, fasteners, engine valves, combustion chamber parts, and gas turbine components that demand exceptional heat resistance. They’re also utilized in nuclear power systems, heat-treatment equipment, furnace fixtures, and high-performance automotive parts. In industrial applications, Nimonic 90 is the preferred choice for components that endure sustained stress, extreme temperatures, and corrosive conditions. Its ability to retain strength and reliability makes it an ideal fit for critical applications in the aerospace and energy sectors.






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