NIMONIC 901/N09901/2.4662/GH2901 Bar/Rod/Wire/Forging/Plate/Strip With Good Workability And Weldability For Precision Manufacturing

NIMONIC 901 (UNS N09901 / W.Nr. 2.4662 / GH2901) is a nickel-based superalloy designed for high-temperature strength and oxidation resistance. It contains chromium, cobalt, and titanium, offering exceptional creep resistance and thermal stability at temperatures up to 980°C (1800°F). The alloy is precipitation-hardenable, providing high strength while maintaining good weldability and formability.

It is widely used in aerospace, gas turbines, and power generation for components such as turbine blades, discs, seals, and high-temperature fasteners. NIMONIC 901 excels in resisting thermal fatigue, stress corrosion cracking, and oxidation in harsh environments. It is suitable for critical applications where reliability and long-term performance under high stress are paramount.

Overview of NIMONIC 901

NIMONIC 901 is a nickel-based superalloy that is designed for high-temperature strength, creep resistance, and oxidation resistance. It is specifically formulated for use in gas turbines and aerospace engines, particularly in components subjected to extreme temperatures and high stresses. The alloy’s precipitation-hardening system provides exceptional mechanical properties at elevated temperatures, making it ideal for demanding applications.

Key Features (All Forms)

Superior High-Temperature Strength

• Maintains outstanding strength and creep resistance at temperatures up to 900°C (1650°F).
• Retains its mechanical properties and fatigue resistance even under long-term exposure to elevated temperatures.
• Excellent thermal stability for critical aerospace and power generation components.

Outstanding Oxidation and Corrosion Resistance

• Excellent resistance to oxidation and corrosion at high temperatures, particularly in gas turbine engines, combustion chambers, and exhaust systems.
• Superior resistance to hot gas corrosion, sulfur, and chlorides, making it ideal for both aerospace and industrial turbine environments.

Precipitation Hardening

• Strengthened by precipitation hardening, providing excellent mechanical strength, fatigue resistance, and creep resistance.
• The aging process enhances its durability at high temperatures, making it ideal for aerospace engine parts such as blades and discs.

Excellent Fabricability and Weldability

• Can be fabricated, welded, and machined with relative ease compared to other high-temperature alloys.
• The alloy is often used in welded constructions, and post-weld heat treatment helps maintain its strength and integrity.

Resistant to Thermal Fatigue and Stress

• Withstands thermal cycling and thermal shock, making it suitable for components that experience high-stress fluctuations in temperature.

Form-Specific Applications

Bar / Rod

• Used in high-temperature aerospace engine parts, including turbine blades, discs, and shafts.
• Ideal for critical rotating parts in turbine engines that must withstand high centrifugal and thermal loads.

Wire

• Often used for spring wire, welding filler wire, and high-temperature fasteners.
• Provides excellent creep resistance and fatigue resistance in hot environments.

Forging

• Forged into turbine blades, discs, nozzles, and combustion components.
• Excellent for components that operate in gas turbines and aerospace engines due to its combination of strength and high-temperature resistance.

Plate / Strip

• Commonly used in gas turbine engine parts, heat exchangers, reactor vessels, and nuclear power plant components.
• Used in high-temperature structural applications, such as hot sections in combustion turbines.