Product Description

UNS N09901/Incoloy 901/2.4462/2.4975/Nimonic901‌/1.4898 Bar Ideal For High-Stress Applications In Sulphide Environments With Longevity And Durability

UNS N09901 (Incoloy 901) is a nickel-iron-chromium alloy known for its high strength, excellent corrosion resistance, and outstanding performance at elevated temperatures. Enhanced with titanium and aluminum, it provides superior creep and oxidation resistance, making it ideal for aerospace, gas turbines, and power generation applications. It maintains high tensile strength and fatigue resistance under extreme thermal conditions. Equivalent grades include 2.4462, 2.4975, Nimonic 901, and 1.4898. Typically supplied as bars, rods, and forgings, it is used in jet engine components, turbine discs, and structural applications. This alloy is also recognized for its good machinability and weldability, ensuring ease of fabrication in demanding environments.

UNS N09901 (Incoloy 901) / 2.4462 / 2.4975 / Nimonic 901 / 1.4898 Bar – Key Features

High Strength & Heat Resistance

Precipitation-hardened nickel-iron-chromium alloy with titanium and aluminum additions.

Excellent mechanical properties at elevated temperatures (up to ~650°C / 1200°F).

Superior Creep & Fatigue Resistance

Outstanding creep strength under long-term stress conditions.

High resistance to thermal fatigue and stress rupture.

Corrosion & Oxidation Resistance

Excellent oxidation resistance at high temperatures.

Good corrosion resistance in harsh environments, including oxidation and sulfidation.

Good Fabricability & Weldability

Can be formed, machined, and welded using conventional methods.

Requires appropriate heat treatment for optimal performance.

UNS N09901 (Incoloy 901) is a nickel-iron-chromium-based superalloy known for its high strength, corrosion resistance, and excellent oxidation resistance at elevated temperatures. It is commonly used in high-performance applications that require both strength and resistance to extreme conditions.

Applications of UNS N09901 (Incoloy 901) Bar:

1. Aerospace Industry

Gas turbine engine components (discs, shafts, and spacers)

Jet engine parts that require high-temperature strength and oxidation resistance

Aerospace structural components exposed to extreme heat and stress

2. Power Generation

Steam and gas turbine rotors

High-temperature fasteners in power plants

Components in nuclear reactors requiring excellent thermal stability

3. Automotive and Motorsport Industry

Turbocharger components

High-performance engine parts exposed to extreme temperatures

Exhaust valves and manifolds

4. Oil & Gas Industry

Components for high-pressure and high-temperature applications

Fasteners and structural parts for offshore drilling rigs

Heat exchangers and refinery equipment

5. Chemical and Petrochemical Industry

Heat-resistant fittings and pressure vessels

Reactor components exposed to aggressive chemicals and high temperatures

High-stress piping and valves

6. Industrial Applications

High-strength tooling for hot forming applications

Heat treatment furnace fixtures and supports

Springs, fasteners, and other structural components for harsh environments

This alloy’s combination of strength, corrosion resistance, and high-temperature stability makes it ideal for demanding engineering applications, especially in aerospace and power generation. Let me know if you need specific details on mechanical properties or heat treatment processes!