Specialty Products / Superalloys & Metals / Superalloys & High-Performance Alloys / Incoloy® 909
Incoloy® 909
Incoloy® 909 is a high-strength controlled-expansion alloy developed for precision turbomachinery and aerospace hardware. It delivers low thermal expansion, stable modulus, and precipitation-hardening strength for components that must hold tight clearances under load. EQI supplies Alloy 909 for critical low-expansion applications.
INCOLOY® is a registered trademark of Special Metals Corporation.
- UNS N19909
- Low-expansion high-strength iron-nickel-cobalt alloy
- Also known as: Alloy 909
Request a Quote for Incoloy® 909
To get started, request a quote using the form below and we will get back to you. Please note that the quantity needed to quote or supply a specific alloy grade is typically 500-1,000 lbs, depending on the material.
Key Properties
- Constant low coefficient of thermal expansion
- High strength after precipitation hardening
- Stable modulus and dimensional control
- Useful for gas turbine and rocket hardware
- Good fit for preload-critical precision components
Composition
Applications
Common industries and end-use applications include Aerospace & Defense, Power Generation, and Thermal Processing & Heat Treating.
- Gas turbine vanes and shrouds
- Casings, shafts, and bolting
- Rocket engine hardware
- Springs and gauge blocks
- Glass-sealing and instrumentation components
Request a Quote
Whether you're sourcing raw material or need a manufactured component produced from a specialty alloy, the EQI team can help.
Why Choose EQI
Your Single Source for Specialty Alloys and Precision Manufacturing
EQI combines specialty alloy sourcing with manufacturing expertise, allowing customers to move from raw material supply to finished components through a single partner.
Our team supports OEMs and manufacturers by sourcing difficult-to-procure alloys and producing components for demanding applications.
Key Advantages
- Global sourcing and foundry partnerships
- Expertise in high-temperature and high-performance alloys
- Precision machining and finished component manufacturing
- Reliable lead times and consistent quality
- Inventory management and just-in-time delivery programs
- Engineering support for complex alloy applications