Specialty Products / Superalloys & Metals / Superalloys & High-Performance Alloys / Incoloy® 903
Incoloy® 903
Incoloy® 903 is a controlled-expansion alloy that combines low thermal growth with precipitation-hardened strength. It is used in precision rotating and static hardware where clearances, stability, and strength all matter. EQI supplies Alloy 903 for aerospace and turbomachinery applications.
INCOLOY® is a registered trademark of Special Metals Corporation.
- UNS N19903
- Low-expansion age-hardenable iron-nickel-cobalt alloy
- Also known as: Alloy 903
Request a Quote for Incoloy® 903
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
- Low and controlled thermal expansion
- High strength after aging
- Good resistance to thermal fatigue and shock
- Useful for precision rings and casings
- Designed for dimensional control under heat
Composition
Applications
Common industries and end-use applications include Aerospace & Defense, Power Generation, and Thermal Processing & Heat Treating.
- Gas turbine rings and casings
- Precision aerospace hardware
- Rotors and structural supports
- Fasteners and specialty forgings
- Dimensional-control 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