Specialty Products / Superalloys & Metals / Superalloys & High-Performance Alloys / Hastelloy® C-4
Hastelloy® C-4
Hastelloy® C-4 is a corrosion-resistant nickel alloy developed for strong performance in welded service and thermally unstable process environments. It is selected when broad chemical resistance is needed without sacrificing post-weld integrity. EQI supplies HASTELLOY C-4 for corrosion-driven process equipment and precision parts.
HASTELLOY® is a registered trademark of Haynes International, Inc.
- UNS N06455
- Nickel-chromium-molybdenum corrosion alloy
- Also known as: Alloy C-4
Request a Quote for Hastelloy® C-4
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
- Excellent stability after welding
- Strong resistance to chloride-bearing media
- Good performance in wet chlorine and oxidizing systems
- Resists stress corrosion and localized attack
- Useful in pharmaceutical and high-purity processing
Composition
Applications
Common industries and end-use applications include Aerospace & Defense, Chemical Processing, Marine & Shipbuilding, Oil & Gas, Power Generation, and Thermal Processing & Heat Treating.
- Chemical reactor internals
- Process piping and bellows
- Pharmaceutical and high-purity vessels
- Scrubber and waste-treatment systems
- Nuclear and specialty chemical hardware
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