Super duplex stainless steel
2507 Super Duplex Stainless Steel
2507 is a highly alloyed super duplex stainless steel considered for severe chloride-bearing and high-strength applications. It requires careful specification, fabrication control and technical review; 2507 should not be chosen as a simple upgrade without evaluating the complete service conditions.
Final material selection remains the responsibility of the project design authority. Confirm product form, governing standard and current availability with sales.
Specification overview
| Material standard | Confirm with sales |
|---|---|
| Product form and dimensions | Confirm with sales |
| Heat treatment condition | Confirm with sales |
| Testing and documents | Confirm with sales |
Selection note
Provide full chloride, temperature, pressure, media, design-code and fabrication details for technical review.
Characteristics
- Higher alloy content than 2205
- High strength
- Designed for severe corrosion duties when correctly specified
- Welding and thermal exposure require strict process control
Available forms
Common finishes
Typical applications
- Severe chloride process environments
- Desalination and water-treatment components
- Chemical equipment
- Energy and heat exchanger components subject to design review