Product Introduction
2507 Stainless Steel Pipe is a super duplex stainless steel pipe manufactured from UNS S32750 (1.4410) and conforms to ASTM A789/A790, ASME SA789/SA790, and EN 10216-5 standards.
Key Specifications
| Standard | ASTM A789 / A790, ASME SA789 / SA790, EN 10216-5product-599-482 |
| Material | UNS S32750 (1.4410) |
| Size Range | |
| OD | 6mm – 630mm |
| WT | 1.0mm – 50mm |
| Length | 2m – 12m (customizable) |
| Surface | Annealed & Pickled (AP), Bright Annealed (BA) |
Product Features
Designed with high chromium, high molybdenum, and high nitrogen content, it resists seawater and chloride corrosion, extending equipment life.
The dual-phase microstructure effectively enhances resistance to stress corrosion, making it suitable for complex operating conditions.
Supports various sizes, lengths, and surface treatments to meet diverse project requirements.
Manufacturing Process
Raw Material Control
High-quality raw materials conforming to UNS S32750 standards are used to ensure stable chemical composition.
Pipe Manufacturing
Advanced forming and heat treatment processes are employed to guarantee the microstructure and mechanical properties.
Precision Machining
Strict control is maintained over outer diameter, wall thickness, and length tolerances to improve installation adaptability.
Full-Process Testing
Chemical composition, mechanical properties, dimensions, and non-destructive testing are conducted to ensure consistent product quality.
Application Areas
Marine Engineering
Seawater pipelines and offshore platform piping: enhancing resistance to seawater corrosion.
Oil & Gas
Oil and gas transmission pipelines and pressure systems: improving safety and service life.
Chemical Industry
Pipelines for transporting corrosive media: reducing equipment maintenance frequency.
Seawater Desalination
Seawater treatment and transportation systems: ensuring long-term stable operation.
Power Energy
Heat exchanger and cooling system piping: improving equipment reliability.
Environmental Engineering
Wastewater and corrosive fluid transportation systems: reducing operating costs.
Product
| Item | 316L (Austenitic) | 2205 (Duplex) | 2507 (Super Duplex) |
| Grade | UNS S31603 / 1.4404 | UNS S32205 / 1.4462 | UNS S32750 / 1.4410 |
| Type | Standard Austenitic | Standard Duplex | Super Duplex |
| Yield Strength | ~205 MPa | ~450 MPa | ~550 MPa |
| Tensile Strength | 515 MPa | 655 MPa | 800 MPa |
| PREN Value | ~24 | ~34–35 | >40 |
| Corrosion Resistance | Good for general marine & mild chemicals | Excellent against pitting & chloride SCC | Outstanding in extreme seawater & harsh acids |
| Heat Resistance | Good up to 870°C | Moderate | Moderate |
| Weldability | Excellent | Good | Good (needs proper process) |
| Cost | Lowest | Medium | Highest |
| Typical Applications | General industry, food, architecture | Oil & gas, desalination, chemical | Offshore, deep-sea, high-pressure sour gas |
FAQ
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