Product Overview – Super Duplex Steel S32750 Seamless Pipes
Super Duplex Steel S32750 seamless pipes are manufactured from super duplex stainless steel that contains a balanced microstructure of ferrite and austenite phases. This dual-phase structure provides significantly higher strength and corrosion resistance compared to standard stainless steels and even conventional duplex grades.
UNS S32750, commonly known as Super Duplex 2507,is specifically developed to perform in highly corrosive environments such as seawater exposure, chloride-rich solutions, and aggressive chemical processing conditions.
The seamless pipe manufacturing process ensures excellent dimensional accuracy and superior mechanical properties. Each pipe undergoes solution annealing, pickling, and rigorous testing procedures to maintain strict industrial quality standards.
Due to their exceptional durability and corrosion resistance, Super Duplex S32750 seamless pipes are widely used in offshore oil platforms, subsea pipelines, desalination plants, chemical processing equipment, and heat exchanger systems.
Standard & International Identification - Super Duplex Steel S32750 Seamless Pipes
Technical Specifications – Super Duplex S32750 Seamless Pipes
| Pipe Type: | Seamless Super Duplex Stainless Steel Pipes |
| Manufacturing Process: | Hot Piercing → Cold Drawing → Solution Annealing → Pickling & Passivation |
| Outer Diameter: | 6 mm to 610 mm |
| Wall Thickness: | 0.5 mm to 50 mm |
| Length Options: | Single Random Length/ Double Random Length/ Custom Cut Length |
| Surface Finish: | Bright Annealed / Pickled & Annealed / Polished Finish Available |
| Testing & Inspection: | Hydrostatic Test,Ultrasonic Testing, PMI,Dimensional Inspection |
| Certification : | EN 10204 3.1 / 3.2 MTC |
Third Party Inspection Available
All specifications are in accordance of ASTM A790 / ASTM A789 standards. Mechanical and chemical values are as per standard limits. Mill Test Certificates (MTC) available upon request.
Chemical Composition – Super Duplex Steel S32750
(As per ASTM specification)
| Element | Max (%) |
|---|---|
| Carbon (C): | 0.03% |
| Chromium (Cr): | 24 – 26% |
| Nickel (Ni): | 6 – 8% |
| Molybdenum (Mo): | 3 – 5% |
| Nitrogen (N): | 0.24 – 0.32% |
| Manganese (Mn): | Max 1.2% |
| Silicon (Si): | Max 0.8% |
| Iron : | Balance |
Note: This composition gives Super Duplex S32750 excellent corrosion resistance and very high mechanical strength.
Mechanical Properties – Super Duplex S32750 Pipes
| Property | Minimum Value |
|---|---|
| Tensile Strength | 800 MPa |
| Yield Strength | 550 MPa |
| Elongation | 15% |
These properties make Super Duplex pipes suitable for high pressure and heavy-duty industrial applications.
Corrosion Resistance of Super Duplex S32750 Pipes
Super Duplex S32750 seamless pipes provide exceptional resistance to corrosion in highly aggressive environments.
Key corrosion resistance advantages include:
Because of these characteristics, Super Duplex S32750 pipes are widely used in marine and subsea engineering systems.
Major Industrial Applications of Super Duplex Steel S32750 seamless pipes
- Super Duplex Steel S32750 seamless pipes are commonly used in:
- 🔸Oil and Gas Industry
- 🔸Offshore Platforms
- 🔸Chemical Processing Plants
- 🔸Subsea Pipelines
- 🔸Heat Exchanger Equipment
- 🔸Marine Engineering Systems
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