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New Eagle Industrial Corporation is a leading manufacturer and supplier of premium Duplex Steel 2507 Seamless Pipes. With a strong focus on quality, precision, and compliance with international standards such as ASTM, ASME, NACE, and ISO. Our commitment to advanced manufacturing processes, rigorous testing, and timely delivery ensures that clients receive high-performance, corrosion-resistant products tailored to meet the most demanding industrial requirements.
Super Duplex UNS S32750 / S32760 Seamless Pipes are engineered to deliver exceptional strength and durability in the most demanding industrial environments. Combining a unique dual-phase microstructure of austenite and ferrite, these super duplex seamless pipes offer superior resistance to stress corrosion cracking, pitting, and crevice corrosion.
Manufactured as per ASTM A790 standards, Super Duplex seamless pipes are ideal for applications in chemical processing, offshore platforms, and marine environments, where both mechanical robustness and corrosion resistance are critical.
Super Duplex Stainless Steel Seamless Pipes – Technical Specifications
2507 Super Duplex Seamless Pipe – Chemical Composition
The higher chromium, molybdenum, and nitrogen contents provide superior resistance to pitting and crevice corrosion in chloride-rich and aggressive chemical environments.
| Element | UNS S32750 (%) | UNS S32760 (%) |
|---|---|---|
| Chromium (Cr) | 24–26 | 24–26 |
| Nickel (Ni) | 6–8 | 6.5–8 |
| Molybdenum (Mo) | 3–5 | 3–5 |
| Nitrogen (N) | 0.24–0.32 | 0.24–0.32 |
| Iron (Fe) | Balance | Balance |
| Copper (Cu) | 0.5 max | 0.5 max |
| Manganese (Mn) | 1 max | 1 max |
| Carbon (C) | 0.03 max | 0.03 max |
| Silicon (Si) | 0.8 max | 0.8 max |
UNS S32750 / S32760 Seamless Pipes – Mechanical Properties
Super Duplex pipes offer high strength and toughness, ensuring reliable performance in high-pressure, chemical, marine, and offshore environments.
| Property | UNS S32750 | UNS S32760 |
|---|---|---|
| Yield Strength (MPa) | 520–680 | 520–700 |
| Tensile Strength (MPa) | 780–950 | 780–960 |
| Elongation (%) | 25–30 | 25–30 |
| Hardness (HB) | 280 max | 280 max |
| Impact Toughness (J at 0°C) | ≥ 100 | ≥ 100 |
ASME SA790 Super Duplex Seamless Pipe – Equivalent Grades
This table shows the international equivalent grades for Super Duplex UNS S32750 and S32760 seamless pipes, including ASTM, ASME, EN/DIN, JIS, BS, and ISO standards. S32760 provides enhanced corrosion resistance, making it suitable for aggressive chemical, marine, and offshore environments.
| Standard / Material Type | Equivalent Grade / Value |
|---|---|
| UNS | S32750 / S32760 |
| EN / DIN | 1.4410 / 1.4501 |
| EN Name / DIN Name | X2CrNiMoCuN25-6-3 |
| JIS | SUS329J4L / SUS329J4LM |
| BS / UK | 32750 / 32760 |
| ASTM / ASME | A790 / SA790 |
| ISO | ISO 17781 |
| Notes | S32760 offers higher corrosion resistance for aggressive environments |
What makes Super Duplex seamless pipes different from standard duplex pipes?
- Super Duplex pipes have higher chromium, molybdenum, and nitrogen content.
- Provides superior resistance to chloride stress corrosion cracking, pitting, and crevice corrosion.
- Ideal for extreme chemical, offshore, and marine applications.
How are Super Duplex Seamless Pipes inspected during production?
- Pipes undergo dimensional checks, surface inspections, hydrostatic testing, and non-destructive tests like UT and PMI.
- Ensures defect-free, high-quality pipes for industrial applications.
What is the difference between UNS S32750 and S32760 Seamless Pipes?
- S32750: Standard Super Duplex for high-strength applications.
- S32760: Higher molybdenum and nickel content for extreme corrosion resistance in aggressive chemical and chloride environments.
Global Export Network for Super Duplex Seamless Pipes
As a trusted manufacturer and exporter, New Eagle Industrial Corporation supplies ASTM A790 Super Duplex 2507 Seamless Pipes globally. Our high-performance products are widely used in chemical processing, pollution control, marine, and pharmaceutical industries across Europe, the Middle East, Asia, and the Americas, ensuring exceptional corrosion resistance, reliability, and precision engineering.
- Middle East: United Arab Emirates (UAE), Saudi Arabia, Qatar, Kuwait, Oman, Bahrain, Yemen, Iran, Iraq, Israel, Jordan, Lebanon, Syria, Turkey
- North Africa: Egypt, Algeria, Morocco, Tunisia, Libya
- Asia Pacific: Singapore, Malaysia, Vietnam, Indonesia, Thailand, Philippines, Cambodia, Laos, Myanmar, Brunei, Timor-Leste, Taiwan, Japan, South Korea
- Europe: Spain, Belgium, Netherlands, France, Germany, Italy, United Kingdom (England), Poland, Cyprus, Malta, Russia
- Americas: Brazil, Mexico, Chile, Peru, Colombia, Argentina, United States (USA), Canada
- India: Chennai, Coimbatore, Bangalore, Thiruvananthapuram, Pune, Kolkata, Kerala, Karnataka, Gujarat, Mumbai, Delhi
Applications of ASTM A790 Super Duplex UNS S32750 / S32760 Seamless Pipes Across Industries
Oil & Gas Industry
Petrochemical & Chemical Processing
Power Generation (Thermal, Nuclear & Renewable)
Marine & Offshore Engineering
Pharmaceuticals & Biotechnology
Food, Beverage & Dairy Processing
Pulp & Paper Industry
Aerospace & Defense
Automotive & Transportation
Instrumentation & Control Systems
Water Treatment & Desalination
HVAC & Heat Exchanger Systems
Construction & Infrastructure Projects
Mining & Metallurgy
