Manufacturer & Exporter of Super Duplex UNS S32750 / S32760 seamless pipe, Super Duplex 2507 Seamless Pipes ASTM A790, Super Duplex Stainless Steel Seamless Pipe, Super Duplex seamless pipe hydro tested, Super Duplex seamless pipe NACE certified, Super Duplex seamless pipe schedule 40/80, High-strength Super Duplex seamless pipe, Super Duplex seamless pipe DIN 1.4410, Super Duplex ASME SA790, Super Duplex seamless pipe ISO standard, Super Duplex seamless pipe with MTC 3.1 certificate
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
Standard
Grade
UNS S32750 / S32760
Manufacturing Process
Outer Diameter Range (OD)
Wall Thickness
Common schedules: Sch 10, Sch 40, Sch 80
Length
Surface Finish
End Finish
Tolerances
Testing & Inspection
Heat Treatment
Surface Protection
Certifications
Equivalent Standards
Applications
Seamless Pipes
- Stainless Steel Seamless Pipes (ASTM A312)
- ASTM A312 TP316 Seamless Pipes
- ASTM A312 TP316L Seamless Pipes
- ASTM A312 TP317 / TP317L Seamless Pipes
- ASTM A312 TP904 / TP904L Seamless Pipes
- SMO 254 Seamless Pipes (ASTM A312)
- Monel 400 Seamless Pipes (ASTM B165)
- Hastelloy C276 Seamless Pipes (ASTM B622)
- Inconel 625 Seamless Pipes (ASTM B167 / B444)
- Incoloy 825 Seamless Pipes (ASTM B423)
- Duplex UNS S31803 / S32205 Seamless Pipes (ASTM A790)
- Super Duplex UNS S32750 / S32760 Seamless Pipes (ASTM A790)
- Copper Seamless Pipes (ASTM B68 / B75 / B251)
- Alloy Steel Seamless Pipes (ASTM A312)
Precision-Engineered Products
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

