In the unforgiving realms of deep-sea oil extraction, aggressive chemical processing, and sour gas handling, where chlorides, acids, and extreme pressures threaten failure, conventional duplex like 2205 often reaches its limits. SS Duplex 2507 Welded Pipes rise to the occasion.

SS Duplex 2507 Welded Pipes are high-performance super duplex stainless steel pipes designed for applications that require exceptional corrosion resistance, high mechanical strength, and long-term durability. Duplex 2507 is known as a super duplex stainless steel grade that combines the advantages of both ferritic and austenitic stainless steels.

With a hyper-duplex microstructure, PREN >40, and strength exceeding 550 MPa yield, Stainless Steel Duplex 2507 Welded Pipes provide unmatched resistance to pitting, crevice corrosion, SCC, and H2S—enabling thinner walls, longer life, and dramatic cost reductions in the harshest conditions.

Chemical Properties of SS Duplex 2507 Welded Pipes:

Element Content (%)
Carbon (C) 0.030 max
Chromium (Cr) 24.0-26.0
Molybdenum (Mo) 3.0-5.0
Nickel (Ni) 6.0-8.0
Nitrogen (N) 0.24-0.32
Manganese (Mn) 1.20 max
Silicon (Si) 0.80 max
Phosphorus (P) 0.035 max
Sulfur (S) 0.020 max
Copper (Cu) 0.50 max
Iron (Fe) Balance

Mechanical Properties of Stainless Steel Duplex 2507 Welded Pipes:

Property Value
Tensile Strength (MPa) 800 min
Yield Strength 0.2% (MPa) 550 min
Elongation (% min) 25
Hardness (HRC max) 32
Impact Toughness (ft.lbf) ≥74

Physical Properties of Duplex 2507 SS Welded Pipes:

Property Value
Density 7.8 g/cm³
Elastic Modulus 190-200 GPa
Thermal Expansion (0-100°C) 13-15 μm/m/°C
Thermal Conductivity (20°C) 11.5-18 W/m·K
Specific Heat (0-100°C) 500 J/kg·K
Electrical Resistivity 0.8-1.0 μΩ·m
Poisson’s Ratio 0.3

Product Specifications:

Parameter Details
Steel Grade SS Duplex 2507
Unit Pipe Length 6 meter, 9 meter
Outer Diameter 6 mm to 2000 mm
Finish Mirror Polish, Matt Polish, without polish
Diameter 4 mm – 450 mm
Thickness 1 mm to 25 mm
Min. Order Quantity 200 Kilogram

Key Applications for Duplex 2507

  • Offshore/Subsea: Flowlines, manifolds, and risers.
  • Desalination: High-pressure RO (Reverse Osmosis) piping.
  • Petrochemical: Heat exchangers and pressure vessels handling corrosive acids.
  • Marine: Scrubbers and ballast water treatment systems.

Are you ready to fortify your infrastructure with the best in the business?

Our inventory covers a full range of sizes and finishes, ensuring your project meets the highest global standards for performance. Order your Duplex 2507 Welded Pipes now, get your quote.

Countries We Export

Macau, Philippines, Estonia, Slovakia, India, Switzerland, France, Gambia, United States, Nepal, Iran, Australia, Thailand, Gabon, Zimbabwe, Bangladesh, Angola, Lithuania, Kuwait, Kazakhstan, Trinidad & Tobago, Puerto Rico, Singapore, Mexico, Azerbaijan, Brazil, Bulgaria, United Arab Emirates, Tibet, Greece, South Africa, Afghanistan, Sri Lanka, Italy, China, Serbia, Turkey, Mexico, Bolivia, Peru, Chile, Belarus, Yemen, Namibia, Qatar, Algeria, Libya, Nigeria, Japan, Poland, Austria, Bhutan, Nigeria, Portugal, Czech Republic, Croatia, Jordan, Hungary, Finland, Pakistan, Spain, South Korea, Ecuador, Denmark, Canada, Kenya, Saudi Arabia, Vietnam, Sweden, Malaysia, Bahrain, Costa Rica, Venezuela, Israel, Netherlands, United Kingdom, New Zealand, Russia, Morocco, Poland, Indonesia, Hong Kong, Egypt, Oman, Norway, Chile, Iran, Lebanon, Taiwan, Ghana, Romania, Mongolia, Ukraine, Colombia, Tunisia, Ireland, Iraq, Belgium, Argentina, Germany.

Cities We Supply

Calgary, Al Jubail, Hong Kong, Bhopal, Jeddah, Toronto, Ulsan, Aberdeen, Thiruvananthapuram, Petaling Jaya, Nashik, Houston, Montreal, Cairo, Ernakulam, Atyrau, Karachi, Haryana, Istanbul, Jakarta, Sharjah, Nagpur, Dallas, Ranchi, Algiers, Doha, Santiago, Geoje-si, Singapore, Chennai, Jamshedpur, Perth, New Delhi, Tehran, Vadodara, New York, Caracas, Ahmedabad, Edmonton, Kanpur, Busan, Mumbai, Secunderabad, Bengaluru, Kolkata, Pimpri-Chinchwad, Manama, Vung Tau, Melbourne, Bangkok, Colombo, Ankara, Bogota, Sydney, Milan, Port-of-Spain, Abu Dhabi, Thane, Ahvaz, Visakhapatnam, Rajkot, Jaipur, Indore, Kuwait City, Gurgaon, Baroda, Navi Mumbai, La Victoria, Surat, Ludhiana, Lahore, Hanoi, Riyadh, Faridabad, Hyderabad, Coimbatore, Mexico City, Dubai, Al Khobar, Rio de Janeiro, Pune, Chiyoda, Moscow, Lagos, London, Madrid, Granada, Ho Chi Minh City, Brisbane, Chandigarh, Seoul, Courbevoie, Los Angeles, Gimhae-si, Dammam, Howrah, Muscat, Noida, Kuala Lumpur, Pondicherry, Tamil Nadu.