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Home > Industrial Metal Pipe > Application of Pipe > Super Duplex Pipes for Marine Applications
Kwality Steelage Pvt. Ltd., based in Mumbai, India, is a leading manufacturer, supplier, and exporter of Super Duplex stainless steel pipes designed for marine applications. Known for their exceptional corrosion resistance, high mechanical strength, and durability, Super Duplex pipes are the perfect solution for harsh marine environments where exposure to seawater, salt spray, and high mechanical loads is common. These pipes comply with stringent international standards such as ASTM, ASME, and ISO, ensuring reliability and long service life.
With decades of expertise, Kwality Steelage Pvt. Ltd. delivers customized piping solutions for marine engineering, offshore platforms, and shipbuilding, ensuring safety, efficiency, and long-term performance.
Marine environments demand materials that can withstand extreme conditions, including saltwater corrosion, biofouling, and high stresses. Kwality Steelage’s Super Duplex pipes are engineered to excel in these environments. Our product range includes:
Our pipes comply with ASTM A790, ASME SA790, and ISO 9001, guaranteeing superior performance and reliability in marine applications.
To maximize durability and ensure long-term performance in marine environments, Kwality Steelage Pvt. Ltd. offers Super Duplex pipes with advanced coatings and finishes, such as:
These coatings and finishes help extend service life, reduce maintenance requirements, and ensure operational reliability.
| Category | Details |
| Grades | Super Duplex 2507 |
| Standards | ASTM A790, ASME SA790, ISO 9001 |
| Sizes | Diameters: 1/8″ to 24″; Wall Thickness: SCH 10, SCH 40, SCH 80 |
| Types | Seamless, Welded, Corrosion-Resistant |
| Surface Finishes | Anti-Corrosion Coatings, Passivated, Custom Polished |
| Weight Chart | Based on diameter and wall thickness, per ANSI/ASME standards |
| Chemical Composition | Cr: 24–26%, Ni: 6–8%, Mo: 3–5%, N: 0.24–0.32%, Fe: Balance |
| Mechanical Properties | Yield Strength: ≥550 MPa, Tensile Strength: ≥800 MPa |
| Price Range | $700 to $3,500 per meter, depending on grade, size, and coating. |
| Applications | Seawater cooling, marine pipelines, offshore platforms, and shipbuilding. |
| Coatings | Anti-corrosion, passivated, custom polished |
| Additional Features | Corrosion-resistant, high-strength, and leak-proof for critical systems. |
For reliable and high-performance Super Duplex pipes tailored to marine applications, contact Kwality Steelage Pvt. Ltd. today. Let our experts assist you in selecting the perfect solution for your offshore, subsea, and shipbuilding projects. Request your custom quote now!
05, 1st Floor, Ratan Sadan Building, Room No. 8, 5th Kumbharwada Ln, Mumbai, Maharashtra 400004
VIKAS JAIN: +91-88792 51118
RAMESH JAIN: +91-99302 75544
We Kwality Steelage Pvt. Ltd. are professionally organized firm engaged in exporting and supplying Stainless Steel, Carbon Steel, Alloy Steel, Nickel Alloys, Duplex, Super duplex and other Ferrous & Non-Ferrous Metal products such as Pipes, tubes, Pipe, Tubes, Pipe Fittings, Piping Spools, LR Bends, Sheets, Plates, Rods, Flanges, Fasteners, Gaskets.
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