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UNS S32550 Super Duplex
S32550 Super Duplex: Ferralium 255 Technology. High-copper Super Duplex for aggressive acidic and marine environments.
UNS S32550 Super Duplex
UNS S32550 is a high-performance Super Duplex stainless steel. The addition of Copper provides enhanced resistance to sulfuric acid and exceptional wear resistance in abrasive slurries.
Chemical Composition | Percentage % |
|---|---|
Carbon | 0.04% |
Manganese | 1.50% |
Silicon | 1.00% |
Nickel | 6.50% |
Copper | 2.50% |
Sulphur | 0.03% |
Molybdenum | 3.90% |
Phosphorous | 0.04% |
Certified Quality Assurance
At Progressive Metal Manufacturing, we provide high-integrity UNS S32550 Super Duplex that meets the most rigorous industrial standards. To ensure total transparency and material performance, our stock is available with a full BS EN 10204 3.1 mill certificate or cast and analysis documentation upon request. This commitment to documented quality ensures that every batch we supply offers the exact chemical and mechanical properties required for your critical engineering projects, providing you with audit-ready peace of mind.
Industrial Applications & Versatility
UNS S32550 (Alloy 255) serves as a superior, cost-effective alternative to traditional nickel alloys,
brass, and bronze. While marine environments were historically dominated by admiralty bronze,
our Super Duplex provides significantly enhanced strength and corrosion resistance,
making it the modern standard for offshore platforms and subsea infrastructure.
Typical applications for our S32550 stock include the manufacturing of rudders, shafting, and
heavy-duty deck hardware. By replacing "20 type" alloys and bronzes with this high-performance material,
engineers can achieve greater longevity and structural reliability in the most punishing salt-water and industrial environments.
Precision Supply & Custom Specifications
We offer a flexible procurement model designed to meet the exact tolerances of your production line.
Our facility provides precision sawing and profiling services,
delivering everything from singular custom-cut pieces to high-volume material runs tailored to your blueprints.
Our current UNS S32550 inventory includes:
Round Bar (Diameters): Precision-stocked from 88.90mm to 380mm.
Plate & Sheet: Available to European steel grades, supplied as full-sized stock or bespoke sections cut to your required lengths.
Our veteran technical sales team is standing by to provide expert guidance and streamlined quotes,
ensuring your material arrives exactly as needed to keep your workflow moving.
UNS S32750 Super Duplex
1.4462 / S32205 Duplex Stainless Steel
UNS S32760 Super Duplex
