Maintenance free, safer, greener...

Boats ready to make waves!


An extremely corrosion-resistant, lightweight stainless steel design makes waves in the boating industry.

On May 12, 2017, the P16 prototype, an offshore patrol vessel made entirely out of stainless steel, set sail out of Gävle, 200 km north of Stockholm. The goal was to construct a boat out of stainless steel that was light, more efficient, safer and greener.
By using an innovative design concept inspired by the features of a traditional Viking boat, together with the use of super duplex nickel-containing stainless steel, it was possible to build an extremely lightweight ship. The high strength of the duplex stainless steel allows a reduction of thickness in the material used resulting in a lighter boat.
“The lightness of the P16 clearly reduces fuel consumption. The ship is maintenance-free, which saves precious time and money. It is extremely resistant to salt water, and can even be used when the sea is partly frozen—a useful feature in the Scandinavian waters”, explained Petra Rosén, Head of Marketing at SSY Stainless Steel Yachts, one of the companies behind the development of the P16 prototype.
“We chose Outokumpu’s Forta SDX 2507 (UNS S32750) for the entire boat. It met all of the requirements. It’s high-strength, durable, 100% corrosion-resistant, and maintenance-free with very good tensile strength—all properties conducive to a marine environment.” says Rosén.
All metal under the waterline is mirror-polished which ensures that any marine organisms attached to the hull can be removed either with a low-pressure hose or even by travel at very low speeds. As a result, there is no need for environmentally hazardous and expensive anti-fouling paints. This project can potentially open a whole new market for high-performance and sustainable vessels of this type.

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