Photo © Alleima
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By Joanne McIntyre, Stainless Steel World
Stainless Steel World first featured the intriguing Vasa preservation project back in February 2010, when Alleima( then Sandvik Materials Technology) provided hyper duplex bolts to replace the ships original 5,500 iron bolts that had rusted away, endangering the structural integrity of the ship. Considered one of the most famous old ships in the world, the Vasa was built as a warship for Sweden on the order of King Gustav
�����Stainless Steel World April 2025
Adolphus, and completed in 1628. However, the ship sank after sailing then than one nautical mile on her maiden voyage.
����������������� Today Alleima continues to play a key role as the Vasa Museum faces its biggest challenge since the salvage. With the wood weakened, the ship needs new support as it is very slowly collapsing under its own weight at the rate of 1mm per year. Several years of research and advanced testing at the museum have led to a unique collaboration to develop an internal, custom-made steel skeleton to support and stabilize the ship. The collaboration entails that Alleima becomes the main partner of the Vasa Museum and the“ Support Vasa” project. The Vasa ship is a unique piece of cultural heritage in the world. But
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