Duplex Stainless Steel - a Material for Both the Functional Footbridge and the Spectacular Landmark

Traditionally stainless steel has seen very limited use in structural engineering applications. In footbridges the standard materials have been carbon steel, concrete or wood but lately more modern materials such as stainless steels and GRP has come into use. Since the first all-stainless footbridge was built in Stockholm in 2002 a number of stainless footbridges has been built. This development has been made possible by the use of high strength duplex stainless steels for load-bearing parts of the bridges.

Although in many cases thought of as expansive high profile materials stainless steels, and especially the duplex stainless steels, are suitable for most types of footbridge when durability and low maintenance costs are important considerations. The use of high strength duplex stainless steels gives design engineers and architects the possibility to produce attractive footbridges in designs that range from the everyday functional to the spectacular landmark while still being durable and cost-effective parts of infrastructure.

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