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Duplex stainless steel downloads


The Use of 2205 Duplex Stainless Steel for Pharmaceutical and Biotechnology Applications

Shop sheets

101: Hot forming and heat treatment of duplex stainless steels
102: Bending, cold forming, and springback of duplex stainless steels
103: Machining duplex stainless steels
104: Dissimilar metal welds and weld joint design for duplex stainless steels
105: Welding parameters for duplex stainless steels


Floating towards the future
Like a net frozen in mid-air, a striking footbridge in southern Germany is making a statement about minimalism. This gossamer structure is only possible thanks to the unique characteristics of 2205 duplex stainless steel.
Louvre Abu Dhabi: A rain of light
In the Louvre Abu Dhabi, stainless steel not only protects precious artwork, but becomes art itself. The museum's breathtaking roof contains molybdenum to withstand one of the world's most corrosive environments. Inside, rays of sunlight dance across surfaces, creating a spectacle unlike any other.
Stainless steel seals the deal
Beneath the surface, under streets and buildings, an 'invisible' infrastructure humbly helps to make modern life more efficient, convenient and safe; pipelines that transport drinking water, gas, oil and waste water to and from buildings and across cities, countries and continents. Burying these pipes underground protects them from most forms of damage, and saves space above ground. However, ageing, corrosion, wear and ground movement pose challenges to their integrity, and can lead to leaks which are difficult to locate, access and fix. A rubber pipe seal, secured in place from inside the pipe with molybdenum-containing stainless steel expansion rings, is a convenient and durable solution.
Duplex rigging for glass sails
Canadian-born California architect Frank Gehry’s project for Fondation Louis Vuitton exhibits unprecedented aesthetic innovation and technological sophistication. The spectacular glass sails of the roof appear so light and airy, in large part, thanks to the delicate high-strength molybdenum-containing duplex stainless steel support structure.
Wireline for downhole tools
Wireline is cable used to lower oil- and gas-well tools and measuring equipment downhole. Wireline must be strong, dependable and resistant to the increasingly corrosive conditions encountered in today’s deeper wells. Molybdenum imparts the required corrosion resistance to the stainless steel and nickel alloys used in this application.
Structural stainless steel
Decorative stainless steel panels are widely used in façades, roofs and elevators because they are attractive and long-lasting. Increasingly, engineers now use stainless steel for load-bearing structures in challenging environments. In many cases stainless steel is cost-effective if the whole life cycle of the installation is considered.
Molybdenum scrap saves resources
A recent study found that about one quarter of the molybdenum used each year is recycled material from scrap sources. The rest is newly mined, primary molybdenum. Scrap therefore plays an important role in meeting demand and contributing to sustainability.
Material longevity and its inherent impact on long-term project sustainability are changing the way buildings are designed. Memorials like the new Four Freedoms Park in New York have to last for hundreds of years. Corrosion resistant 2205 duplex stainless steel was necessary so that the sculptural handrails were as durable as the massive blocks of granite in this highly-acclaimed new monument.
Super duplex to keep the Vasa safe
A major historic ship preservation project is currently under way in Stockholm.  The galvanized and epoxy coated mild steel bolts used to hold the ship together after it was raised are failing due to corrosion. Molybdenum is a key alloying element in the high-strength, corrosion-resistant super duplex stainless steel Sandvik SAF 2507TM and Sandvik SAF 2707 HDTM bolts that will hold the great ship Vasa together to achieve a minimum design life of 100 years.