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With 90 years having passed since duplex stainless steel was developed at Avesta in Sweden, Marie-Louise Falkland, Outokumpu’s Senior Technical Manager, answers a few questions about her role in developing duplex grades and educating the market.

As we celebrate 90 years since duplex stainless steel was developed, we caught up with Erik Schedin. He recently retired as design and fabrication manager at our Avesta Research Center in Sweden and he shares his insight into construction and fabrication of duplex grades as well as developing formable duplex grades.