This article explains the advantages of Ultra 654 SMO - regarded as the world’s most corrosion resistant stainless steel, and why designers are now recognizing it as an important alternative to Alloy 625. A key advantage is the potential economic savings, with typical cost reductions of 30 to 40%, as well as stable pricing thanks to its low nickel and molybdenum content. An important spin-off benefit is lower density, with a typical reduction of 6% in tonnage when buying large amounts of material.
In addition, switching to Ultra 654 SMO does not mean any loss in performance. In fact, it has a higher resistance to pitting and crevice corrosion than Alloy 625. That is not all, it is stronger than standard austenitic stainless steels and nickel alloys, while having the formability of a conventional austenitic grade.