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Stainless steels
Nickel base alloys have nickel as the balancing metal. They can be alloyed with iron, chromium and molybdenum and are used in the high end of the corrosion scale, e.g. in the most aggressive parts in flue gas desulfurization units and other demanding applications.
Highly alloyed iron-nickel-chromium stainless steels containing molybdenum have been developped to respond to severe corrosion specifications.
Duplex stainless steels were born and have been actively developed by European companies since 1935. In view of the continuous improvement of their properties and their growing availability, Duplex stainless steels will remain an attractive solution to the future needs of designers and users in mechanical engineering.
These grades have been developped by our researchers in close collaboration with our customers to meet their stringent and specific requirements.
These are the most popular of the stainless steels because of their ductility, ease of working and good corrosion resistance; they are derived from the 18Cr-8Ni stainless steel Type 304. The other grades are developed to provide special corrosion resistance properties by adding Molybdenum, Chromium and/or decreasing Carbon content (L grades).
Heat resistant alloys have to be strong and resistant to oxidation or other corrosion processes.
These grades are characterized by a very low content of nickel (less than 1%) .
