Duplex stainless steels are characterized by their unique austenitic-ferritic microstructure,
offering enhanced corrosion resistance and higher strength compared to conventional austenitic
grades like A2/304 or A4/316. Their composition typically includes 20-28% chromium, up to 5%
molybdenum, lower nickel content, and nitrogen, promoting cost efficiency through reduced nickel and
the ability to use thinner sections.
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