The duplex steel UNS S31803 S31803 belongs to duplex steel. With medium strength to high strength and good resistance to common corrosion/stress, corrosion/cracking. Duplex Steel is about half of ferrite
TP304/304L stainless steel Regarding the TP304/304L stainless steel of this material, let’s first understand 304 or 304L stainless steel. The correct name for stainless steel is: standard + standard number
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