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superduplex. In DICTIOUS you will not only get to know all the dictionary meanings for the word
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English
Etymology
From super- + duplex.
Adjective
superduplex (not comparable)
- (metallurgy) Of stainless steel: having a duplex structure (containing austenite and ferrite in roughly equal proportions) and also having unusually high hardness, strength or corrosion resistance.
2008, Hans Berns, Werner Theisen, translated by Gillian Scheibelein, Ferrous Materials: Steel and Cast Iron, Berlin, London: Springer, →ISBN, page 324:Tungsten reinforces the effect of Mo, so that superduplex steel X2CrNiMoCuWN25-7-4 with 0.25% N, 0.8% W and 0.8% Cu reaches PREN > 40.