Research and development of two-phase Cr-Ni-Mo high alloyed stainless steel.

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989100%3A27360%2F10%3A86075342" target="_blank" >RIV/61989100:27360/10:86075342 - isvavai.cz</a>
Alternative codes found
RIV/25877950:_____/10:#0000026
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Research and development of two-phase Cr-Ni-Mo high alloyed stainless steel.
Original language description
Stainless steels are all the time required to increased resistance in corrosive environment. Duplex stainless steel (DSS) and more resistant super duplex stainless steel (SDSS) are primarily used for equipment working with oil, paper, salt water and petrochemical industry. The surface passivation capable materials as DSS and SDSS are injured by pitting corrosion. Research of production technology of super duplex Cr-Ni-Mo steel and proposal of heat melting and ingot hot forging are described in this paper. Ingot of grade X2CrNiMoN29-7-2 with weight 1700kg was casted. Forming technology with respect to elimination detrimental intermetallic phase precipitation was proposed. Work presents the information about nitrogen solubility and its influence in duplex steel, influences others alloying elements and heat treatment on structure state. Key word: Super duplex steel, nitrogen, induction melting furnace.
Czech name
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Czech description
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Project
<a href="/en/project/FR-TI1%2F351" target="_blank" >FR-TI1/351: *Research, development and verification of production technology new grades of high alloyed steels destined for forging with regard to reduction of energy intensity of steel production</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2010
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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