Mechanical Properties of P92 Welded Joint after 3000 Hours of Annealing at 600 and 650°C

• Autorzy: Sówka Karol , Purzyńska Hanna , Sroka Marek , Puszczało Tomasz , Zieliński Adam

Identyfikatory

DOI

10.24425/amm.2024.149800

• Języki publikacji: EN

Abstrakty

EN

P92 steel is a modern martensitic heat-resistant steel currently used for seamless products for pressure equipment operating in supercritical operating parameters. The paper presents the results of a study on the strength properties and structure of a P92 steel welded joint used for pressure components of power units. The paper presents an assessment of the suitability for further operation of both the parent material and a circumferential similar welded joint of finished products in the form of P92 steel pipes after annealing for 3000 hours at 600 and 650°C. Annealing at 650°C results in faster increase in the size of the precipitates and their coagulation along grain boundaries of former austenite and martensite laths. The changes in mechanical properties were compared in relation to the state of the structure of the parent material and the material of the welded joint. Quantitative analysis of M₂₃C₆ precipitates was also carried out.

Słowa kluczowe

EN

P92 steel; similar welded joint; microstructure; mechanical properties testing; annealing

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2024
• Tom: Vol. 69, iss. 2
• Strony: 705--709
• Opis fizyczny: Bibliogr. 26 poz., fot., rys., tab.

Twórcy

autor

Sówka Karol

• Silesian University of Technology, Department of Engineering Materials and Biomaterials, 18A, S. Konarskiego Str., 44-100 Gliwice, Poland
• ZRE, 13 Gen. Jankego Str., 40-615 Katowice, Poland

• https://orcid.org/0000-0002-0709-9870

autor

Purzyńska Hanna

• Łukasiewicz Research Network - Institute for Ferrous Metallurgy, 12-14 K. Miarki Str., 44-100 Gliwice, Poland

• https://orcid.org/0000-0002-7936-9999

autor

Sroka Marek

• Silesian University of Technology, Department of Engineering Materials and Biomaterials, 18A, S. Konarskiego Str., 44-100 Gliwice, Poland

• https://orcid.org/0000-0002-8711-5534

autor

Puszczało Tomasz

• Silesian University of Technology, Department of Engineering Materials and Biomaterials, 18A, S. Konarskiego Str., 44-100 Gliwice, Poland
• ZRE, 13 Gen. Jankego Str., 40-615 Katowice, Poland

• https://orcid.org/0000-0003-2925-1818

autor

Zieliński Adam

• Łukasiewicz Research Network - Institute for Ferrous Metallurgy, 12-14 K. Miarki Str., 44-100 Gliwice, Poland

• https://orcid.org/0000-0003-1205-5482

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