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Proceedings Paper

Microstructures and properties of laser welded Super304 steel pipe joints using LNM304 filler wire as an additional material
Author(s): H. Danielewski; A. Skrzypczyk; B. Antoszewski; W. Zowczak; A. Zrak
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Paper Abstract

Paper presents results of microstructure and mechanical tests of welded joints of new generation Super304 austenitic stainless steel using high power CO2 laser (LBW method) with bifocal welding head. Super304 is modified 304 steel dedicated to energetic installation material, designed to replace currently used. High content of chromium and nickel with others alloying elements improve its resistance and strength characteristic. Use of Super304 steel for production of the superheaters, heating chambers and walls in steam boilers resulted in various weldability researches.

In article are presented results of destructive and non-destructive tests. For destructive: static bending and Vickers hardness tests, and for non-destructive: VT, RT, UT, micro and macroscopic tests were performed.

Paper Details

Date Published: 4 December 2018
PDF: 8 pages
Proc. SPIE 10974, Laser Technology 2018: Progress and Applications of Lasers, 109740P (4 December 2018); doi: 10.1117/12.2516640
Show Author Affiliations
H. Danielewski, Kielce Univ. of Technology (Poland)
A. Skrzypczyk, Kielce Univ. of Technology (Poland)
B. Antoszewski, Kielce Univ. of Technology (Poland)
W. Zowczak, Kielce Univ. of Technology (Poland)
A. Zrak, Univ. of Žilina (Slovakia)

Published in SPIE Proceedings Vol. 10974:
Laser Technology 2018: Progress and Applications of Lasers
Jan K. Jabczynski; Ryszard S. Romaniuk, Editor(s)

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