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[43850] Artykuł: Properties and Microstructure of Laser Welded VM12-SHC Steel Pipes JointsCzasopismo: Archives of Metallurgy and Materials Tom: 61, Zeszyt: 2, Strony: 1143-1149ISSN: 1733-3490 Wydawca: POLSKA AKAD NAUK, POLISH ACAD SCIENCES, INST METALL & MATER SCI PAS, PL, 00-901 WARSZAWA, POLAND Opublikowano: Czerwiec 2016 Liczba arkuszy wydawniczych: 0.50 Autorzy / Redaktorzy / Twórcy Grupa MNiSW: Recenzowana publikacja w języku innym niż polski w zagranicznym czasopiśmie spoza listy Punkty MNiSW: 5 Klasyfikacja Web of Science: Article ![]() ![]() ![]() ![]() Keywords: laser welding  VM12-SHC martensitic steel  bifocal welding head  properties of pipe welds  |
Paper presents results of microstructure and tests of welded joints of new generation VM12-SHC martensitic steel using high
power CO2 laser (LBW method) with bifocal welding head. VM12-SHC is dedicated to energetic installation material, designed
to replace currently used. High content of chromium and others alloying elements improve its resistance and strength characteristic.
Use of VM12-SHC 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.