Basic Properties of Steel 15NiCuMoNb5 (WB36) Steel Workpiece

Metal of an experimental plate (workpiece) specially made of 15NiCuMoNb5 (WB36) steel, which imitates a full-scale fragment of a boiler drum, is studied. Chemical composition and microstructure are analyzed, and metal and welded joint hardness are determined taking account of the distribution of the...

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Bibliographic Details
Published in:Power technology and engineering 2023-09, Vol.57 (3), p.424-430
Main Authors: Grin’, E. A., Pchelintsev, A. V., Zelenskii, A. V., Sarkisyan, V. A.
Format: Article
Language:English
Subjects:
Base metal
Chemical composition
Electrical Machines and Networks
Energy
Energy Systems
Foundations
Geoengineering
Hardness
Heat affected zone
High strength low alloy steels
Hydraulics
Power Electronics
Renewable and Green Energy
Scale (corrosion)
Thickness
Welded joints
Workpieces
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Summary:Metal of an experimental plate (workpiece) specially made of 15NiCuMoNb5 (WB36) steel, which imitates a full-scale fragment of a boiler drum, is studied. Chemical composition and microstructure are analyzed, and metal and welded joint hardness are determined taking account of the distribution of these characteristics over the plate thickness. It is shown that composition, structure and hardness of the base metal and welded joint depend weakly upon location of the zone studied within the plate thickness. Small distinctive features characterize only the metal of the heat-affected zone in the transition area from the main part to the root of the weld, due to a higher level of heat input in this area during welding.
ISSN:1570-145X
1570-1468
DOI:10.1007/s10749-023-01680-z