Microstructures and properties of laser welded Super304 steel pipe joints using LNM304 filler wire as an additional material

Danielewski, Hubert; Skrzypczyk, Andrzej; Antoszewski, B.; Zowczak, W.; Zrak, Andrej

doi:10.1117/12.2516640

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2019

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“…Although Super 304 austenitic stainless steel is characterized as being well weldable, the laser beam welding (LBW) requires a careful control of a welding temperature [4] and obtaining a proper weld without welding defects is difficult to achieve. Conventional welding methods require the preparation of joining edges by chamfering [5].…”

Section: Introductionmentioning

confidence: 99%

Laser welding of pipe stubs made from super 304 steel. Numerical simulation and weld properties

Danielewski

2019

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The laser welding process of test pipe stubs which were made from Super 304 stainless steel is usually used to produce components of a power infrastructure. It was numerically simulated and the obtained results are presented in this paper. For the laser welding method, the weldability of this steel is presented, as well as the results of strength and microstructure tests of a joint welded at the parameter settings selected from a numerical simulation. The chemical composition, including the increased content of alloying elements such as chromium and nickel, improves the strength characteristics of the welded steel, allowing for the production of components of superheaters and partition walls of boilers operating in supercritical parameters.

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Section: Introductionmentioning

confidence: 99%

Microstructures and properties of laser welded Super304 steel pipe joints using LNM304 filler wire as an additional material

Cited by 1 publication

References 5 publications

Laser welding of pipe stubs made from super 304 steel. Numerical simulation and weld properties

Laser welding of pipe stubs made from super 304 steel. Numerical simulation and weld properties

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