Effect of Preheating before Welding on the Microstructure and the Properties of SA213 T12 and SA387Gr11CL2 Steels Joints on the Example of a Sheet Piling

Kamil Sieczkowski; Agnieszka Szczotok

doi:10.4028/www.scientific.net/SSP.246.201

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Effect of Preheating before Welding on the Microstructure and the Properties of SA213 T12 and SA387Gr11CL2 Steels Joints on the Example of a Sheet Piling

Abstract:

The paper presents the results of the investigations of welded joints of the tube-flat bar type made of SA213 T12 and SA387Gr11CL2 steels. The joints were produced in two variants: 1) with heating up to 200°C, 2) without heating. The materials were joined by the submerged arc welding method. The temperatures of preheating before welding were determined, and it was verified whether the empiric relations (1) and (2), used to determine the minimal temperature of heating before welding for steel, can be applied under production conditions. The produced welded joints were evaluated quality-wise. Hardness measurements were performed in the particular joint areas. Finally, the effect of preheating on the obtained joints was compared.

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Periodical:

Solid State Phenomena (Volume 246)

Pages:

201-206

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.246.201

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Online since:

February 2016

Authors:

Kamil Sieczkowski, Agnieszka Szczotok*

Keywords:

Preheating before Welding, SA213 T12, SA387Gr11CL2, Steel Sheet Piling, Submerged Arc Welding

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