Effects of a postweld heat treatment on a submerged arc welded ASTM A537 pressure vessel steel
V Lúcia Othéro de Brito… - Journal of materials …, 2001 - Springer
V Lúcia Othéro de Brito, H Jacobus Cornelis Voorwald, N das Neves, I de S. Bott
Journal of materials engineering and performance, 2001•SpringerPostweld heat treatment (PWHT) is frequently applied to steel pressure vessels, following
the requirements of the ASME code (section VIII), which establishes the parameters of the
PWHT based on the thickness and chemical composition of the welded section. This work
shows the results of an analysis undertaken on a sample of ASTM A537 C1 steel subjected
to qualifying welding procedure tests including PWHT (650° C/5 h). The results obtained
showed that this PWHT practice promoted a reduction in the mechanical properties of the …
the requirements of the ASME code (section VIII), which establishes the parameters of the
PWHT based on the thickness and chemical composition of the welded section. This work
shows the results of an analysis undertaken on a sample of ASTM A537 C1 steel subjected
to qualifying welding procedure tests including PWHT (650° C/5 h). The results obtained
showed that this PWHT practice promoted a reduction in the mechanical properties of the …
Abstract
Postweld heat treatment (PWHT) is frequently applied to steel pressure vessels, following the requirements of the ASME code (section VIII), which establishes the parameters of the PWHT based on the thickness and chemical composition of the welded section. This work shows the results of an analysis undertaken on a sample of ASTM A537 C1 steel subjected to qualifying welding procedure tests including PWHT (650°C/5 h). The results obtained showed that this PWHT practice promoted a reduction in the mechanical properties of the base metal and the heat-affected zone (HAZ).
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