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首页> 外文期刊>Journal of Materials Engineering and Performance >Effects of a Postweld Heat Treatment on a Submerged Arc Welded ASTM A537 Pressure Vessel Steel
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Effects of a Postweld Heat Treatment on a Submerged Arc Welded ASTM A537 Pressure Vessel Steel

机译：焊后热处理对埋弧焊ASTM A537压力容器钢的影响

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摘要

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 Cl steel subjected to qualifying welding procedure tests including PWHT (650 deg 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).
机译：遵循ASME规范（第VIII节）的要求，焊接后热处理（PWHT）通常应用于钢制压力容器，该规范根据焊接部分的厚度和化学成分确定PWHT的参数。这项工作显示了对ASTM A537 Cl钢样品进行的分析结果，该样品经过了包括PWHT（650℃/ 5 h :)在内的合格焊接程序测试。获得的结果表明，这种PWHT做法促进了贱金属和热影响区（HAZ）的机械性能下降。

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