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Heat treatment issues related to the welding evaluation of heat exchange tubes and tube sheets

2017-08-28View Original

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When conducting weld evaluation for heat exchange tubes and tube sheets, the materials are as follows: the tube sheet is 20MnMo, and the heat exchange tubes are 20G. According to GB150, any thickness of 20MnMo material requires heat treatment. Could an expert please tell me whether heat treatment is necessary for the welding of the tube sheet in this context?
Reply #22017-08-31
It is necessary, and it is recommended to perform a surface inspection of the weld after heat treatment.

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Translated at 2026-07-21 04:26:59

Original: https://bbs.hcbbs.com/thread-1831201-1-1.html

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