Post-weld heat treatment for pipes

2020-12-21View Original

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What type of pipe welding requires heat treatment, and are there standards for the temperature and holding time of this heat treatment? I earnestly ask all experts to provide answers!

Reply #22020-12-22

Please refer to the following standards: NB/T 10068-2018 – Specification for post-weld heat treatment of stainless steel pipes containing stabilizing elements; SH/T 3554-2013 – Specification for weld heat treatment of steel pipes used in petrochemical industries; SY/T 4083-2012 – Specification for heat treatment processes using electric heating to eliminate residual stresses from pipe welding; SY/T 6893-2012 – Specification for heat treatment and transportation processes of crude oil pipelines

Reply #32020-12-22

GBT 20801.4-2020 Code for pressure pipelines – Industrial pipelines – Part 4: Fabrication and installation; the 2006 version has been replaced

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Post-weld heat treatment for pipes

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