Provisions of national and American standards regarding local heat treatment of welds
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**Standard GB/T 30583-2014 \"Code for Post-Weld Heat Treatment of Pressure Equipment\" was issued on May 6, 2014, and came into effect on December 1, 2014. Before the issuance of this standard, the basic requirements regarding the temperature gradient for local heat treatment were already mentioned even in the pressure vessel standards, 14 years after the publication of the WRC 452 bulletin in June 2000. The following are the provisions regarding local heat treatment as taken from GB/T 30583-2014 \"Code for Post-Weld Heat Treatment of Pressure Equipment\":
The information comes from official account updates ----------------------------------------
This is also a feature of ASME: it clearly specifies what cannot be done, which makes it much \"user-friendly\" compared to national standards, as specific numerical requirements are provided, which is indeed very convenient. But it also has disadvantages for some practitioners.
Great post, thanks to the original poster; I’ve learned something.