Regarding the implementation of the \"Detailed Rules for Assessing Welders of Special Equipment\"? ? ? ?
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The Implementation Opinions on the \"Detailed Rules for the Assessment of Welders Working on Special Equipment (TSG Z6002-2010)\\" (Quality Inspection Special Letter [2011] No. 9) are set to take effect on February 1, 2011, with a transition period from February 1, 2011, to August 1, 2011. Table P12 A-3: Categories of filler metals, examples, and application ranges: Steel – all steel welding wires – FefS – all solid and cored welding wires – FefS – JB/T4747 JB/T4747–2002? Or JB/T4747–200X? The 2002 version didn’t have any welding wire at all!
I guess it’s neither JB/T4747–2002 nor JB/T4747–20XX; it’s likely to become NB/T47XXX–20XX. Hahaha, this is probably why standards are so chaotic and imperfect. It’s not too much to assume that when the examination regulations were issued, they still didn’t know what the next version of 4744 would be called.
There are already excellent resources online regarding welding assessment standards.