GB16508-2013 Will it rot?
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This post was last edited by wuqitao0000 on 2017-5-9 14:47. Personally, I think it’s terrible: In the 16508.3-2013 model (46) (49), what does μ represent? Neither the original standard nor the corrigendum mentions it? If you have similar questions, please feel free to ask as well.
The question raised by the OP is very good and thorough. It should be “u”: the percentage of roundness of the horizontal straight furnace chamber, not “μ”. It seems that the work wasn’t done with sufficient care and attention; compared to before, there’s a lack of professionalism and respect for standards.
Standards are created by humans; stay calm