0.0 What do various standard codes represent?
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This post was last edited by livenever on 2014-8-28 at 14:02. In various standards such as JB/T xxx, QBT xxx, NB XXX, what do JB, QB, and NB each mean? ? ?
This post was last edited by He He He He Cheng on 2014-8-28 at 12:34. The title set by the OP doesn’t meet the requirements at all! The title should also briefly explain the issue! In case some users think it’s just a water-related standard and decide to ignore it, this will not help in resolving the issue. Additionally, JB refers to mechanical standards, NB refers to energy standards; QB generally denotes enterprise standards, while HG refers to chemical industry standards. GB represents national standards. If there is a ‘T’ after a standard, it indicates that it is a recommended standard; if there is no ‘T’, it means it is a mandatory standard
This post was last edited by ylb913 on 2014-8-28 at 12:55. JB/T is the code for recommended standards in the machinery industry； QB/T** – Code for the recommended industry standards issued by the Light Industry Bureau ； NB/T is a **recommendatory standard issued by the National Energy Administration; it belongs to the industry standards category and is published by the National Energy Administration.** Among them: /T is a recommended standard.
Also, I’d like to remind the original poster that you need to change your title; otherwise it’s considered invalid. The title must be at least 4 characters long, and “0.0” isn’t considered a character either
The answer on the 2nd floor is very comprehensive; those who use this standard regularly know that
This post was last edited by niat8888 on 2014-8-28 14:06 under Enterprise Standards. . It is generally represented by Q/
I really hadn’t noticed that /T means a recommended standard.
JB--Mechanical standards, QB--Light industry standards, NB--Energy industry standards; for which types of projects and equipment should one consult which standards first?