Nail manufacturer: Introduction to technical standard code of hardware building materials industry

Release time：2020-10-13　　　　 Time to browse

　　Within the scope of the whole world, every industry and have a technical standard, which is a symbol or a code to identify the uniqueness of this product, it is important to note that the code written in bigger Chinese phonetic alphabet (generally for two letters) said the product category, coding is made up of two groups of Arabic numerals, the first group of sequence number, year of the second group said the standards set by the product, between the two sets of Numbers separated by dash.

　　For example, GB4457.1--1562 "GB" stands for "national standard", "4457.1" is the serial number of the standard, "1562" is the year when the standard was issued and implemented, "GB/T 17452--1998", "GB/T" stands for "recommended international", "17452" is the number, and the issued year is 1998.

　　In China, standards are divided into four levels: national standards, industry standards, local standards, and enterprise standards. There is a certain compliance relationship and internal connection between each level.

　　National standard code for GB and GB/T, its meaning is mandatory national standards and recommended national standards, it is the main body of the four-level standard system, other levels of standards shall not conflict with it, the national standard code is shown in the table below:

　　(2) Industry standards Industry standards are represented by the Chinese phonetic abbreviations of the names of various industries, and the standard codes of some industries are shown in the following table:

　　Similarly, it is recommended to add "/T" after the industry code and not add "T" as the mandatory standard.

　　In addition, GB/Z, NATIONAL metrological verification regulation JJG and National metrological technical specification JJF can also be included in the standard category.

　　The code of local standard is Chinese pinyin alphabet "DB" plus the first two digits of the administrative delimit code of the province, autonomous region and municipality directly under the Central Government plus the slash to form the mandatory local standard code, plus "T" to form the recommended local standard code, the province, autonomous region and municipality codes are shown in the following table:

　　The numbering of local standards shall be composed of local standard code, local standard serial number and annual number, and shall also be divided into mandatory local standards and recommended local standards.

　　Enterprise standard Q+ enterprise code

　　Here the enterprise standard we iron nail manufacturer is an example, each enterprise has its own standards, but this standard also needs to report to the superior department and approval.