Part of the powder metallurgy industry standard was abolished

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No. 9 of 2008 China Powder Metallurgy Business Network Exclusive Information China Powder Metallurgy Business Network Exclusive Information According to the “Regulations of the Implementation Law of the Standardization Law”, the Committee has reviewed the industry standards that have been implemented for more than 5 years and decided to repeal the JB 10145- 1999 “Safety Requirements for Die Casting Machines” and other 436 industry standards (see the appendix for the specific standard number, name and abolition reasons), including 253 mechanical industry standards, 37 light industrial standards, 18 textile industry standards, and black metallurgical industry standards. 1 item of non-ferrous metal industry standards, 3 items of chemical industry standards, 30 items of building materials industry standards, 2 items of petrochemical industry standards, 58 items of petroleum and natural gas industry standards, 1 item of electric power industry standards, and 13 items of auto industry standards are hereby announced. Effective from the date of publication.

The following are the relevant standards for powder metallurgy that have been abolished this time:

standard encdoing
standard name
Reason for abolition
JB/T 5964-1991
JZS series powder metallurgy oil pump rotor type, size and parameters
Standard content belongs to internal manufacturing process control and process regulations.
JB/T 6651-1993
Miniature car engine timing belt drive powder metallurgy timing pulley
The scope of application of the standard is small, and companies can set corporate standards according to their needs.
JB/T 7756-1995
Powder metallurgy sintering furnace RFT series push type sintering furnace
Standard content belongs to internal manufacturing process control and process regulations.
JB/T 8572-1997
Powder Metallurgy Diamond Grinding Wheel Carbide Roll Forming Grinding Wheel
The scope of application of the standard is small, and companies can set corporate standards according to their needs.
JB/T 9138-1999
Automotive shock absorber iron-based powder metallurgy parts
The scope of application of the standard is too small, it is recommended to establish enterprise standards

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