GB/T 3639-2000
Cold-drawn or cold-rolled precision seamless steel tubes
- Standard No.
- GB/T 3639-2000
- Language
- Chinese
- Release Date
- 2000
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Status
- 2010-05
- Replace By
- GB/T 3639-2009
- Lastest
- GB/T 3639-2021
- Scope
- This standard specifies the classification and code, size, shape, weight and allowable deviation, technical requirements, test methods, inspection rules, packaging, marks and quality certificates of cold-drawn or cold-rolled precision seamless steel pipes. This standard applies to the manufacture of cold-drawn or cold-rolled precision seamless steel tubes for mechanical structures, hydraulic equipment, and automobiles with special dimensional accuracy and high surface quality requirements.
GB/T 3639-2000 history
- 2021 GB/T 3639-2021 Seamless cold-drawn or cold-rolled steel tubes for precision applications
- 2009 GB/T 3639-2009 Seamless cold-drawn or cold-rolled steel tubes for precision applications
- 2000 GB/T 3639-2000 Cold-drawn or cold-rolled precision seamless steel tubes