GB/T 16950-1997
Diamond core drilling equipment conventional system (English Version)
- Standard No.
- GB/T 16950-1997
- Language
- Chinese, Available in English version
- Release Date
- 1997
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Status
- 2014-10
- Replace By
- GB/T 16950-2014
- Latest
- GB/T 16950-2014
- Scope
- This standard specifies the type, size, main mechanical properties, connecting threads, etc. technical content. Drilling tools using other rock breaking tools can also be used as a reference. This standard includes the following contents: --Single-layer core pipe; --M-type double-layer core pipe; --T-type double-layer core pipe; --P-type double-layer core pipe; - Bushings, bushing accessories and connection conditions.
GB/T 16950-1997 history
- 2014 GB/T 16950-2014 Geological core drilling tools
- 1997 GB/T 16950-1997 Diamond core drilling equipment conventional system
- 1982 GB 3423-1982 Seamless steel tubes standard use diamond core drilling
