GB 25974.2-2010
Powered support for coal mine.Part 2:Specification for power set legs and rams (English Version)
- Standard No.
- GB 25974.2-2010
- Language
- Chinese, Available in English version
- Release Date
- 2011
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Latest
- GB 25974.2-2010
- Scope
- This part of GB 25974 specifies the terms and definitions, requirements, test methods, inspection rules, signs, packaging, transportation and storage of hydraulic support columns and jacks for coal mines. This section applies to hydraulic support columns and jacks for coal mines.
GB 25974.2-2010 Referenced Document
- GB 25974.2 Powered support for coal mine.Part 2:Specification for power set legs and rams
- GB/T 11352 Carbon steel castings for general engineering purpose
- GB/T 1184 Geometrical tolerancing--Geometrical tolerance for features without individual tolerance indications
- GB/T 12361 Steel die forgings.General specification*， 2016-12-13 Update
- GB/T 1804 General tolerances Tolerances for linear and angular dimensions without individual tolerance indications
- GB/T 197 General purpose metric screw threads—Tolerances*， 2018-03-15 Update
- GB/T 228 Metallic materials--Tensile testing at ambient temperature
- GB/T 229 Metallic materials—Charpy pendulum impact test method*， 2020-09-29 Update
- GB/T 2650 Destructive tests on welds in metallic materials—Impact tests*， 2022-10-12 Update
- GB/T 2651 Destructive testing of welds on metallic materials Transverse tensile testing*， 2023-05-23 Update
- GB/T 2828 Batch-by-batch inspection counting sampling procedure and sampling table (applicable to continuous batch inspection)
- GB/T 2829 Sampling procedures and tables for periodic inspection by attributes (Apply to inspection of process stability)
- GB/T 3452.1 Fluid power systems-O-rings-Part 1:Inside diameters,cross-sections,tolerances and size identification code
- GB/T 6394 Determination of estimating the average grain size of metal*， 2017-02-28 Update
- JB/T 3338 Hydranlic cylindrically helical compression spring.Technical specifications*， 2013-12-31 Update
- MT 313 Hydraulic support column technical conditions
- MT 76 Emulsifying oil，concentrate fluid and high-water content hydraulic fluid used for powered support *， 2011-11-16 Update
GB 25974.2-2010 history
- 2011 GB 25974.2-2010 Powered support for coal mine.Part 2:Specification for power set legs and rams
