GB/T 20947-2007
Short-link chain for lifting purposes-Grade T (types T, DA T and DT), fine-tolerance hoist chain (English Version)
- Standard No.
- GB/T 20947-2007
- Language
- Chinese, Available in English version
- Release Date
- 2007
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Latest
- GB/T 20947-2007
- Scope
- This standard specifies the requirements for T-class (T, DAT and DT types) high-precision hoist chains for manual hoists or power-driven chain hoists". Chain, its heat treatment and test shall be in accordance with the general acceptance rules stipulated in GB/T 20946.
GB/T 20947-2007 Referenced Document
- GB/T 16825.1-2002 Verification of static uniaxial testing machines--Part 1: Tension/compression testing machines--Verification and calibration of the force-measuring system
- GB/T 20946 Short link chain for lifting purposes-General conditions of acceptance
- GB/T 4340.1 Metallic materials.Vickers hardness test.Part 1:Test method*， 2009-06-25 Update
- ISO 4301-1 Cranes - Classification - Part 1: General*， 2016-07-01 Update
- ISO 4965 Axial load fatigue testing machines; Dynamic force calibration; Strain gauge technique
- ISO 643 Steels — Micrographic determination of the apparent grain size*， 2020-03-01 Update
GB/T 20947-2007 history
- 2007 GB/T 20947-2007 Short-link chain for lifting purposes-Grade T (types T, DA T and DT), fine-tolerance hoist chain
