General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
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GB/T 20946-2007
Scope
This standard specifies the general rules for the acceptance of electric-welded round steel short link chains for lifting. Including hanging chains and ordinary precision chains for general lifting, as well as high-precision chains for chain hoists and other similar lifting equipment.
GB/T 20946-2007 Referenced Document
GB/T 16825.1 Metallic materials—Calibration and verification of static uniaxial testing machines—Part1:Tension/compression testing machines—Calibration and verification of the force-measuring system*, 2022-10-14 Update
GB/T 20947 Short-link chain for lifting purposes-Grade T (types T, DA T and DT), fine-tolerance hoist chain
ISO 1835 Round steel short link chains for lifting purposes - Medium tolerance sling chains - Grade 4, stainless steel*, 2018-07-31 Update
ISO 3075 Short link chain for lifting purposes; grade S (6) non calibrated, for chain slings etc.
ISO 3076 Round steel short link chains for general lifting purposes - Medium tolerance sling chains for chain slings - Grade 8*, 2012-06-01 Update
GB/T 20946-2007 history
2007GB/T 20946-2007 Short link chain for lifting purposes-General conditions of acceptance