This standard specifies the terms and definitions, product classification, technical requirements, test methods, inspection rules and markings, packaging, transportation and storage of bearing hinges. This standard applies to all types of bearing hinges for building doors, windows, and interior decoration.
QB/T 4063-2010 Referenced Document
GB/T 10125-1997 Corrosion tests in artificial atmospheres--Salt spray tests
GB/T 2828.1 Inspection procedure by count sampling part 1: Lot by lot inspection sampling plan retrieved by acceptance quality limit (AQL)*, 2013-02-15 Update
GB/T 2829 Sampling procedures and tables for periodic inspection by attributes (Apply to inspection of process stability)
GB/T 6461-2002 Methods for corrosion testing of metallic and other inorganic coatings on metallic substrates--Rating of test specimens and manufactured articles subjected to corrosion tests