This standard specifies the quality requirements, acceptance rules and inspection methods for phosphating coatings on steel parts. It is suitable for the quality acceptance of phosphating coatings on parts (components) of aviation products.
HB 5063-1996 history
1996HB 5063-1996 Quality inspection of phosphating film layer on steel parts
1979HB 5063-1977 Quality inspection of phosphating film layer on iron and steel parts (trial implementation)