HB/Z 5125-2008 (English Version) PDF

Scope: This guiding technical document specifies the materials, equipment, process flow, main process technical requirements, solution preparation, solution maintenance and adjustment, quality assurance, and defect handling for the chemical milling of aluminum alloys in alkaline solution (hereinafter referred to as chemical milling). and safety and fire prevention, etc. This guiding technical document is applicable to chemical milling of aluminum alloy parts for aviation products.

HB/Z 5125-2008 Referenced Document

GB 209 Sodium hydroxide for industrial use
GB 210.1 Specification and determintion methods of sodium carbonate for industrial use Part 1:sodium carbonate for industrial use
GB 7744 Hydrofluoric acid for industrial use*， 2008-09-18 Update
GB/T 10500 Sodium sulfide for industrial use*， 2009-06-02 Update
GB/T 13277 Compressed air for general use--Quality classes
GB/T 1610 Chromium trioxide for industrial use*， 2009-06-02 Update
GB/T 337.2 Dilute nitric acid for industrial use*， 2014-07-08 Update
GB/T 6026 Amendment No. 1 to Industrial Acetone
GB/T 7998 Evaluation method of intergranular corrosion susceptibility of aluminum alloy*， 2023-05-23 Update
HB 5226 Specifications for water-based cleaning agents for metal materials and parts
HB 5453 Specification for maskant of chemical milling for aluminium alloy
HB 7786 General requirements for precision and surface roughness of chemically milled parts
HG/T 2517 Trisodium phosphate for industrial use*， 2009-12-04 Update
HG/T 3268 Triethanolamine for industrial use
HG/T 3586 Ammonium bifloride for industrial use

2008 HB/Z 5125-2008 Process of chemical milling for aluminum alloys in alkali solution
1980 HB/Z 5125-1979 Chemical milling process of aluminum alloy in alkaline solution