C23G CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
Introduced: September 1968
Description
C23G covers chemical cleaning and degreasing processes for metallic materials using non-electrochemical methods, including acid pickling, alkaline cleaning, solvent degreasing, and passivation treatments. These processes remove contaminants such as oxides, oils, greases, and other surface impurities prior to further metallurgical operations or coating application. The classification excludes electrochemical cleaning methods (covered under C23F) and mechanical cleaning techniques, focusing specifically on chemical attack and dissolution mechanisms.
Title
Titles differ between systems:
IPC: CLEANING OR DEGREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
CPC: CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
Full Title
Full titles differ between systems:
CLEANING OR DEGREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
IPC and CPC are identically structured here. All 3 subcodes exist in both systems.
2 shared codes have differing titles between IPC and CPC.
Child Classifications
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- C23G 1/00 Cleaning or pickling metallic material with solutions or molten salts (with organic solvents C23G5/02) IPC+CPC Available in IPC and CPC
- C23G 3/00 Apparatus for cleaning or pickling metallic material (with organic solvents C23G5/04) IPC+CPC Available in IPC and CPC
- C23G 5/00 Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents IPC+CPC Available in IPC and CPC