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| 4K026 | Chemical treatment of metals | |
| C23C22/00 -22/86 | ||
| C23C22/00-22/86 | AA | AA00 BASE MATERIAL THAT IS TREATED |
AA01 | AA02 | AA03 | AA04 | AA05 | AA06 | AA07 | AA08 | AA09 | AA10 |
| . Materials | . . Iron/alloys based on iron | . . . Silicon steel | . . . Stainless steel | . . . Amorphous | . . Copper/alloys based on copper | . . Zinc/alloys based on zinc | . . Refractory metals/alloys based on refractory metals | . . Aluminum/alloys based on aluminum | . . Selenium/alloys based on selenium | |||
| AA11 | AA12 | AA13 | ||||||||||
| . Plating layers | . . Electroplating layers | . . Hot dipped layers | ||||||||||
| AA21 | AA22 | AA23 | AA24 | AA25 | ||||||||
| . Shape | . . Strips | . . Powders | . . Rods/wires | . . Hollow bodies/containers | ||||||||
| BA | BA00 COATING COMPOSITION, STRUCTURE |
BA01 | BA02 | BA03 | BA04 | BA05 | BA06 | BA07 | BA08 | BA09 | ||
| . Composition | . . Silicate coatings | . . Phosphate coatings | . . . Zinc phosphate coatings | . . . Manganese phosphate coatings | . . Chromate coatings | . . Phosphoric acid chromate coatings | . . Oxide coatings | . . Sulfide coatings | ||||
| BA11 | BA12 | BA13 | ||||||||||
| . Structure | . . Multi-layer coatings | . . Partial coatings | ||||||||||
| BB | BB00 COATING PROPERTIES |
BB01 | BB02 | BB03 | BB04 | BB05 | BB06 | BB07 | BB08 | BB09 | BB10 | |
| . Decorative (color, luster) | . Hydrophilic | . Abrasion resistant | . Lubricating | . Electrically insulating | . Able to be (under) coated | . . Able to be electro-/electrostatically (under) coated | . Corrosion resistance | . Mechanically workable | . Other properties | |||
| CA | CA00 CHEMICAL TREATMENT SOLUTIONS |
CA01 | CA02 | CA03 | CA04 | |||||||
| . Molten solutions | . Non-aqueous solutions | . . Containing phosphorous compounds | . . Containing chromium compounds | |||||||||
| CA11 | CA12 | CA13 | CA14 | CA15 | CA16 | CA17 | CA18 | CA19 | CA20 | |||
| . Aqueous solutions | . . pH | . . . pH less than 6 | . . . pH between 6 and 8 | . . . pH greater than 8 | . . . Variants whose pH is not specified | . . Solution components | . . . Inorganic compounds | . . . . Trivalent chromium compounds | . . . . Hexavalent chromium compounds | |||
| CA21 | CA22 | CA23 | CA24 | CA25 | CA26 | CA27 | CA28 | CA29 | CA30 | |||
| . . . . . Anhydrous chromic acid | . . . . . Chromic acid | . . . . Phosphates | . . . . . Orthophosphates | . . . . . Condensed phosphates | . . . . Phosphoric acid | . . . . Silicates | . . . . Fluorides/complex fluorides | . . . . Molybdates | . . . . Vanadates | |||
| CA31 | CA32 | CA33 | CA34 | CA35 | CA36 | CA37 | CA38 | CA39 | CA40 | |||
| . . . . Tungstates | . . . . Nitric acid/nitrates | . . . . Sulfuric acid/sulfates | . . . . Chloric acid/chlorates | . . . . Peroxides | . . . . Hydroxides | . . . Organic compounds | . . . . Organic acids | . . . . Macromolecular compounds | . . . . Oxalates | |||
| CA41 | ||||||||||||
| . . . Colloids | ||||||||||||
| DA | DA00 TREATMENT METHODS, CONTROL AND APPARATUSES |
DA01 | DA02 | DA03 | DA04 | DA05 | DA06 | DA07 | DA08 | DA09 | DA10 | |
| . Means of solution application | . . Coating | . . Immersion | . . . Flow of solution (flow rate) | . . . Solution vibration | . . Spraying, atomizing | . Movement, transport of the base material | . . Variants using hangers | . . Variants using rollers | . Treatment solution shut-off (diaphragms) | |||
| DA11 | DA12 | DA13 | DA14 | DA15 | DA16 | DA17 | DA18 | DA19 | DA20 | |||
| . Drying | . Cleaning following application of the treatment solution | . Bath temperature | . Bath pressure | . Amount of treatment solution applied | . Controlling the coating thickness | . Supplementing the amount of solution in the bath | . Supplementing the components going into the treatment solution | . Regenerating the treatment solution | . . Sludge recovery | |||
| EA | EA00 PRE-TREATMENT |
EA01 | EA02 | EA03 | EA04 | EA06 | EA07 | EA08 | EA09 | EA10 | ||
| . Mechanical treatment | . . Roughening | . . Smoothing | . . De-scaling | . Chemical treatment | . . Oxide film removal | . . Washing | . . Application of surface preparation solutions | . . . Containing inorganic compounds | ||||
| EA11 | EA12 | EA13 | EA14 | EA15 | EA17 | |||||||
| . . . . Titanium, zirconium compounds | . . . . Inorganic acids | . . . Containing organic compounds | . . . . Organic acids | . . . . Macromolecular compounds | . Heat treatment (i.e., heating) | |||||||
| EB | EB00 POST-TREATMENT |
EB01 | EB02 | EB03 | EB04 | EB05 | EB06 | EB07 | EB08 | EB10 | ||
| . Chemical treatment | . . Solutions containing inorganic compounds | . . . Solutions containing chromium compounds | . . . Solutions containing inorganic acids | . . Solutions containing organic compounds | . . . Solutions containing tannins, tannic acid | . . . Solutions containing silane compounds | . . . Solutions containing macromolecular compounds | . Light beam irradiation | ||||
| EB11 | ||||||||||||
| . Heat treatment/fusing |