Surface Treatment Specs: cadmium_plating
Electroplating and surface treatment specifications covering thickness ranges, hardness, corrosion resistance (salt spray hours), wear resistance, operating temperature limits, substrate compatibility, applicable standards, and finish appearance. Processes include zinc plating (clear/yellow/black chromate), zinc-nickel, bright electrolytic nickel, electroless nickel (mid/high phosphorus), hard chrome (hexavalent and trivalent), decorative chrome, tin, silver, gold, cadmium, anodizing (Type I/II/III per MIL-A-8625), zinc/manganese phosphate, black oxide, stainless steel passivation, and electropolishing.
| treatment category | treatment variant | coefficient of friction | corrosion resistance salt spray hrs (hr) | finish appearance | hardness max HV (HV) | hardness min HV (HV) | hardness typical HV (HV) | notes | operating temp max C (C) | process type | standard | substrate compatibility | thickness max in (in) | thickness max um (um) | thickness min in (in) | thickness min um (um) | thickness typical um (um) | wear resistance |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| cadmium_plating | cadmium_electroplated | 0.08-0.14 | 500 | silver-grey | 60 | 30 | 40 | Sacrificial anode; excellent galvanic compatibility with aluminum; aerospace standard (AMS-QQ-P-416); REACH restricted — restricted use; requires chromate topcoat | 230 | electroplating | AMS-QQ-P-416; ASTM F519 | high-strength steel, aluminum alloys | 0.001 | 25 | 0.0002 | 5 | 8 | moderate |
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