Military Plating Specifications Index

By Process Name   By Military Specification Anodize MIL-A-8625F  Black Chrome MIL-C-14538C  Black Oxide  MIL-C-13924C  Cadmium QQ-P-416F  Chemical Films MIL-C-5541E  Chemical Finish; Black MIL-F-495E  Chrome QQ-C-320B  Copper MIL-C-14550B  Electroless Nickel MIL-C-26074E Electroless Nickel AMS-2433B  Electropolishing (No mil spec)  Gold MIL-G-45204C  Hard Anodize MIL-A-8625F  Lubricant, Solid Film MIL-L-46010D  Magnesium Processes MIL-M-3171C  Magnesium Anodic MIL-M-45202C  Nickel QQ-N-290A  Palladium MIL-P-45209B  Passivate QQ-P-35C  Phosphate Coating; Light TT-C-490D  Phosphate Coating; Heavy DOD-P-16232-F  Rhodium MIL-R-46085B  Salt Bath Nitriding SAE AMS 2755 Silver QQ-S-365D  Tin MIL-T-10727C Tin Lead MIL-P-81728A  Vacuum Cadmium MIL-C-8837B  Zinc ASTM-B633                (No mil spec) Electropolishing  AMS 2433 B Electroless Nickel  ASTM-B633 Zinc  DOD-P-16232F Phosphate Coating: Heavy  MIL-A-8625F Anodize MIL-C-13924C Black Oxide Coating  MIL-C-14538C Black Chrome  MIL-C-14550B Copper  MIL-C-26074E Electroless Nickel  MIL-C-5541E Chemical Films  MIL-C-8837B Vacuum Cadmium  MIL-F-495E Chemical Finish:Black  MIL-G-45204C Gold  MIL-L-46010D Lubricant, Solid Film  MIL-M-3171C Magnesium Processes  MIL-M-45202C Magnesium Anodic MIL-P-45209B Palladium  MIL-P-81728A Tin Lead  MIL-R-46085B Rhodium  MIL-S-5002 Passivate MIL-T-10727C Tin  QQ-C-320B Chrome  QQ-N-290A Nickel  QQ-P-35C Passivate  QQ-P-416F Cadmium  QQ-S-365D Silver  SAE AMS 2755 Salt Bath Nitriding TT-C-490D Phosphate Coating:Light  TABLE I: Thickness Classes for Coatings For Zinc Plating  ClassificationA Number and Conversion Coating Suffix  Service Condition  Thickness Minimum (µm)  Fe/Zn 5  SC 1 (mild)  5  (.0002") Fe/Zn 8  SC 2 (moderate)  8  (.0003") Fe/Zn 12  SC 3 (severe)  12 (.0005")  Fe/Zn 25  SC 4 (very severe)  25 (.001") A Iron or steel with zinc electroplate. Numeral indicates thickness in micrometers. B Where service conditions are valid only for coatings with chromate conversion coating.     Type II for SC 4 and SC 3 and Type III for SC 2 and SC 1.

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