Basic Plating Specifications:
|
Anodizing |
MIL-A-8625 |
|
Type II- Sulfuric Anodize |
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Class I- Non Dyed, Class II- Dyed |
|
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| Cadmium |
QQ-P-416 or ASTM-A165 |
| |
Class I- 0.0005, Class II- 0.0003, Class III- 0.0002 |
|
Type I- As plated w/o supplementary treatment |
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Type II- with supplementary chromate treatment |
| |
Type III-(Conductive) with supplementary phosphate treatment |
|
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| Cadmium, Low Embrittlement |
MIL-STD-870 |
|
|
| Chemical Finish: Black |
MIL-F-495 |
|
|
| Chromate Conversion (Chem Film)MIL-C-5541 or MIL-C-81706 |
Type IA- heavier coating 40 to 10 mg/square foot
Type 3- lighter coating 10 mg/square foot |
|
|
| Copper |
MIL-C-14550 |
|
Class 0- 0.001-0.005 for heat treatment stop-off |
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Class I- 0.001 carburizing shield |
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Class II- 0.0005 plating undercoat |
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Class III- 0.0002 prevents metal migration |
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Class IV- 0.0001 |
|
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| Electroless Nickel |
MIL-C-26074 |
|
Class I- As plated w/o supplementary heat treatment |
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Class II- Heat treated to obtain required hardness |
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Class III- Aluminum alloys, non-heat-treat |
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Class IV- Aluminum alloys, heat-treat |
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Grade A- 0.0010 |
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Grade B- 0.0005 |
|
Grade C- 0.0015 |
|
Commercial- As specified |
|
|
| Gold |
ASTM B488 or AMS 2422 |
|
|
| Hard Anodize |
MIL-A-8625 |
|
Type III- thickness as specified, nominal 0.002 |
|
Class I- Non-dyed |
|
Class II- Dyed as specified |
|
|
| Nickel |
QQ-N-290 |
|
Class I- for corrosion protection |
|
Class II- for engineering applications |
|
Grade A- 0.0016 |
|
Grade B- 0.0012 |
|
Grade C- 0.0010 |
|
Grade D- 0.0008 |
|
Grade E- 0.0006 |
|
Grade F- 0.0004 |
|
Grade G- 0.0002 |
| Palladium |
MIL-P-45209B or ASTM-B679 |
|
|
| Passivate |
QQ-P-35 |
|
Type II- medium temperature nitric acid with |
|
Sodium dichromate |
|
Type VI- low temperature Citric acid |
|
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| Phosphate: Heavy |
DOD-16232 |
|
Type M- Manganese Phosphate |
|
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| Phosphate: Light |
TT-C-490 |
| |
Type I- Zinc Phosphate |
| |
Type II- Iron Phosphate |
| |
|
| Rhodium |
MIL-R-46085B or ASTM-B634 |
| |
|
| Silver |
QQ-S-365 |
| |
Type I- Matte finish |
| |
Type II- Semi-Bright finish |
| |
Grade A- Chromate post-treatment |
| |
Grade B- no supplementary treatment |
|
|
| Sulfamate Nickel |
MIL-P-27418 |
|
|
| Tin Plating |
MIL-T-10727 |
| |
Type I- Electrodeposited, 0.0001-0.00025 flash for solder, or 0.0003 min corrosion protection |
|
|
| Zinc |
ASTM-B633 or QQ-Z-325 |
| |
Service Condition IV or Class I- 0.0010 min |
| |
Service Condition III or Class II- 0.0005 min |
| |
Service Condition II- 0.0003 min |
| |
Service Condition I or Class III- 0.0002 |
| |
Type I- As plated w/o supplementary treatment |
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Type II- With colored chromate conversion coating |
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Type III- With clear chromate conversion coating |
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