MIL-STD-186F (MI)
TABLE III. Metallic coatings - Continued.
Code No. |
Coating |
Type |
Other Treatment |
Thickness, minimum |
377 378 380 381 382 383 384 385 |
Same Same (Not used) Zinc plate (ASTM B 633) Same Same Same Same |
Class 4, Grade A (aluminum alloys, heat- treatable, processed to improve adhesion of the nickel deposit) Class 1, Grade C Type II, Class Fe/Zn 25 Type II, Class Fe/Zn 13 Type II, Class Fe/Zn 8 Type IV, Class Fe/Zn 25 Type IV, Class Fe/Zn 13 |
Supplementary Chromate Supplementary Chromate Supplementary Chromate Supplementary Chromate Supplementary Chromate |
0.0015 inch for severe corrosion environments 25 micrometers 13 micrometers 8 micrometers 25 micrometers 13 micrometers |
59
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