Name:
GMNA GM4252M PDF
Published Date:
05/01/1996
Status:
[ Revised ]
Publisher:
General Motors North America
1 SCOPE.
These specifications cover basic requirements for plated finishes of the zinc and cadmium types. A system of suffix letters and numerals is provided for designating such details as: Plate thickness Conventional vs mechanical (peen) plating Plate plus chromate treatment Bright plate plus clear chromate Black plate Plate plus chromate plus color dye Neutral salt spray test resistance Example: GM4342M Code 20D24 indicates a zinc plated finish, 0.0002 inch minimum thickness, chromate treated to withstand 24 h neutral salt spray test without evidence of white corrosion products.
| Edition : | B |
| File Size : | 1 file , 310 KB |
| Number of Pages : | 5 |
| Published : | 05/01/1996 |