Silver Plating -
White matte to very bright in appearance. Good corrosion resistance, depending on base metal. Will tarnish easily. Hardness varies from about 90 Brinnell to about 135 Brinnell depending on process and plating conditions. Solderability is excellent, but decreases with age. Best electrical conductor. Has excellent lubricity and smear characteristics for anti galling uses on static seals, bushing, etc.
|
Specification
|
Thickness
|
Comments
|
| QQ-S-365 (Matte & Semi-bright) |
0.0005" min. unless otherwise specified |
Increasing use in both decorative and engineering fields, including electrical and electronic fields. |
| Type I |
| Type II |
| Type III |
| Grade A |
| Grade B |
|
| Matte |
| Semi-bright |
| Bright |
| Chromate post treatment to improve tarnish resistance |
| No chromate treatment. |
|
|
ASTM-B-700-97 (2002)
|
| Type I |
| Type II |
| Type III |
| Grade A |
| Grade B |
| Grade C |
| Grade D |
| Class N |
| Class S |
|
| 99.9% min |
| 99.0% min |
| 98.0% min |
| Matte |
| Bright |
| Bright (obtained by polishing of Grade A) |
| Semibright |
| No supplementary tarnish resist (chromate) treatment. |
| With supplementary tarnish resist (chromate) treatment (not suitable for food service applications). |
|
| AMS 2412 |
|
|
