B663/B663M
B663/B663M (Standard Specification for Silver-Tungsten Carbide Electrical Contact Material)· ASTM (United States) · 3 materials
| Designation | Material group | |
|---|---|---|
| B 663 Class A | Precious metals and alloys (Ag, Au, Pt, Pd) | chevron_right |
| B 663 Class B | Precious metals and alloys (Ag, Au, Pt, Pd) | chevron_right |
| B 663 Class C | Precious metals and alloys (Ag, Au, Pt, Pd) | chevron_right |