B631
B631 (Standard Specification for Silver-Tungsten Electrical Contact Materials)· ASTM (United States) · 12 materials
| Designation | Material group | |
|---|---|---|
| B631 Class A1 | Tungsten | chevron_right |
| B631 Class A2 | Tungsten | chevron_right |
| B631 Class A3 | Tungsten | chevron_right |
| B631 Class A4 | Tungsten | chevron_right |
| B631 Class B1 | Tungsten | chevron_right |
| B631 Class B2 | Tungsten | chevron_right |
| B631 Class B3 | Tungsten | chevron_right |
| B631 Class B4 | Tungsten | chevron_right |
| B631 Class C1 | Tungsten | chevron_right |
| B631 Class C2 | Tungsten | chevron_right |
| B631 Class C3 | Tungsten | chevron_right |
| B631 Class C4 | Tungsten | chevron_right |