BS 4577
BS 4577 (Specification for materials for resistance welding electrodes and ancillary equipment)· B.S. (United Kingdom) · 13 materials
| Designation | Material group | |
|---|---|---|
| A 1/2 | Copper | chevron_right |
| A 1/3 | Copper | chevron_right |
| A 2/1 | Copper | chevron_right |
| A 2/2 | Copper | chevron_right |
| A 3/1 | Copper | chevron_right |
| A 3/2 | Copper | chevron_right |
| A 4/1 | Copper | chevron_right |
| A 4/2 | Copper | chevron_right |
| A 4/3 | Copper | chevron_right |
| A 4/4 | Copper | chevron_right |
| B11 | Tungsten | chevron_right |
| B12 | Tungsten | chevron_right |
| B15 | Tungsten | chevron_right |