GB/T 4187
GB/T 4187 (Tungsten bars and rods)· GB (China) · 4 materials
| Designation | Material group | |
|---|---|---|
| W1 | Tungsten | chevron_right |
| WK40 | Tungsten | chevron_right |
| WK60 | Tungsten | chevron_right |
| WK80 | Tungsten | chevron_right |
GB/T 4187 (Tungsten bars and rods)· GB (China) · 4 materials
| Designation | Material group | |
|---|---|---|
| W1 | Tungsten | chevron_right |
| WK40 | Tungsten | chevron_right |
| WK60 | Tungsten | chevron_right |
| WK80 | Tungsten | chevron_right |