Class | Nominal tungsten (weight percent) | Density (g/cc) | Hardness ( HRC )(maximum) |
1 | 90 | 16.85 - 17.25 | 32 |
2 | 92.5 | 17.15- 17.85 | 33 |
3 | 95 | 17.75- 18.35 | 34 |
4 | 97 | 18.25- 18.85 | 35 |
Tungsten
Content |
Type |
Diameter
(mm) |
Dia.Tolerance
(mm) |
Length
(mm) |
L tolerance
(mm) |
99.95% | Sintering rod | 40-100 | ±3 | 500max | ±5 |
99.95% | Froged rod | 20-80 | ±2 | 800max | ±5 |
99.95% | Ground rod | 2-60 | ±0.1 | 600max | ±1 |
Content of Tungsten | Content of all other elements | Content of each element |
≥99.95% | ≤0.05% | ≤0.01% |