China Tungsten Alloy Ball Tungsten Ball Weight (tungsten shot weight), Find details about China Tungsten Alloy Ball Tungsten Ball, Tungsten Super Shot from Tungsten Alloy Ball Tungsten Ball Weight (tungsten shot weight)
| 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 |
Property of tungsten alloy WNiFe
AMST 21014 class 1
90%WNiFe, 90%WNiCu
Density : 17.0
Hardness: 32HRC max
Elongation: 5-20%
AMST 21014 class 2
92.5%WNiFe, 92.5%WNiCu
Density : 17.2
Hardness: 33HRC max
Elongation: 5-15%
AMST 21014 class 3
95%WNiFe, W95NiCu
Density : 18.0
Hardness: 34HRC max
Elongation: 3-10%
AMST 21014 class 4
97.5%WNiFe, W97.5NiCu
Density : 18.85
Hardness: 35HRC max
Elongation: 1-8%
| Tungsten Alloys | ||||
| EFI Grade | EF17 | EF175 | EF18 | EF185 |
| ASTM B 777-07 | 1 | 2 | 3 | 4 |
| Weight % Tungsten | 90 | 92.5 | 95 | 97 |
| Nominal Density GM/CC | 17.00 | 17.50 | 18.00 | 18.50 |
| Minimum* Ultimate Tensile Strength UTS (KSI) | 110 | 110 | 105 | 100 |
| Minimum* Elongation % | 5 | 5 | 3 | 2 |
| Modulus of Elasticity (KSI) | 45,000 | 48,000 | 50,000 | 52,000 |
Tungsten high heavy aloy applications:
- Balancing weights
- Electroheat upsetting anvil block
- Balls in bomb
- High voltage electrical contact