People find tungsten heavy alloy is excellent material for making this component. Since the density of tungsten alloy is so high and the maximum density should be 18.6g/cm3. It is popular for the component needs great heaviness but small capacity, for example: the vibrating parts of and clock, etc.
Clock vibration parts are one of our leading products. Compared with other materials, tungsten alloy vibrators bear the advantages of accurate weight, and non-magnetism. In particular, since a motorized weight usually produces the vibrations, lighter-weight phones may have weaker vibrating mechanisms.
Whenclock vibrates, there is an eccentric motion, which is caused by eccentric motor with vibrating components. As the center of the gravity is eccentric, and is not in the rotor of motor, then the clock vibrates. In this case, machinery component with good properties of wear resistant and high specific gravity is required.
Type |
Density (g/cm³) |
Tensile strength (MPa) |
Elongation |
Hardness (HRC) |
85W-10.5Ni-4.5Fe | 15.8-16.0 | 700-1000 | 20-33 | 20-30 |
90W-7Ni-3Fe | 16.9-17.1 | 700-1000 | 20-33 | 24-32 |
90W-6Ni-4Fe | 16.7-17.0 | 700-1000 | 20-33 | 24-32 |
91W-6Ni-3Fe | 17.1-17.3 | 700-1000 | 15-28 | 25-30 |
92W-5Ni-3Fe | 17.3-17.5 | 700-1000 | 18-28 | 25-30 |
92.5W-5Ni-2.5Fe | 17.4-17.6 | 700-1000 | 25-30 | 25-30 |
93W-4Ni-3Fe | 17.5-17.6 | 700-1000 | 15-25 | 26-30 |
93W-4.9Ni-2.1Fe | 17.5-17.6 | 700-1000 | 15-25 | 26-30 |
93W-5Ni-2Fe | 17.5-17.6 | 700-1000 | 15-25 | 26-30 |
95W-3Ni-2Fe | 17.9-18.1 | 700-900 | 8-15 | 25-35 |
95W-3.5Ni-1.5Fe | 17.9-18.1 | 700-900 | 8-15 | 25-35 |
96W-3Ni-1Fe | 18.2-18.3 | 600-800 | 6-10 | 30-35 |
97W-2Ni-1Fe | 18.4-18.5 | 600-800 | 8-14 | 30-35 |
98W-1Ni-1Fe | 18.4-18.6 | 500-800 | 5-10 | 30-35 |
90W-6Ni-4Cu | 17.0-17.2 | 600-800 | 4-8 | 25-35 |
93W-5Ni-2Cu | 17.5-17.6 | 500-600 | 3-5 | 25-35 |
Tungsten Counterweight
Material Safety Data Sheet of Tungsten Alloy
Material Safety Data Sheet of Tungsten Alloy (PDF)
Catalog of Tungsten Alloy Products (PDF)