Tungsten Heavy Alloy Sphere boat Counterweight

Item No.: 033
WNiFe tungsten alloy sphere boat counterweight could help resist great storms on the sea, and keep the sailing boat steady without damage.
Regular sizes are on stock.

Tungsten Heavy Alloy Sphere boat Counterweight
Advantages of tungsten alloy sphere:

- High density up to 18.5 g/cm3.
- Up to 65% denser than Lead.
- Up to 130% denser than Steel.
- Mechanical properties to suit either dynamic or static locations.
- Weakly Ferro magnetic.
- Non-magnetic, if specifically required.
- Alternative to Lead.
- Non-Toxic.
- Corrosion resistant.
- Easily machined.
- Easily mechanically joined, brazed or shrunk fit to other materials.


Tungsten alloy sphere material Specification details:

Composition(%)90W7Ni3Fe93W4Ni3Fe95W3Ni2Fe97W2Ni1Fe
Density(g/cm3)17.1+/-0.1517.6+/-0.1518.1+/-0.1518.5+/-0.15
Tensile Strength(MPa)900-1000900-1000920-1100920-1100
Elongation(%)18-2916-2410-226-13
Hardness(HRC)24-2826-3027-3228-36


95WNiFe/WNiCu tungsten alloy sphere size & weight table

Diameter mmDenstity g/cm³Gram g
2180.075
2.5180.147
3180.254
3.5180.404
4180.603
4.5180.859
5181.178
5.5181.567
6182.035
6.5182.587
7183.231
7.5183.975
8184.824
8.5185.786
9186.868
9.5188.078
10189.421
121816.28