What is tungsten alloy crank?

Crank, is part of an engine, it is converted into a linear reciprocating motion of the piston to rotate.
Crankshaft how to run?
A piston rod connected to the crankshaft and the bearing, when the piston moves up and down, crank operation, rod and bearing a circular motion, then began to spin the crankshaft.
Advantages of tungsten alloy square bar
In the engine, it is necessary to keep the use of the counterweight reciprocates each piston connecting rod and balance, and these are usually as part of the crankshaft. Lead is cheap, but lower than the density of high density Tungsten alloy Balls, and not environmental protection, but for steel, tungsten alloy density is more than twice that, so compared with other materials, because of the following characteristics, Tungsten based heavy metal alloys is certainly the most suitable material:
* Small size, density
* High hardness
* High wear
* Anti-corrosion and strong
* Against strong
* High melting point
* High temperature
* Environmental