Tungsten Alloy Counterweight Brief IntroductionⅡ

Lead is a toxic substance that been recorded in most books of all known toxic substances. Ancient books have recorded that using lead pipes to transport drinking water would be dangerous. However, there are still many ways for people to contact with lead, such as the lead in petroleum products, the lead in painting pigment, particularly carbide insert for some old painting trademarks, the lead content is higher, and had caused many deaths. Therefore, some countries, particularly formulate the environmental standards that the lead content of painting pigments should be controlled within 600PPM. Compared to this, tungsten alloy is non-toxic pollution, and has a high density, high melting point, high hardness, high wear resistance, high ultimate tensile strength, high elongation, good machinability, high impact resistance and crack resistance and some other characteristics, therefore tungsten alloy counterweight can be widely used in various fields.