Melting point of tungsten is 3410℃, boiling point is 5900℃, it evaporates slowly under high temperature, has low thermal expansion coefficient, high hardness, high density, good electric emission property. Tungsten is regarded as teeth of industry, it has wide application in industrial field, such as mine, metallurgy, machining, construction, transportation, electricity, chemistry, light industry, textile, military, aviation, technology.
http://news.chinatungsten.com/en/tungsten-information/94908-ti-12211
