... excellent thermal properties and is still easy to machine. So , tungsten, molybdenum and their alloy ... thermal expansion at 20 °C5.2 · 10-6 [m/(m·K)]Thermal conductivity at 20 ... , machinery processing, glass and ceramic industries, etc. 4. SMT’s advantage in furnace components1)Large size, ... furnace components3)Competitive price & professional service. 5.SMT’s contact information:Xi’an Htemps Metal ...