Xi'an Gemei Metal Material Co., Ltd.
Xi'an Gemei Metal Material Co., Ltd.

Molybdenum rods are cylindrical or rectangular bars made of metallic molybdenum (Mo) or molybdenum alloys, and are important high-performance engineering materials. As a critical strategic high-melting-point material, molybdenum rods serve as "high-performance core components" that underpin cutting-edge fields such as modern high-temperature industry, semiconductors, advanced manufacturing, and aerospace.

What is a Molybdenum Rod?

  • Ultra-high melting point: Approximately 2620°C, ranking among the highest melting points of common metals.


  • Excellent high-temperature strength: Retains considerable strength and hardness even at temperatures above 1000°C.


  • Good thermal and electrical conductivity: Its electrical conductivity is about one-third that of copper, with outstanding thermal conductivity.


  • Low coefficient of thermal expansion: Minimal dimensional change with temperature variation, ensuring excellent thermal stability.


  • Exceptional corrosion resistance: Resists erosion by various molten metals, acids and alkalis.


  • Certain machinability: Can be formed through processes such as forging, rolling and grinding.


  • Material classification:

    Pure molybdenum rods: High purity (usually ≥99.95%), with the widest range of applications.

    Molybdenum alloy rods: Such as Mo-La (lanthanum-molybdenum), Mo-Zr (zirconium-molybdenum), TZM (titanium-zirconium-molybdenum), etc. Alloying can further improve the recrystallization temperature, high-temperature strength and toughness.

Molybdenum Rod Types

Applications of Molybdenum Rod

High-temperature Furnaces

  • Core Components of High-temperature Furnaces: Used as heating elements, heat shields, racks (boats) and connecting rods in sintering furnaces and reduction furnaces, withstanding high temperatures directly.

  • Glass and Ceramic Industry: Employed as melting electrodes and stirring rods, thanks to their non-contaminating property to melts and corrosion resistance to molten glass.

  • Single Crystal Growth: Applied as heaters and crucible supports in the growth furnaces for sapphire and monocrystalline silicon.


Semiconductor and Photovoltaic Industry

  • Silicon Crystal Growth: Used as heaters and thermal field shielding components in the Czochralski method (CZ method).

  • Ion Implantation: Serves as the material for key components of high-energy ion implanters.


Electrical Discharge Machining (EDM)

  • High-performance Electrodes: Used for machining high-hardness, complex-shaped die steel workpieces, featuring low wear and high precision.


Metal Processing and Additive Manufacturing

  • Hot Isostatic Pressing (HIP) and Hot Press Sintering Dies: Used for manufacturing powder metallurgy products such as cemented carbide and ceramics.

  • 3D Printing (SLM): Serves as feedstock rods of pure molybdenum or molybdenum alloys for additive manufacturing.


Aerospace and Defense

  • Prototype or test components for rocket engine nozzles and high-temperature structural parts.

  • Candidate material for high-temperature components such as wing leading edges.


Medical Devices

  • Substrate material for rotating anode targets in equipment such as CT scanners and X-ray tubes (often used in combination with tungsten)


Alloy Additives

  • Used as a molybdenum additive in steelmaking (e.g., high-speed steel, stainless steel)


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