What Are the Types and Uses of Molybdenum Rod?

What Are the Types and Uses of Molybdenum Rod?

Molybdenum rod has the advantages of corrosion resistance, high melting point, small deformation at high temperature, easy installation and maintenance, and good chemical stability. Therefore, molybdenum rods are widely used in all aspects of production and life. In this article, we'll take a look at the types and uses of the molybdenum rod.

Uses of Molybdenum Rod

The Types of Molybdenum Rod

--Common Types of Molybdenum Rods

According to the material of the molybdenum rod, it can be divided into pure molybdenum rod, high-temperature molybdenum rod (molybdenum lanthanum alloy rod), and TZM molybdenum rod.

Pure molybdenum rods refer to molybdenum rods with a molybdenum content greater than 99.95%. High-temperature molybdenum rods usually refer to molybdenum-lanthanum alloy rods, which contain 0.4-1.2% of lanthanum, and the molybdenum content is the balance except for impurities. Another type of molybdenum rod is the TZM molybdenum rod, which contains 0.4~0.6Ti, 0.07~0.12Zr, and 0.01~0.05C.

Types of Molybdenum Rods
Molybdenum rods are manufactured in different grades and alloys to meet a wide range of industrial requirements, particularly where high strength, thermal stability, and corrosion resistance are critical.

Pure Molybdenum Rods
These rods are composed of 99.95% or higher molybdenum content and are typically used in high-temperature environments such as vacuum furnaces, glass production, and semiconductor processing. They offer excellent strength, conductivity, and resistance to thermal expansion, making them suitable for general-purpose applications where purity and performance are essential.

TZM Alloy Rods (Titanium-Zirconium-Molybdenum)
TZM rods are a high-performance molybdenum alloy containing small amounts of titanium and zirconium, which significantly enhance the material’s strength, especially at elevated temperatures. These rods exhibit superior creep resistance, hardness, and stability, making them ideal for structural applications in aerospace, defense, and high-stress industrial environments like die-casting or forging.

Mo-La Rods (Molybdenum-Lanthanum)
Mo-La rods are doped with lanthanum oxide to improve recrystallization temperature and ductility. They offer excellent formability, better weldability, and prolonged service life in extreme environments. These properties make Mo-La rods well-suited for applications such as X-ray tube components, high-temperature heating elements, and parts in nuclear and energy systems where material fatigue and brittleness are concerns.

--Other Classifications

According to the surface state of the molybdenum rod, it can be divided into the sintered molybdenum rod, forged molybdenum rod, and polished molybdenum rod.

The surface of the sintered molybdenum rod has a silver-gray metallic luster. The forged molybdenum rod has a layer of oxide on the surface, and the surface is black. The polished molybdenum rod has a silver-gray metallic luster with a smooth surface and a small size error.

The Uses of Molybdenum Rod

Molybdenum rods are widely used in industrial production and our daily lives. The following are common applications of the molybdenum rods：

1. Used for manufacturing electric vacuum devices and electric light source parts.

2. Suitable for processing ion-implanted parts.

3. Used as parts for the high-temperature heater and high-temperature structure.

4. It is used as the electrode of the furnace in the glass and refractory fiber industry. It works in 1300℃ glass melt and has a long life.

5. It is used as an electrode in the rare earth industry. 

Molybdenum Rod Surface Oxide Removal Method

Molybdenum products are characterized by easy oxidation. If heavy oxides are to be removed, they should be treated with strong acids (fluoric, nitric, hydrochloric, etc.). If you need to remove mild oxides, you can use a cleaning agent with abrasives, wipe with a soft cloth or sponge, and then wash with warm water.

The Packaging of Molybdenum Rod 

Molybdenum rods shall be individually packed in PE pearl cotton and placed in suitable wooden cases. In addition, excess gaps must be filled to prevent vibration and damage to the product during transit.

Conclusion 

Thank you for reading our article, and we hope it can help you have a better understanding of the types and uses of molybdenum rods. If you want to find out more about the refractory metal molybdenum, we would like to recommend you to visit Advanced Refractory Metals for more information.

Headquartered in Lake Forest, California, USA, Advanced Refractory Metals (ARM) is a leading manufacturer & supplier of refractory metals throughout the whole world. It provides customers with high-quality refractory metals such as tungsten, molybdenum, tantalum, rhenium, titanium, and zirconium at a very competitive price.