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Ferro molybdenum ( Ferro moly ) is a high-performance alloy primarily composed of iron (Fe) and molybdenum (Mo). This crucial alloy is created by melting sources of iron and molybdenum, typically ferrosilicon and industrial-grade molybdenum oxide, in a furnace. The resultant alloy typically boasts a molybdenum content in the range of50% to 75%. Ferromolybdenum is not classified as a hazardous material for transportation, ensuring safe and compliant logistics.
Ferro molybdenum is a key additive in steelmaking and cast iron production, aimed at substantially boosting the hardenability, strength, and corrosion resistance of metal products. The molybdenum content significantly enhances the alloy's capacity to endure high temperatures, making it indispensable in industries such as automotive, construction, petroleum, and natural gas.
Brand | Chemical Compositions | |||||||
Mo | Si | S | P | C | Cu | Sb | Sn | |
Min% | Max % | |||||||
FeMo 70 | 65.0~75.0 | 1.5 | 0.1 | 0.05 | 0.1 | 0.5 | ||
FeMo60-A | 55.0~65.0 | 1 | 0.1 | 0.04 | 0.1 | 0.5 | 0.04 | 0.04 |
FeMo60-B | 55.0~65.0 | 1.5 | 0.1 | 0.05 | 0.1 | 0.5 | 0.05 | 0.06 |
FeMo60-C | 55.0~65.0 | 2 | 0.15 | 0.05 | 0.2 | 1 | 0.08 | 0.08 |
FeMo60 | >=60.0 | 2 | 0.1 | 0.05 | 0.15 | 0.05 | 0.04 | 0.04 |
FeMo55-A | >=55.0 | 1 | 0.1 | 0.08 | 0.2 | 0.5 | 0.05 | 0.06 |
FeMo55-B | >=55.0 | 1.5 | 0.15 | 0.1 | 0.25 | 1 | 0.08 | 0.08 |
Ferro molybdenum is typically smelted using the highly efficient metallothermic method.
The primary raw material for smelting ferro molybdenum is molybdenite (MoS2). Before smelting, molybdenum concentrate typically undergoes oxidative roasting in a multi-hearth furnace, producing roasted molybdenum concentrate with a sulfur content of less than 0.07%.
The smelting of ferro molybdenum typically employs a tried-and-true external furnace method. This cylindrical furnace, positioned on a sand base and lined with clay bricks, accommodates a charge composed of ferrosilicon containing 75% silicon, supplemented with a small amount of aluminum granules as a reducing agent. The smelting process begins with a top ignition technique: an igniter-such as saltpeter, aluminum shavings, or magnesium shavings-is applied to the charge's surface, initiating a vigorous ignition. Following this, the process includes a period of quiescence, slag tapping, and the removal of the furnace cylinder. The resulting ferro molybdenum ingots undergo initial cooling in a sand pit, followed by water cooling in a dedicated chamber, and are finally crushed and refined. Metal recovery rates are impressively high, ranging between 92% and 99%. In recent years, oxygen molybdenum briquettes have emerged as a popular alternative to ferro molybdenum within the steelmaking industry.
Ferromolybdenum stands as a vital additive in the manufacture of steel and corrosion-resistant alloys, indispensable for their enhanced quality and performance.
Ferro molybdenum, an alloy of molybdenum and iron, serves a pivotal role as a molybdenum additive in steelmaking. Its addition fosters a uniform fine-grained structure and enhances hardenability, effectively eliminating temper embrittlement. In high-speed steels, molybdenum can partially substitute for tungsten. When combined with other alloying elements, molybdenum is extensively employed in the production of stainless steel, heat-resistant steel, acid-resistant steel, and tool steel, as well as in alloys with special physical properties. Moreover, incorporating molybdenum into cast iron significantly boosts its strength and wear resistance.
The predominant use of ferro molybdenum lies in the production of iron alloys, driven by its critical molybdenum content and versatile range. This indispensable additive is crucial for crafting specialized machine tools and equipment, military hardware, and refinery oil pipes. It enhances load-bearing components and rotary drills, and finds extensive applications in the automotive, trucking, locomotive, and maritime industries. Moreover, ferro molybdenum is vital in producing stainless steel and heat-resistant steel, which are essential materials for synthetic fuel and chemical plants, heat exchangers, generators, refinery equipment, pumps, turbine pipes, ship propellers, and storage containers for plastics and acids. In tool steels, a high proportion of ferro molybdenum elevates performance in high-speed machining parts, cold-working tools, drills, screwdrivers, molds, chisels, heavy castings, balls and rolling mills, rollers, cylinder blocks, and piston rings. This versatile material ensures superior quality and durability across a broad spectrum of industrial applications.
In April, a significant rise in the price of stainless steel 316 ignited the enthusiasm of end buyers, resulting in a surge in demand for ferro molybdenum. This boost in market confidence has been transmitted upstream, with the price of molybdenum concentrate continuing to climb, consequently driving up costs. Simultaneously, ferro molybdenum factories, supported by a high volume of orders, are reluctant to lower their prices. As a result, the transaction price of ferro molybdenum is steadily rising, with the current bidding price nearing 220,000 yuan per ton. Spot transactions are occurring sporadically at 219,000 to 220,000 yuan per ton. Projections for next month indicate a slight increase in price, reflecting the strong market demand and limited supply.
HongshunSpecializing in the production of ferro molybdenum, Hongshun stands as a premier supplier of ferroalloy materials. Our robust supply capacity ensures we meet the diverse needs of our customers, offering both competitive prices and superior product quality. If you require ferro molybdenum alloy, we invite you to leave a message and connect with us. Hongshun's commitment to excellence guarantees that you receive the best products and services in the industry.