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Ferro molybdenum ( Ferro moly ) is a remarkable alloy primarily composed of iron (Fe) and molybdenum (Mo). This high-performance alloy is produced by melting sources of iron and molybdenum, typically ferrosilicon and industrial-grade molybdenum oxide, together in a furnace. The resulting alloy generally contains molybdenum in the range of50% to 75%, making it a robust and reliable component for various industrial applications. Importantly, Ferromolybdenum is not classified as hazardous material for transportation.
Ferro molybdenum is extensively utilized as an essential additive in steelmaking and cast iron production. Adding this alloy significantly enhances the hardenability, strength, and corrosion resistance of the final metal products. The molybdenum content in the alloy empowers it to endure high temperatures, making it indispensable for industries like 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 metal thermal method.
The primary raw material for smelting ferro molybdenum is molybdenite (MoS2). Before smelting, molybdenum concentrate undergoes oxidative roasting in a multi-hearth furnace, resulting in roasted molybdenum concentrate with a remarkably low sulfur content of less than 0.07%.
The smelting of ferro molybdenum typically follows the external furnace method, employing a cylindrical furnace structure settled on a sand base and lined with robust clay bricks. The charge, consisting of ferrosilicon with 75% silicon content and a minimal amount of aluminum granules as a reducing agent, initiates smelting. The top ignition method employs igniters like saltpeter, aluminum shavings, or magnesium shavings, which spark vigorous combustion. This is followed by a calm period, slag tapping, and the removal of the furnace cylinder. The resulting ferro molybdenum ingots undergo initial cooling in a sand pit, subsequent water-cooling in a cooling chamber, and final crushing and refinement, achieving metal recovery rates between 92% and 99%. Recently, oxygen molybdenum briquettes have become a popular alternative in the steelmaking industry, replacing ferro molybdenum.
Ferromolybdenum is an indispensable additive in producing steel and corrosion-resistant alloys, significantly enhancing the material's properties.
Ferro molybdenum, an alloy of molybdenum and iron, primarily serves as a molybdenum additive in steelmaking. Its addition fosters a uniform, fine-grained structure, and boosts hardenability, effectively eliminating temper embrittlement. In high-speed steels, molybdenum can partially substitute tungsten. Combined with other alloying elements, molybdenum is extensively employed in stainless steel, heat-resistant steel, acid-resistant steel, and tool steel production. It also contributes to alloys with unique physical properties. Adding molybdenum to cast iron enhances its strength and wear resistance.
The predominant use of ferro molybdenum lies in the production of iron alloys, driven by its outstanding molybdenum content and versatile range. This remarkable additive is indispensable in manufacturing machine tools and equipment, military hardware, refinery oil pipes, load-bearing components, and rotary drills. Beyond this, its applications extend to automobiles, trucks, locomotives, ships, and more. Ferro molybdenum also plays a crucial role in producing stainless steel and heat-resistant steel, essential 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 significantly enhances 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.
In April, a significant rise in the price of stainless steel 316 ignited the enthusiasm of end buyers, leading to a surge in demand for ferro molybdenum. This heightened confidence has radiated upstream, with the price of molybdenum concentrate continuing to climb, driving up costs. Concurrently, ferro molybdenum factories, buoyed by ample orders, are reluctant to sell at lower prices. Consequently, the transaction price of ferro molybdenum is steadily rising, with the current bidding price nearing 220,000 yuan per ton. Spot transactions are sporadically occurring at 219,000 to 220,000 yuan per ton. Projections indicate a slight price increase next month, suggesting a bullish market trend.
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 any customer, offering both competitive prices and superior product quality. Should you require ferro molybdenum alloy, we warmly invite you to leave a message to connect with us and explore our high-quality offerings.
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