Ferro Molybdenum

Ferro molybdenum is a ferroalloy composed of molybdenum and iron, generally containing 50-60% molybdenum, with a high ferro molybdenum melting point, and is used as an alloy additive for steelmaking. Its main use is as an addition of molybdenum in steelmaking. Adding molybdenum to the steel can make the steel have a uniform fine-grained structure, and improve the hardenability of the steel, which is beneficial to eliminate temper brittleness.

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Ferro Molybdenum Uses

Ferro molybdenum is an alloy of iron and molybdenum, and it is primarily used as an additive in the production of steel and other alloys.

The biggest application of ferromolybdenum lies in the production of ferroalloys according to the content and range of molybdenum. It is suitable for machine tools and equipment, military equipment, oil refinery oil pipes, load-bearing parts and rotary maneuvers.

As one of the types of refractory metals, Ferromolybdenum is also used in cars, trucks, locomotives, ships, etc.

In addition, ferro molybdenum is used in stainless steel and heat-resistant steel is employed by synthetic fuel and chemical plants, heat exchangers, generators, refinery equipment, pumps, turbine tubes, ship propellers, plastic and acid storage vessels.

Tool steels have a high proportion of ferromolybdenum in the range and are used for high speed machining parts, cold work tools, drills, screwdrivers, dies, chisels, heavy castings, balls and drills for rolling mills, rolls, cylinder blocks, piston rings.

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Ferro Molybdenum Uses

Ferro Molybdenum Manufacturing Process

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Ferro Molybdenum Manufacturing Process

The main raw material of ferro molybdenum smelting is molybdenite (MoS2). Molybdenum concentrate is usually roasted by multi-chamber furnace before smelting to obtain roasted molybdenum ore with sulfur content less than 0.07%. Ferric molybdenum smelting generally adopts the out - furnace method. The furnace is a cylinder placed on a sand base, lined with clay bricks, and used as reducing agent ferrosilicon 75% silicon and a small amount of aluminum granules. After the charge is added to the barrel once, it is smelted by the upper ignition method. An initiator (saltpeter, aluminum shavings or MAGNESIUM shavings) is applied to the material surface. After ignition, there is a fierce reaction, followed by sedation, slag discharge and tube removal. Ferromolybdenum ingot is first cooled in the sand nest, then sent to the cooling room for flushing and cooling, and finally broken and refined. The metal recovery was 92~99%.

Molybdenum oxide block is widely used to replace ferric molybdenum in steel making industry in recent years.