Ferro Molybdenum
Ferro molybdenum is a ferro alloycomposed of molybdenum and iron, generally containing 50-60% molybdenum, 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. Contact our ferroalloy company for ferro moly pricetoday!
Specification of Ferro Molybdenum
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FeMo composition (%) |
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Grade |
Mo |
Si |
S |
P |
C |
Cu |
|
FeMo70 |
65-75 |
2 |
||||
|
FeMo60-A |
60-65 |
1 |
||||
|
FeMo60-B |
60-65 |
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FeMo60-C |
60-65 |
2 |
1 |
|||
|
FeMo55-A |
55-60 |
1 |
||||
|
FeMo55-B |
55-60 |
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Application of Ferro Molybdenum
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, ferromolybdenum 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.
Production Process of Ferro Molybdenum
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.
Features of Ferro Molybdenum
Ferro molybdenum is an amorphous metal additive in the production process that has a variety of good properties that can be transferred to new alloys.
One of the main advantages of ferric molybdenum alloy is its hardening properties, so that steel welding is very strong, ferric molybdenum is one of the country's 5 high melting point metals.
In addition, the addition of ferric molybdenum alloys can improve corrosion resistance. The properties of ferric molybdenum make it an extra protective film over other metals and suitable for a variety of products.
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