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Many of the alloys that Corrotherm supplies list molybdenum among their top composite elements, but what is this wonder metal and why is it commonly used?
Each alloy in Corrotherm&#;s selection of available Grades is a carefully balanced blend of high-quality metals that combine together to give the final material useful properties for a range of demanding industries.
Molybdenum is one of these essential additions. It&#;s a chemical element that has a long history; it was officially discovered as an element in its own right in , and isolated in . It is not a naturally occurring free metal, but in its free metal state it has the sixth-highest melting point of any element. For this reason, its earliest practical application was in incandescent lamps, where its ability to remain stable at higher temperatures made it the perfect choice.
It readily forms carbides in alloys, which is what has made it such a popular material to be added into high-strength alloys and superalloys. In fact, this accounts for the majority (more than 80%) of the production of the metal around the world.
Properties of molybdenum
Molybdenum has some attractive properties, notably excellent strength and mechanical stability. It retains those credentials at extremely high temperatures, and it is both ductile and tough.
These are the main reasons that is has been incorporated into so many industry alloys, but there are other key factors too. For example, it has high thermal and electrical conductivity, coupled with strong bonding with glass, which means that it is still used in lighting, just as it was in the early 20th Century.
It can also offer corrosion resistance in some alloys, for example in INCONEL alloy 27-7MO. This super-austenitic stainless steel has a high-percentage of molybdenum (around 7.2%) and this, along with nickel and chromium, offers high resistance to seawater and brine. The molybdenum content also gives resistance to reducing acids.
Molybdenum alloys are employed across a wide range of different applications including electrical and electronic devices, aerospace components, high-temperature furnaces and processing equipment.
Alloys with molybdenum
Here at Corrotherm, we have plenty of alloys that include molybdenum in their makeup. INCONEL alloy 625 has a high percentage of molybdenum, around 8-10%. Molybdenum helps to contribute to the high strength that the alloy offers, as well as superior resistance to a wide range of severe, corrosive environments.
If an exceptionally high-strength alloy is required, then INCONEL alloy 725 offers broadly the same corrosion resistance as INCONEL alloy 625, but this nickel, chromium, molybdenum and niobium blend is age hardenable to give a strength approximately twice that of annealed INCONEL alloy 625.
One of the highest levels of molybdenum in the alloys that we supply can be found in INCONEL alloy C-276, making up approximately 15-17%. This enhanced content gives the superalloy resistance to localised corrosion, such as pitting. It also helps to make the alloy resistant to sour environments, even at high temperatures.
To see more alloys that use molybdenum, please visit out Grades page. To discuss your requirements, contact a member of our Sales team.
At Special Metals Fabrication, we produce and supply a range of refractory metals &#; materials that are expertly manufactured to be highly resistant to heat, wear and other destructive forces.
The metals we stock include tungsten, tantalum, niobium, zirconium, titanium and molybdenum.
In this article, we look at a few of the properties and uses of the final metal in that list &#; Molybdenum. What are its most popular applications, and why is it especially suited to these particular purposes?
Properties of Molybdenum
Molybdenum has the chemical symbol (Mo) and the atomic number 42. It&#;s a transition metal in Group 6 of the periodic table of elements.
For more information, please visit Molybdenum Powder Uses.
The metal is found oxidised in various minerals and is often a by-product of copper or tungsten mining, which must then be isolated in order to function as a pure material.
One of the benefits of molybdenum is its exceptionally high melting point: degrees celsius. That&#;s higher than the melting point of titanium, niobium or zirconium.
It is also exceptionally hard &#; sitting at 5.5 on the Mohs scale or MPa. The only harder metals we offer are tungsten, titanium and niobium.
The metal offers high thermal conductivity, as well as a corrosion resistance to glass and other metals, which makes it extremely versatile and useful for a range of applications.
Uses of Molybdenum
Thanks to its high melting point, Molybdenum is regularly used to make items such as sintering trays or boats, plasma spraying nozzles and furnace components.
Its high conductivity levels lend it to charge carrying applications, or use in the fabrication of electrodes and sputtering targets.
Because it is extremely hard and not easily corroded, the metal is also popular for the manufacture of aerospace parts, medical parts, and glass stirrers.
How to Acquire Molybdenum
You can purchase Molybdenum from Special Metals Fabrication in rod, bar, furnace, plate, or sheet form. Our team of specialists can also create customised parts and fittings for you, depending on your precise specifications.
We can also fabricate products from Molybdenum TZM &#; an extra-strong alloy of Titanium, Zirconium, and Molybdenum.
To discuss your requirements with us today, simply make an enquiry by filling in our straightforward online contact form.
We&#;ll be more than happy to talk to you about the Molybdenum products you need for any project &#; and we&#;ll make sure you receive the metal in the right amount, form, or component design according to the information you give us.
We can offer next day delivery on many machined parts, welded products, or stock items. If you are looking for a particularly specialist product, please don&#;t hesitate to call our team on or , or to discuss what you need.
Special Metals Fabrication can also produce and treat components made from tungsten, tantalum, niobium, zirconium, titanium, or produce rods, bars, sheets, or other forms of pure refractory metal.
We also offer aqua blasting and bead blasting, product fabrication, and wrought product services. Contact us for a quote today.
Posted on: May 12,
The company is the world’s best Molybdenum Rod supplier. We are your one-stop shop for all needs. Our staff are highly-specialized and will help you find the product you need.