Molybdenum Powder
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Molybdenum Powder
| Product | Molybdenum  Powder |
| CAS No. | 7439-98-7 |
| Appearance | Dark Gray or Black Powder |
| Purity | ≥99%,  ≥99.9%,  ≥95%(Other purities are also available) |
| APS | 1-5 µM, 10-53 µM  (Can be customized),  Ask for other available size range. |
| Ingredient | Mo |
| Density | 10.2g/cm3 |
| Molecular Weight | 94.95g/mol |
| Product Codes | NCZ-DCY-331/25 |
Molybdenum Description:
Molybdenum Powder is one of the numerous advanced ceramic materials manufactured by Nanochemazone. Nanochemazone produces too many standard grades when applicable, including Mil Spec (military grade); ACS, Reagent and Technical Grade; Food, Agricultural and Pharmaceutical Grade; Optical Grade, USP and EP/BP (European Pharmacopoeia/British Pharmacopoeia) and follows applicable ASTM testing standards. Typical and custom packaging is available. Additional technical, research and safety (MSDS) information are available. Please request a quote above for more information on lead time and pricing.
Molybdenum Powder Related Information :
Storage Conditions:
Airtight sealed, avoid light and keep dry at room temperature.
Please contact us for customization and price inquiry
Email: contact@nanochemazone.com
Note: We supply different size ranges of Nano and micron as per the client’s requirements and also accept customization in various parameters.
Molybdenum Powder
Molybdenum powder is a refractory metal powder made from molybdenum metal. It offers high temperature strength, corrosion resistance, thermal conductivity, and lubricity.
Molybdenum is a silvery-white refractory transition metal with very high melting point, excellent corrosion resistance, and good thermal/electrical conductivity. In powder form, it exhibits high strength at elevated temperatures along with stability in harsh environments.
Key properties of molybdenum powder include:
High temperature strength and creep resistance
Excellent corrosion resistance
Good thermal and electrical conductivity
Low thermal expansion coefficient
High hardness and wear resistance
Good lubricity in sulfide atmospheres
Available in various particle size distributions
Molybdenum powder is used where its heat resistance, corrosion resistance, conductivity, and lubricity can be utilized. Major applications include alloying, electronics, coatings, welding, and specialty metals fabrication.
Composition of Molybdenum Powder
Molybdenum powder has the following typical composition:
| Element | Purity |
| Molybdenum (Mo) | 99% min |
| Oxygen (O) | 0.01-0.5% |
| Carbon (C) | 0.01-0.1% |
| Iron (Fe) | 0.2-2% |
| Copper (Cu) | 0.1-0.5% |
| Silicon (Si) | 0.05-1% |
| Tungsten (W) | 0.1-1% |
| Sulfur (S) | 0.01-0.1% |
High purity grades contain over 99% molybdenum with low impurity levels. Commercial powders have higher permissible impurities.
Properties of Molybdenum Powder
Molybdenum powder exhibits the following properties:
| Property | Value |
| Density | 10.22 g/cm3 |
| Melting Point | 2623°C |
| Thermal Conductivity | 138 W/m∙K |
| Electrical Resistivity | 5.5 μΩ∙cm |
| Young’s Modulus | 324 GPa |
| Poisson’s Ratio | 0.31 |
| Tensile Strength | 350 MPa |
| Yield Strength | 220 MPa |
| Elongation | 20% |
| Vickers Hardness | 200 HV |
Molybdenum offers very high melting point, strength at elevated temperatures, good thermal/electrical conductivity, and low thermal expansion.
Production Methods for Molybdenum Powder
Molybdenum powder can be produced by methods like:
Hydrogen Reduction – Molybdenum trioxide reduced with hydrogen gas to produce molybdenum powder.
Thermal Decomposition – Heating molybdenum compounds like ammonium molybdate to form molybdenum oxide followed by hydrogen reduction.
Electrolytic Production – Aqueous electrowinning from acidic molybdate solutions produces molybdenum powder deposit.
Calciothermic Reduction – Reduction of molybdenum trioxide using calcium.
Hydrogen reduction is a common industrial method. The powder morphology, size and purity can be controlled.
Applications of Molybdenum Powder
Molybdenum powder has the following major applications:
Alloying Addition – Added to stainless steels, nickel alloys, tool steels to enhance properties.
Metal Coatings & Spraying – Thermal spray coatings, plating processes use molybdenum for wear/corrosion resistance.
Electronics & Contacts – Used in circuitry, vacuum tubes, cathode ray tubes and electrical contacts.
Welding – As filler material for stainless, high-nickel and refractory metal welding.
Lubricants – Added to greases and oils to provide lubrication in high temperature sulfide environments.
Pyrotechnics – Combined with other powders for pyrotechnic delay compositions requiring controlled burn rates.
Specifications of Molybdenum Powder
Molybdenum powder is available under various specifications:
Purity Grades – From commercial purity to 99.999% ultra high purity grades.
Particle Sizes – Ranging from 1 micron to 150 microns for different applications.
Morphology – Irregular, spherical and nodular powder shapes are available.
Surface Area – Low to high surface area powder grades.
Oxygen Content – High purity, low oxygen powders for specialty applications.
Storage and Handling of Molybdenum Powder
Molybdenum powder requires controlled storage and handling:
Prevent exposure to air and moisture to minimize oxidation.
Avoid dust accumulation and ignition hazards from fine powders.
Use appropriate ventilation and respiratory protection when handling.
Follow precautions in Safety Data Sheet from supplier.
Store sealed containers in a cool, dry place away from incompatibles.
Proper grounding, inert gas blanketing, PPE should be used when handling molybdenum powder.
Inspection and Testing of Molybdenum Powder
Typical inspections and tests carried out on molybdenum powder:
Chemical Analysis – ICP and XRF techniques used to verify composition meets specifications.
Particle Size – Laser diffraction analysis as per ASTM B822 standard.
Morphology – SEM imaging used to determine particle shape and surface area.
Specific Surface Area – BET gas absorption method used.
Impurity Testing – ICP-MS used to quantify levels of oxygen, iron, copper, tungsten and other impurities.
Powder Flow – Tested as per ASTM B213 standard using Hall flowmeter.
Comparison of Molybdenum and Tungsten Powders
Molybdenum and tungsten powders are two refractory metal powders compared:
| Parameter | Molybdenum | Tungsten |
| Density | 10.22 g/cm3 | 19.3 g/cm3 |
| Melting Point | 2623°C | 3422°C |
| Tensile Strength | 350 MPa | 350 MPa |
| Thermal Conductivity | 138 W/mK | 163 W/mK |
| Electrical Resistivity | 5.5 μΩ.cm | 5.5 μΩ.cm |
| Cost | Lower | Higher |
| Toxicity | Lower | Higher |
Molybdenum has lower density, melting point, and cost but offers similarly high strength and conductivity as tungsten.
Molybdenum Powder FAQs
Q: How is molybdenum powder produced?
A: Common industrial production methods for molybdenum powder include hydrogen reduction of molybdenum trioxide and thermal decomposition of molybdates followed by reduction.
Q: What is molybdenum powder used for?
A: Major applications of molybdenum powder include alloying, thermal spray coatings, electronics, welding, lubricants, pyrotechnics, and as a pure metal.
Q: What powder size is used for thermal spray coatings?
A: For most thermal spray processes, molybdenum powder is typically used in size ranges of 45-150 microns. Finer powder can be challenging to fully melt.
Q: Is molybdenum powder flammable or explosive?
A: Yes, like other finely divided metals, molybdenum powder can potentially be flammable or explosive. Proper precautions are needed for safe handling and storage.
Q: Where can I purchase high purity molybdenum powder?
A: Ultra high purity (99.999%) molybdenum powder can be purchased from major supplier
Description
Note: For pricing & ordering information, please get in touch with us at sales@nanochemazone.com
Please contact us for quotes on Larger Quantities and customization. E-mail: contact@nanochemazone.com
Customization:
If you are planning to order large quantities for your industrial and academic needs, please note that customization of parameters (such as size, length, purity, functionalities, etc.) is available upon request.
NOTE:
Images, pictures, colors, particle sizes, purity, packing, descriptions, and specifications for the real and actual goods may differ. These are only used on the website for the purposes of reference, advertising, and portrayal. Please contact us via email at sales@nanochemazone.com or by phone at (+1 780 612 4177) if you have anyÂ
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| Product | Niobium Powder |
| CAS No. | 7440-03-1 |
| Appearance | Dark Gray Powder |
| Purity | ≥99%,  ≥99.9%,  ≥95%(Other purities are also available) |
| APS | 1-5 µM, 10-53 µM  (Can be customized),  Ask for other available size range. |
| Ingredient | Nb |
| Density | 8.57g/cm3 |
| Molecular Weight | 92.91g/mol |
| Product Codes | NCZ-DCY-332/25 |
Niobium Description:
Niobium Powder is one of the numerous advanced ceramic materials manufactured by Nanochemazone. Nanochemazone produces too many standard grades when applicable, including Mil Spec (military grade); ACS, Reagent and Technical Grade; Food, Agricultural and Pharmaceutical Grade; Optical Grade, USP and EP/BP (European Pharmacopoeia/British Pharmacopoeia) and follows applicable ASTM testing standards. Typical and custom packaging is available. Additional technical, research and safety (MSDS) information are available. Please request a quote above for more information on lead time and pricing.Niobium Powder Related Information :
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| Niobium (Nb) | 99% min |
| Tantalum (Ta) | 0.5% max |
| Hafnium (Hf) | 0.01% max |
| Nitrogen (N) | 0.03% max |
| Carbon (C) | 0.05% max |
| Oxygen (O) | 0.1-0.2% |
| Hydrogen (H) | 0.0015% max |
| Property | Value |
| Density | 8.57 g/cm3 |
| Melting Point | 2477°C |
| Thermal Conductivity | 53 W/m∙K |
| Electrical Resistivity | 15 μΩ∙cm |
| Young’s Modulus | 105 GPa |
| Poisson’s Ratio | 0.40 |
| Tensile Strength | 550 MPa |
| Compressive Strength | 200 MPa |
| Vickers Hardness | 600 HV |
| Parameter | Niobium Powder | Tantalum Powder |
| Density | 8.57 g/cm3 | 16.6 g/cm3 |
| Melting Point | 2477°C | 2996°C |
| Electrical resistivity | 15 μΩ.cm | 13 μΩ.cm |
| Tensile strength | 550 MPa | 400 MPa |
| Oxidation resistance | Moderate | Better |
| Cost | Lower | Higher |
| Applications | Alloys, capacitors | Medical, electronics |
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Tungsten Powder
| Product | Tungsten Powder |
| CAS No. | 7440-33-7 |
| Appearance | Grey Powder |
| Purity | ≥99%,  ≥99.9%,  ≥95%(Other purities are also available) |
| APS | 1-5 µM, 10-53 µM  (Can be customized),  Ask for other available size range. |
| Ingredient | W |
| Density | 19.3g/cm3 |
| Molecular Weight | 183.85g/mol |
| Product Codes | NCZ-DCY-334/25 |
Tungsten Description:
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| 1 | 18Ni300 | Ni17-19, Mo4.5-5.2, Co8.5-9.5, Ti0.6-0.8, Al0.05-0.15，Fe(Bal.) |
| 2 | Hastelloy Alloy | Fe17-20, Cr20.5-23, Mo8-10, W0.2-1, Co0.5-2.5, C0.05-0.15, Ni (Bal.) |
| 3 | AlSi10Mg | Si9-11，Mg0.2-0.45，Al(Bal.) |
| 4 | CoCrW | Cr26.5-29, W7-9, Si1.2-1.9, Co (Bal.) |
| 5 | Co28Cr6Mo | Cr27-29, Mo5-7, Co (Bal.) |
| 6 | Spherical Ti Powder | Ti≥99.9 |
| 7 | TC4 | Al5.5-6.8, V3.5-4.5, Ti (Bal.) |
| 8 | TA15 | Al5.5-7.1, V0.8-2.5, Mo0.8-2，Zr1.5-2.5, Al (Bal.) |
| 9 | 316L | Cr16.00-18.00, Ni10.00-14.00, Mo2.00-3.00, Fe (Bal.) |
| 10 | S136 | Cr12.0-14.0, Si0.8-1.0, V0.15-0.4, C0.2-0.45, Fe (Bal.) |
| 11 | In625 | Cr20-23Mo8-10, Nb 3.15-4.15, Co≤1, Fe≤1, Ni (bal.) |
| 12 | In718 | Cr17-21, Mo2.8-3.3, Nb 4.75-5.5, Co≤1, Ni50-51, Fe (Bal.) |
| 13 | Spherica WC | C3.7-4.2, W (Bal.) |
| 14 | Spherical Cr Powder | Cr≥99.9 |
| 15 | Spherica Mo Powder | Mo≥99.9 |
| 16 | Spherica Ta Powder | Ta≥99.9 |
| 17 | Spherica W Powder | W≥99.9 |
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