Molybdenum Metal Powder
High-purity molybdenum for demanding alloying and powder metallurgy applications.
Molybdenum metal powder is used where ferro molybdenum would bring too much iron: in powder metallurgy blends with a specified chemistry, in diamond tool bonds, and in high-performance alloy production.
It is a high-value material, so we supply it in the pack sizes and size ranges that suit your batch quantities rather than a fixed standard.
Forms & grades supplied
- High-purity powder
- Screened to your agreed size range
Industries served
Ask us for
- Chemical specification and test certificate
- Particle size / mesh range
- Packing options and lead time
- A sample for trial
Standard grades
The grades below are the standard specifications this material is traded to. We supply against your specification — tell us the grade and we will confirm what we can hold.
| Grade | Mo | C | S | P | Si | Fe |
|---|---|---|---|---|---|---|
| High purity | 99.95 min | 0.03 max | 0.02 max | 0.02 max | — | — |
| Standard | 99.50 min | 0.030 max | 0.030 max | 0.030 max | 0.030 max | 0.030 max |
Scroll the table sideways to see every column
Molybdenum is added for hardenability and elevated-temperature strength. Because it is among the most expensive additions in a coating formulation, assay tolerance matters commercially as well as metallurgically.
Please note. These are indicative industry-standard ranges shown for guidance. Where a grade name encodes a nominal sieve or density, that is what the designation means in the trade — the size range actually supplied, and the packing, are set to your requirement and confirmed on your order. The binding specification for any order is the one on your purchase order and the test certificate supplied with the consignment — see how we test and certify a lot. Ask us for a datasheet for the exact grade you need.
Mesh and micron
Size is specified separately from chemistry, and it is usually the figure that decides whether a powder works in your process. We grind and screen to the range on your order — tell us the mesh you need.
What a mesh number means
Mesh counts the openings per linear inch of the test sieve, so a higher number is a finer powder. “−100 mesh” means the material passes a 100 mesh sieve — nominally 150 micron. These apertures are the published ASTM E11 / ISO 3310-1 standard.
- 20 mesh
- 850 µm
- 30 mesh
- 600 µm
- 40 mesh
- 425 µm
- 50 mesh
- 300 µm
- 60 mesh
- 250 µm
- 80 mesh
- 180 µm
- 100 mesh
- 150 µm
- 120 mesh
- 125 µm
- 140 mesh
- 106 µm
- 170 mesh
- 90 µm
- 200 mesh
- 75 µm
- 230 mesh
- 63 µm
- 270 mesh
- 53 µm
- 325 mesh
- 45 µm
- 400 mesh
- 38 µm
Where each band is used
General guidance on the ranges these industries work in, useful if you are specifying a powder for the first time. It describes the trade, not our production.
| Application | Typical band | Why |
|---|---|---|
| Welding electrode coatings and flux | 20 – 100 mesh | Coarser powders, blended into the coating slurry. |
| Powder metallurgy — pressing and sintering | 60 – 200 mesh | Iron and copper powders for pressed parts; apparent density matters as much as size. |
| Thermal spray and hardfacing | 100 – 325 mesh | Tighter distributions, since feed behaviour depends on it. |
| Metal injection moulding and additive | 170 – 400 mesh | The finest bands, with close control of the distribution at both ends. |
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Our standard range for Molybdenum Metal Powder: to be confirmed — ask us and we will confirm what we hold and what we can grind to.
A note on the figures above. The sieve apertures are an exact published standard. The application bands are general industry guidance and are not a statement of what we supply — our own standard range is the line marked above, and it is confirmed against your order rather than read off a chart. Ask us for the size range you need.
Where Molybdenum Metal Powder is used
- Powder metallurgy and metal injection moulding
- Diamond tool bonds
- High-performance alloy production
- Specialised welding consumables
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