Carbonyl Iron Powder
Carbonyl iron powder is processed using carbon monoxide, Fe(CO)5 compound was heated (150-300℃) and decomposed into iron and carbon monoxide. This process involves forming the carbonyl compound first and then breaking it down to get pure iron particles which allows for very fine and pure iron powder and is better choice for applications requiring high purity.
The properties of carbonyl iron powder are related to its purity and particle size. Carbonyl iron powder has spherical shape leading to good flow characteristics and high density.
Carbonyl iron powder, since its high purity, might be used where impurities are a problem, like in magnetic materials for electronics or microwave absorbers. It is effective to absorb electromagnetic interference. It also can be used as an iron supplement because of its high purity and bioavailability.
Recently nanostructural carbonyl iron powders are developed for advanced applications, like in nanotechnology or improved EMI shielding materials.
Carbonyl iron powders, as other iron powders, it has higher purity than other iron powders and spherical morphology ideal for high-tech applications. Reduced iron powder has lower cost but irregular shapes, used in welding and metallurgy areas. Water atomized iron powder has larger particles, but also irregular shapes, commonly used in structural parts of PM area.
Morphology of Carbonyl Iron Powder
Chemical Composition (wt%)
| Item | Fe | C | O | N | D50 (um) |
|---|---|---|---|---|---|
| Fe-C-0102 | Bal | <0.9 | 0.8 | / | 1-2 |
| Fe-C-0304 | Bal | 0.6-0.9 | 0.35-0.65 | 0.6-0.9 | 3-4 |
| Fe-C-0406 | >99.5 | <0.03 | <0.3 | <0.01 | 4-6 |
| Fe-C-0409 | >99.0 | <0.1 | <0.3 | <0.01 | 4-9 |
| Fe-C-0912 | Bal | <1.4 | <0.4 | <1.4 | 9-12 |
| Fe-C-0912 | Bal | <0.1 | <0.4 | <0.1 | 9-12 |
| Fe-C-2025 | Bal | <1.4 | <0.4 | <1.4 | 20-25 |
| Fe-C-0912 | Bal | <0.1 | <0.4 | <0.1 | 20-25 |
We can customize carbonyl iron powder per customer requirements, such as Grade FeNi2, FeNi4, FeNi8, FeNi50, 4605, 100Cr6, 42CrMo4, 1045, 8600, 4340, 4140 etc by adding some other elements, Ni, Cr, Mo…. The percentage of carbon and oxygen, particle size can be adjusted as per customer requirements.
Detailed test data are reported in Certificate of Analysis for each order.
Packaging
TRUER powders are available in 1, 2, 5, 10 and 25kg packages, or required, packed by plastic bottle filled with inert gas or vacuum.
- Typical COA (Certificate of Analysis)
Spherical vs Irregular Metal Powders
Spherical vs Irregular Metal Powders: What You Need to Know? I often see buyers choose metal powder by price first. Later, they face poor flow, low density, or failed builds. I made the same mistake early on. Powder shape looks simple, but it decides everything downstream. Spherical and irregular metal
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LPBF Rene 125 -Optimizing HIP Temperature for Laser Powder Bed Fusion (LPBF) Superalloy Rene 125
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