Functional & Fine Iron Powders
Explore 14 grades across diamond catalyst, diamond-tool prealloy, soft magnetic and surface repair powders. Compare their chemistry and listed powder properties, or share a specific requirement for ultra-fine and carbonyl iron powder.

Compare the specified functional grades and share your application, trial quantity and delivery requirements.
Match the powder to its function.
Catalyst chemistry, diamond-tool matrices, soft magnetic components and surface repair require different powder characteristics. Start with the application, then compare the relevant specifications.
For ultra-fine, micro-superfine or carbonyl iron powder, send the application, target distribution, morphology and purity. Grade and particle requirements are confirmed through enquiry.
Product specifications
Compare 14 grades by composition and powder properties. Select a grade to include it in your enquiry.
Product specification limits; actual batch results are provided in the shipment COA.
Bal. / Bal / Balance means the balance of the stated composition or size distribution. “Not specified” marks an empty or unlisted field. A dash (-) is retained from the specification and does not mean zero.
Scroll tables sideways to view all columns. The grade stays visible as you compare.
Diamond catalyst powders · 2 grades
The catalyst range includes Fe-Ni and Fe-Ni-Co compositions with a −500 mesh specification. Compare the nickel and cobalt requirements with your catalyst process; these grades form a separate family from the Fe-Cu prealloy powders for diamond tools.
| Grade | Fe | Ni | Co |
|---|---|---|---|
| LT FeNi30 | 69.0-71.0 | 29.0-31.0 | - |
| LT FeNi29Co1 | 68.0-70.0 | 28.0-30.0 | 1.0-2.0 |
| Grade | Particle size (mesh) | Apparent density (g/cm³) |
|---|---|---|
| LT FeNi30 | -500 | 3.0-3.7 |
| LT FeNi29Co1 | -500 | 3.0-3.7 |
Diamond-tool prealloy powders · 2 grades
The two Fe-Cu prealloy grades differ in copper content while sharing the listed oxygen, particle-size and apparent-density limits. Use the composition and D50 range to begin a diamond-tool matrix review, then confirm compatibility with your sintering process.
Soft magnetic powders · 4 grades
All four Fe-Si grades are gas atomized; their silicon ranges distinguish the available compositions. Compare chemistry, −200 mesh size, apparent density and flow, then state your forming, heat-treatment and magnetic acceptance requirements for application review.
| Grade | C | Si | Mn | O | Fe |
|---|---|---|---|---|---|
| LQ FeSi1.5 | ≤0.02 | 1.0-1.5 | ≤0.07 | ≤0.04 | Bal. |
| LQ FeSi4.5 | ≤0.02 | 4.0-5.0 | ≤0.07 | ≤0.04 | Bal. |
| LQ FeSi5.5 | ≤0.02 | 5.0-6.0 | ≤0.07 | ≤0.04 | Bal. |
| LQ FeSi6.5 | ≤0.02 | 6.0-7.0 | ≤0.07 | ≤0.04 | Bal. |
| Grade | Particle size (mesh) | Apparent density (g/cm³) | Flow rate (sec/50 g) |
|---|---|---|---|
| LQ FeSi1.5 | -200 | ≥4.6 | ≤20 |
| LQ FeSi4.5 | -200 | ≥4.6 | ≤20 |
| LQ FeSi5.5 | -200 | ≥4.6 | ≤20 |
| LQ FeSi6.5 | -200 | ≥4.6 | ≤20 |
Surface repair and coating powders · 6 grades
LQ316L and LQFe304 are listed as base-layer powders for laser cladding; LQFe45, LQFe50 and LQFe55 are listed for laser cladding. LQFe60 also lists plasma surfacing, so start with the deposition process and substrate before comparing the chemistry. Include your required particle window and coating acceptance method in the enquiry.
| Grade | Fe | C | Cr | Ni | Mo |
|---|---|---|---|---|---|
| LQ316L | Balance | ≤0.03 | 16.0-18.0 | 10.0-14.0 | 2.0-3.0 |
| LQFe304 | Balance | ≤0.10 | 17.0-20.0 | 6.0-8.0 | - |
| LQFe45 | Balance | ≤0.12 | 17.0-20.0 | 4.0-5.0 | 1.0-1.5 |
| LQFe50 | Balance | 0.10-0.12 | 17.0-20.0 | 3.0-4.0 | 1.0-1.5 |
| LQFe55 | Balance | 0.16-0.20 | 17.0-20.0 | 2.0-3.0 | 1.0-1.5 |
| LQFe60 | Balance | 0.8-1.2 | 10.0-14.0 | 2.0-3.0 | 2.0-3.0 |
| Grade | S | P | Si | Mn | O | Others |
|---|---|---|---|---|---|---|
| LQ316L | ≤0.05 | ≤0.05 | 0.8-1.0 | 1.5-2.0 | ≤0.04 | ≤2.0 |
| LQFe304 | ≤0.05 | ≤0.05 | 0.8-1.0 | 0.5-1.0 | ≤0.04 | ≤2.0 |
| LQFe45 | ≤0.05 | ≤0.05 | 0.8-1.0 | ≤0.4 | ≤0.04 | ≤2.0 |
| LQFe50 | ≤0.05 | ≤0.05 | 0.8-1.0 | ≤0.4 | ≤0.04 | ≤2.0 |
| LQFe55 | ≤0.05 | ≤0.05 | 0.8-1.0 | ≤0.4 | ≤0.04 | ≤2.0 |
| LQFe60 | ≤0.05 | ≤0.05 | 0.8-1.0 | ≤0.4 | ≤0.04 | ≤8.0 |
| Grade | Application |
|---|---|
| LQ316L | Base-layer powder for laser cladding |
| LQFe304 | Base-layer powder for laser cladding |
| LQFe45 | Laser cladding |
| LQFe50 | Laser cladding |
| LQFe55 | Laser cladding |
| LQFe60 | Laser cladding; plasma surfacing |
Discuss custom production requirements with the technical team, including composition, particle size and the intended process.
Select the process for the powder function.
Functional powders cover different chemistries and applications. The catalogue does not assign one universal manufacturing flow to every functional or fine-powder grade.
Grade and application review
These are qualification steps, not a manufacturing process diagram.
- Define the intended function and application.
- Agree chemistry, particle profile and other material requirements.
- Confirm the production route for the selected grade.
- Agree trial conditions, acceptance criteria and batch evidence.
Explore the documented production routes
Agree the specification and application test.
Use the listed chemistry and powder properties to shortlist a grade, then agree the application test and acceptance requirements. Actual batch results are provided in the shipment COA.

Describe the function, process and test.
Select a listed grade or send your target specification with the evaluation method. Include your application, trial quantity and any process constraints.
- Purchasing receives
- Route status, trial scope and quotation inputs
- Technical receives
- Powder specification and application test path
- Response commitment
- Initial technical response within 24 hours
Continue to the enquiry form.
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Product family: Functional / Fine Iron Powder
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