Beryllium Powder
Beryllium powder (Be) supplied in 99% · 99.5% · 99.8% grades, micron range, in spherical or irregular form. Used for aerospace structures, X-ray windows, beryllium-copper alloys, nuclear applications. Small quantities, prototypes and custom made-to-order specifications are welcome.
99–99.8%Purity Grades
MicronParticle Size Range
Custom Made-to-OrderGrade, Size & Quantity
WorldwideExport Shipping
Beryllium Powder — Grades & Specifications
Beryllium (Be) powder is supplied across a range of grades, particle sizes and morphologies. The options below are typical; specify your target values in the request form and we will confirm availability, lead time and pricing.
| Material | Beryllium |
|---|---|
| Element symbol | Be |
| CAS number | 7440-41-7 |
| Purity grades | 99% · 99.5% · 99.8% (higher on request) |
| Particle size | Micron range; target D50 specified per order |
| Morphology | Spherical or irregular |
| Appearance | Grey powder |
| Typical applications | Aerospace structures, X-ray windows, beryllium-copper alloys, nuclear applications |
Applications by Industry
Aerospace structuresLightweight, high-stiffness structural components.
X-ray windowsLow-absorption windows for X-ray and radiation equipment.
Beryllium-copper alloysMaster alloy feedstock for Be-Cu alloy production.
Nuclear applicationsNeutron reflector and moderator materials.
Precision instrumentsDimensionally stable components for optical and instrument applications.
Defense & researchFeedstock for specialized defense and research applications.
Particle Size & Mesh Conversion
Reference for converting between US mesh and microns/millimetres. Figures are nominal sieve openings and may vary slightly by standard.
| Mesh (US) | Micron (µm) | mm | Inch | Remarks |
|---|---|---|---|---|
| 3 | 6730 | 6.730 | 0.2650 | |
| 4 | 4760 | 4.760 | 0.1870 | |
| 5 | 4000 | 4.000 | 0.1570 | |
| 6 | 3360 | 3.360 | 0.1320 | |
| 7 | 2830 | 2.830 | 0.1110 | |
| 8 | 2380 | 2.380 | 0.0937 | |
| 10 | 2000 | 2.000 | 0.0787 | |
| 12 | 1680 | 1.680 | 0.0661 | |
| 14 | 1410 | 1.410 | 0.0555 | |
| 16 | 1190 | 1.190 | 0.0469 | |
| 18 | 1000 | 1.000 | 0.0394 | |
| 20 | 841 | 0.841 | 0.0331 | |
| 25 | 707 | 0.707 | 0.0278 | |
| 30 | 595 | 0.595 | 0.0234 | |
| 35 | 500 | 0.500 | 0.0197 | |
| 40 | 420 | 0.420 | 0.0165 | |
| 45 | 354 | 0.354 | 0.0138 | |
| 50 | 297 | 0.297 | 0.0117 | |
| 60 | 250 | 0.250 | 0.0098 | |
| 70 | 210 | 0.210 | 0.0083 | |
| 80 | 177 | 0.177 | 0.0070 | |
| 100 | 149 | 0.149 | 0.0059 | |
| 120 | 125 | 0.125 | 0.0049 | |
| 140 | 105 | 0.105 | 0.0041 | |
| — | 100 | 0.100 | 0.0039 | Sand |
| 170 | 88 | 0.088 | 0.0035 | |
| 200 | 74 | 0.074 | 0.0029 | |
| — | 70 | 0.070 | 0.0027 | |
| 230 | 63 | 0.063 | 0.0024 | Human hair |
| — | 55 | 0.055 | 0.00217 | |
| 270 | 53 | 0.053 | 0.0021 | |
| — | 50 | 0.050 | 0.00197 | |
| 325 | 44 | 0.044 | 0.0017 | |
| — | 40 | 0.040 | 0.00157 | |
| 400 | 37 | 0.037 | 0.0015 | |
| 550 | 25 | 0.025 | 0.00099 | |
| 625 | 20 | 0.020 | 0.00079 | |
| 1200 | 12 | 0.012 | 0.0005 | |
| 1250 | 10 | 0.010 | 0.000394 | |
| — | 7 | 0.007 | 0.000276 | |
| 2500 | 5 | 0.005 | 0.000197 | |
| 4800 | 3 | 0.003 | 0.000118 | |
| 5000 | 2.5 | 0.0025 | 0.000099 | Bacteria (approx.) |
| 12000 | 1 | 0.001 | 0.0000394 |
Information Required for Quotation
- Grade / purity
- Particle size / target D50 (micron, nano, or mesh)
- Morphology
- Quantity
- Application environment
- Required delivery country
Lead time depends on grade, particle size, quantity and processing requirements. Export availability can be reviewed based on destination country and material type. A Certificate of Analysis can be provided on request. Beryllium powder is a regulated, toxic material (inhalation hazard); supplied with SDS and handled under appropriate safety protocols and export controls.
Request a Quote or Custom Order
Tell us your grade, particle size and quantity. We typically reply within one business day.
Frequently Asked Questions
What purity grades of beryllium powder are available?
Beryllium powder is offered in 99% · 99.5% · 99.8% (higher on request) purity. Other grades can be reviewed on request depending on your application and quantity.
What particle sizes can you supply?
Particle sizes are supplied in the micron range, with the target D50 specified per order. Mesh-based requirements are also accepted; a mesh-to-micron conversion reference is provided on the page.
Can beryllium powder be made to custom specifications?
Yes. Beryllium powder is produced to order — grade, particle size, morphology and packaging can be customized to your specification. Please provide your target values in the request form.
What is the minimum order quantity (MOQ)?
Order quantity is flexible and small quantities and prototype requests are welcome. Please state your required quantity in the form for an accurate quotation.
Can you export and ship beryllium powder internationally?
Yes, export inquiries are welcome. Availability and shipping are reviewed based on destination country, grade and quantity.
Do you provide a Certificate of Analysis (COA) or technical data?
A Certificate of Analysis and technical data (purity, particle size distribution) can be provided on request for supplied lots.
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Request a Quote for Beryllium Powder
Send us your grade, particle size, quantity and application. We will review availability, quotation and lead time. Small quantities, prototypes and custom made-to-order specifications are welcome.