HK30 Powder (Fe-Cr-Ni)
Cr-Ni heat-resistant cast-steel family for furnace and high-temperature components. Small quantities, prototypes and custom made-to-order specifications are welcome.
15–150µmParticle Size Range
Cr 24–26%, Ni 19–22%Composition
Custom Made-to-OrderGrade & Quantity
WorldwideExport Shipping
HK30 Powder — Grades & Specifications
Cr-Ni heat-resistant cast-steel family for furnace and high-temperature components. The options below are typical; specify your target values in the request form and we will confirm availability, lead time and pricing.
| Material | HK30 Powder |
|---|---|
| Chemical formula / alloy designation | Fe-Cr-Ni |
| CAS number | Alloy — no single CAS number (Fe base; Cr/Ni per HK30 spec) |
| Particle size | 15–45 / 15–53 / 20–60 / 53–150µm graded cuts (also -500 mesh); primarily supplied for MIM — confirm AM qualification at quotation |
| Composition | Cr 24–26%, Ni 19–22%, Mn ≤2%, Si ≤1.5%, Nb 1.2–1.5% (supplier-controlled addition; the base ASTM A297 HK specification does not otherwise limit Nb), Mo ≤0.5%, C 0.25–0.35%, Fe balance |
| Morphology | Spherical, gas-atomized (Hall flow <25s/50g); primarily MIM-oriented feedstock |
| Appearance | Gray metallic powder |
| Typical applications | Heat/Creep-Resistant Cast Parts, Petrochemical Furnace Parts |
Applications by Industry
Heat/Creep-Resistant Cast PartsCr-Ni heat-resistant cast-steel family for furnace and high-temperature components.
Petrochemical Furnace PartsHeat- and creep-resistant parts for petrochemical furnace 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 (e.g. ≥99.95%)
- Particle size / target (µm, or mesh)
- 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.
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 / grade options are available for HK30 Powder?
HK30 Powder is offered in the grades listed on this page (Cr 24–26%, Ni 19–22%, Mn ≤2%, Si ≤1.5%, Nb 1.2–1.5% (supplier-controlled addition; the base ASTM A297 HK specification does not otherwise limit Nb), Mo ≤0.5%, C 0.25–0.35%, Fe balance). Other grades can be reviewed on request depending on your application and quantity.
What particle sizes can you supply for HK30 Powder?
The typical size range supplied is 15–45 / 15–53 / 20–60 / 53–150µm graded cuts (also -500 mesh); primarily supplied for MIM — confirm AM qualification at quotation. Please specify your target value in the request form and we will confirm availability.
Can HK30 Powder be made to custom specifications?
Yes. HK30 Powder can be produced to order — grade, particle size and packaging can be customized to your specification. Select "Custom Order" in the request form and provide your target values.
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 HK30 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 can be provided on request for supplied lots.
Related Products
Request a Quote for HK30 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.