420 Stainless Steel Powder (Fe-Cr)
Hardenable martensitic stainless for cutting-edge AM parts. Small quantities, prototypes and custom made-to-order specifications are welcome.
0–105µmParticle Size Range
C 0.2–0.4%Composition
Custom Made-to-OrderGrade & Quantity
WorldwideExport Shipping
420 Stainless Steel Powder — Grades & Specifications
Hardenable martensitic stainless for cutting-edge AM parts. The options below are typical; specify your target values in the request form and we will confirm availability, lead time and pricing.
| Material | 420 Stainless Steel Powder |
|---|---|
| Chemical formula / alloy designation | Fe-Cr |
| CAS number | Alloy — no single CAS number (Fe base; Cr per 420 spec) |
| Particle size | 0–25 / 0–45 / 15–45 / 45–105µm graded cuts |
| Composition | Cr 12.1–14.1%, C 0.2–0.4%, Mn <1%, Si <1%, Mo <1%, Ni <0.5%, P/S <0.03%, Fe balance |
| Morphology | Spherical, gas-atomized (AM-grade flowability) |
| Appearance | Gray metallic powder |
| Typical applications | Cutlery & Blades, Molds & Wear-Resistant Tooling |
Applications by Industry
Cutlery & BladesHardenable martensitic stainless for cutting-edge AM parts.
Molds & Wear-Resistant ToolingHardenable, corrosion-resistant tooling AM components.
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 420 Stainless Steel Powder?
420 Stainless Steel Powder is offered in the grades listed on this page (Cr 12.1–14.1%, C 0.2–0.4%, Mn <1%, Si <1%, Mo <1%, Ni <0.5%, P/S <0.03%, Fe balance). Other grades can be reviewed on request depending on your application and quantity.
What particle sizes can you supply for 420 Stainless Steel Powder?
The typical size range supplied is 0–25 / 0–45 / 15–45 / 45–105µm graded cuts. Please specify your target value in the request form and we will confirm availability.
Can 420 Stainless Steel Powder be made to custom specifications?
Yes. 420 Stainless Steel 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 420 Stainless Steel 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 420 Stainless Steel 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.