12Cr9Ni maraging stainless powder — supplier & RFQ
Corrosion-resistant maraging tool steel powder for mold inserts and conformal-cooled tooling that must resist rust and coolant attack.
- PSD15–45 µm · 15–53 µm
- ProcessLPBF
- Ref. priceOn request
- Min. pack1 kg
- Grade
- 12Cr9Ni-Mo-Al
- Particle size
- 15–45 µm · 15–53 µm
- Processes
- LPBF
- Reference price
- On request
- Samples
- Paid · from 1 kg
- Packaging
- Aluminium-foil bag · 1 kg sealed pack · Drum
- Lot documents
- Lot-specific COA · Particle-size report · Safety data sheet · Chemistry report
12Cr9Ni maraging stainless powder applications by industry
| Industry | Typical parts | Why 12Cr9Ni maraging stainless | Specify in your RFQ |
|---|---|---|---|
| Corrosion-resistant molds Guide → | Mold inserts with cooling channels exposed to water or corrosive polymers | Maraging stainless: aging gives tool-steel hardness without the rusting of M300 | Aging condition, hardness, polishing, coolant chemistry |
| Medical and food tooling | Tooling and fixtures needing hygiene and strength | Stainless behavior with high strength | Cleaning route, surface finish |
Designations
- 12Cr9Ni
- Corrosion-resistant maraging steel
- Stainless maraging tool steel
Specify by chemistry (about 12% Cr, 9% Ni, Mo and Al) rather than a proprietary trade name, and state the aged hardness you need.
Particle size and powder properties
- Standard cuts
- 15–45 µm · 15–53 µm
- Processes
- LPBF
- Typical uses
- Corrosion-resistant mold inserts · Conformal-cooled tooling · Aged engineering components
Chemical composition
| Fe | Cr | Ni | Mo | Al | C | Mn | Si | P | S | O | N |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Balance | 11.0–13.0 | 8.4–10.0 | 1.1–1.7 | 1.2–2.0 | ≤0.05 | ≤0.4 | ≤0.4 | ≤0.015 | ≤0.015 | ≤0.03 | ≤0.02 |
wt.% · Typical partner-plant datasheet limits, wt.%. The quoted lot COA governs.
Typical mechanical properties
| Condition | Temperature | Tensile | Yield | Elongation |
|---|---|---|---|---|
| As built | Room temperature | ≥1100 MPa | — | ≥15% · 34–38 HRC |
| Aged | Room temperature | ≥1350 MPa | — | ≥10% · 48–52 HRC |
Partner-plant datasheet values for LPBF test bars at room temperature unless stated. Printed-part properties depend on machine, parameters, orientation, and post-processing.
Documents and packaging
Supplied with each lot
- Lot-specific COA
- Particle-size report
- Safety data sheet
- Chemistry report
State the target chemistry window, aged hardness, coolant or corrosion environment, and any polish or texture requirement.
Packaging
- Aluminium-foil bag — very small quantities and paid samples
- 1 kg sealed pack — minimum standard package
- Drum — production lots
Samples are paid. The smallest standard pack is 1 kg.
Export
Export & compliance →For every Maraging Stainless 12Cr9Ni order we check export-control classification and transport requirements before quoting a ship date, and prepare the SDS, transport classification and shipping documents as one set.
Price
Reference · October 2026
On request
No reliable public list price was found for this grade. Reference only, not an offer. Formal prices, lead time, and terms are issued only in a written quotation from our official corporate email.
Other tool & maraging steel grades
| Powder | Particle size | Process |
|---|---|---|
| M300 maraging steel powder | 15–45 µm · 15–53 µm · 45–106 µm | LPBF · DED |
| H13 tool steel powder | 15–45 µm · 15–53 µm · 45–106 µm | LPBF · DED |