Maraging Steel 1.2709 (MS1 / 18Ni300) Powder
CAS —
18Ni300
Metal Powder
Physical & Chemical Specifications
| Property | Specification | Test Method |
|---|
| Particle Size (D10–D90) | 15–53 μm | Laser diffraction (ASTM B822) |
| Sphericity | ≥ 95% | SEM / DIA |
| Apparent Density | 3.80–4.30 g/cm³ | ASTM B212 |
| Flowability (Hall) | ≤ 25 s / 50 g | ASTM B213 |
| Oxygen Content | ≤ 400 ppm | LECO |
| Nitrogen Content | ≤ 150 ppm | LECO |
| Hardness (as-built) | 30–36 HRC | Rockwell |
| Hardness (after aging) | ≥ 50 HRC | Rockwell |
Chemical Composition
| Element / Component | Specification | Test Method |
|---|
| Iron (Fe) | Balance | ICP-OES |
| Nickel (Ni) | 17.0–19.0% | ICP-OES |
| Cobalt (Co) | 8.5–9.5% | ICP-OES |
| Molybdenum (Mo) | 4.5–5.2% | ICP-OES |
| Titanium (Ti) | 0.6–0.8% | ICP-OES |
| Carbon (C) | ≤ 0.03% | LECO |
| Silicon (Si) | ≤ 0.10% | ICP-OES |
Typical Applications
- SLM/LPBF high-performance tooling inserts
- Injection mold tooling with conformal cooling
- Aerospace precision structural parts
- High-hardness prototype tooling
- Complex geometry die casting inserts
Packaging
5 kg / 10 kg vacuum-sealed argon-filled stainless steel drums
Storage & Shelf Life
Vacuum or argon atmosphere. Avoid moisture & oxidizing conditions. Shelf life: 24 months.
All values are typical and may vary by lot. This TDS does not constitute a warranty.
Contact TKNCO for lot-specific Certificate of Analysis (COA).