Introduction to 9Cr18 (Martensitic)
This comprehensive technical guide provides in-depth information about 9Cr18 (9Cr18Mo), a Martensitic stainless steel material used in CNC machining applications.
Chemical Composition
| Element | Content (%) |
|---|---|
| Cr | 17.0-19.0 |
| C | 0.90-1.00 |
| Mo | 0.40-0.70 |
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | ≥600 MPa |
| Yield Strength | ≥400 MPa |
| Hardness | 55-60 HRC |
CNC Machining Parameters
Recommended cutting parameters for 9Cr18:
- Turning: 60-100 m/min, feed 0.1-0.2 mm/rev
- Milling: 50-80 m/min, feed 0.05-0.15 mm/tooth
- Drilling: 40-60 m/min, feed 0.1-0.2 mm/rev
Published: 2026-06-04 07:05:07
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