| General Information: | ||
|---|---|---|
| Material Group | M - Stainless Steel | |
| Sub-Group | Martensitic Stainless Steel | |
| Hardne | 80.0 HRB | |
| Tensile Strength | 500 [N/mm^2] | |
| Machinability Range | 35% - 90% | |
Equivalent International Designations for Stainless Steel 444
| Standard | Name |
|---|---|
| sae | 444 |
| wnr | 1.4521 |
| uns | UNS S44400 |
| ss | 2326 |
| anfor | Z3CDT18 02 |
Chemical Composition for Stainless Steel 444
| Element | Amount |
|---|---|
| Chromium (Cr) | 18.2% |
| Molybdenum (Mo) | 1.9% |
| Nickel (Ni) | 0.5% |
| Silicon (Si) | 0.45% |
| Manganese (Mn) | 0.3% |
| Titanium (Ti) | 0.13% |
| Phosphorus (P) | 0.03% |
| Carbon (C) | 0.013% |
| Sulfur (S) | 0.002% |
Cutting Speeds Recomendations for Stainless steel - Martensitic
* Click on the speeds below for higher precision in specific conditions!
Application Vc (m/min) Vc (SFM) Turning 155-395 510-1300 Milling 95-250 310-820 Parting 60-160 200-520 Grooving 90-235 300-770 Drilling 45-115 150-380
Important! The speed estimation is given for an ideal situation:
- Most suitable carbide grade
- Stable tool clamping
- Stable workpiece clamping
- Good quality raw material
- A short overhang of the cutting tool.
- Nominal hardness of the material.
- etc.
Click on the speeds in the above table to get better precision for specific parameters
Or use our Speed and Feed Calculator
Recommended Carbide Grades for Stainless Steel 444
* If you don't understand the below table? Read This Explanation to make the most out of it!
Grade for Turning
Grade for Parting Off
Grade for Grooving
Grade for Milling (Indexable)
Recommended Insert Cutting Edge Geometry for Stainless Steel 444
| Application | Vc (m/min) | Vc (SFM) |
|---|---|---|
| Turning | 155-395 | 510-1300 |
| Milling | 95-250 | 310-820 |
| Parting | 60-160 | 200-520 |
| Grooving | 90-235 | 300-770 |
| Drilling | 45-115 | 150-380 |
Important! The speed estimation is given for an ideal situation:
- Most suitable carbide grade
- Stable tool clamping
- Stable workpiece clamping
- Good quality raw material
- A short overhang of the cutting tool.
- Nominal hardness of the material.
- etc.
Click on the speeds in the above table to get better precision for specific parameters
Or use our Speed and Feed Calculator
* If you don't understand the below table? Read This Explanation to make the most out of it!
Learn more about carbide inserts Cutting-Edge Geometry Parameters.
