Great Magtech (Xiamen) Electric Co., Ltd is one of the most reliable manufacturers and suppliers of carbide inserts for stainless steel in China. We warmly wlecome you to buy high quality carbide inserts for stainless steel from our factory. Contact us for more details.
Carbide Inserts for Stainless Steel Description
The Negative S Series and Negative L Series carbide inserts are engineered to meet the challenges of stainless steel machining. The S Series is optimized for general stainless steel processing, while the L Series is designed for high-precision cutting of tough, hardened stainless steels. Both series offer superior cutting stability, reduced vibration, and longer tool life, even under high-speed cutting conditions. Their durable coatings minimize wear, heat buildup, and thermal deformation, ensuring consistent performance during long, demanding machining cycles.

Carbide Inserts for Stainless Steel Features
The Carbide Inserts for Stainless Steel Negative S and L Series feature TiAlN coatings for high wear resistance and thermal stability. The negative rake angle design improves stability, reduces vibration, and ensures smooth cutting. Ideal for both general stainless steel processing S Series and high-precision cutting of tough alloys L Series, they offer longer tool life, consistent performance, and cost-effective machining in demanding conditions.
S Series Groove Features
|
Model |
Picture |
|
Characteristics |
| CNMG-SF |
|
|
SF - Finishing The SF geometry is suitable for finishing stainless steel and high-temperature alloys. Its variable rake angle design and curved cutting edge provide a sharp, light cutting edge and a high-quality surface finish. |
| CNMG-SM |
|
|
SM - Semi-finishing - Roughing It features a double rake angle, a large chip flute, and a through-cut groove to ensure the sharpness and strength of the tool tip and main cutting edge. It also provides smooth cutting and minimal chip evacuation. |
Matching Grades
Six grades covering common stainless steel processing conditions
GM1115, GM1230, GM3215, GM3325, GM3220, GM3225
L Series Groove Features
|
Model |
Picture |
|
Characteristics |
| CNMG-YF |
|
|
YF-Finishing The cutting edge inclination angle reduces cutting resistance and provides excellent chip control. |
| TNMG-LF |
|
|
LF - Finishing Small blade width and large rake angle increase tool tip strength. Curved blade design provides stable cutting flow control. |
| TNMG-LV |
|
|
LV - Semi-finishing The open flute design with no edge width improves cutting sharpness and facilitates chip evacuation.
|
| CNMG-LM |
|
|
LM - Semi-finishing Variable rake angle and variable edge width guarantee both sharpness and strength. Heart-shaped chip breaker for excellent chip breaking performance. |
| CNMG-LR |
|
|
LR – Rough Machining The low rake angle and large flute width provide high cutting edge strength. The large flute width and shallow flute depth provide smooth chip evacuation. |
Matching Grades
Six coating grades covering common stainless steel processing conditions
GM1115, GM1230, GM3215, GM3325, GM3220, GM3225
Processing Range of Carbide Inserts for Stainless Steel
Processing Range of S Series Carbide Inserts for Stainless Steel
The SF geometry is suitable for fine machining of stainless steel and high-temperature alloys.
The SM geometry is suitable for medium machining of stainless steel and mild steel.

Processing Range of L Series Carbide Inserts for Stainless Steel
YF/LF geometries are suitable for stainless steel finishing.
LV/LM geometries are suitable for stainless steel semi-finishing.
LR geometries are suitable for stainless steel roughing.

Carbide Inserts for Stainless Steel application
Carbide inserts for stainless steel negative S and L series are used in aerospace, automotive, and energy industries for machining stainless steel alloys. The S series is suitable for general stainless steel processing, while the L series excels in high-precision cutting of tougher alloys, ensuring smooth, stable, and efficient machining in demanding conditions.
Stainless Steel Turning Insert Processing Case (Flange)
| Parameter | Value / Description |
|---|---|
| Tool Model | CNMG120408-SM |
| Tool Grade | GM3225 |
| Workpiece Material | 304 Stainless Steel |
| Cutting Speed (Vc) | 220 m/min |
| Feed Rate (fr) | 0.15 mm/rev |
| Depth of Cut (ap) | 2.5 mm |
| Cooling Method | Wet Cutting (Water Coolant) |
| Machining Operation | External Cylindrical Rough Turning |
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