98%
Customers Satisfiction
1M+
Stainless Steel Parts Delivered
Stainless Steel CNC Machining Services Supplier in China
CMS delivers fast, precise, and reliable CNC machining for stainless steel components across medical, aerospace, industrial, and high-performance applications. With advanced milling, turning, Swiss machining, and 5-axis capabilities, we produce corrosion-resistant, high-strength stainless steel parts with tight tolerances and excellent surface finishes. From prototypes to mass production, we offer consistent quality, competitive pricing, and no minimum order quantity.
Start your CNC stainless steel machining project today—upload your CAD files for an instant quote.
Cases of CNC Stainless Steel Parts
Why Choose CMS for CNC Stainless Steel Machining?
Stainless Steel Materials We Work With
| Grade | Key Features | Density (g/cm³) | Yield Strength (MPa) | Hardness | Common Applications |
|---|---|---|---|---|---|
| 303 | Best machinability | 7.70–7.74 | 190–240 | HB 180–190 | Fasteners, fittings, connectors |
| 304 / 304L | Most common stainless, excellent corrosion resistance | 7.90–8.00 | 215–240 | HB 150–160 | Housings, brackets, food & medical components |
| 316 / 316L | Marine/chemical-grade corrosion resistance | 7.98 | 170–290 | HB 150–160 | Medical devices, chemical equipment |
| 410 / 416 | Hardenable martensitic stainless, good wear resistance | 7.65–7.75 | 275–450 (after heat treatment) | HRC 35–45 | Shafts, valves, high-strength parts |
| 420 | High hardness after heat treatment | 7.70 | 500–700 (hardened) | HRC 50–56 | Cutting tools, wear parts |
| 17-4 PH | High strength + corrosion resistance | 7.75–7.80 | 1000–1100 (H900 condition) | HRC 35–44 | Aerospace, robotics, high-load structural parts |
Features of CNC Machining Stainless Steel Parts
Stainless steel has unique advantages that make it an excellent CNC machining material for different applications, precision parts can be produced by CNC machining, ensuring high consistency and accurate specifications.
- Very high strength to pull apart.
- Good resistance to wear and corrosion
- Good ability to be shaped and welded
- Good for hygiene and easy to clean
- Good performance in both hot and cold weather
Our CNC Stainless Steel Machining Capabilities
Processes
- CNC turning & turn-milling
- CNC milling (3-axis / 4-axis / 5-axis)
- Swiss-type machining for small precision components
- Drilling, tapping, threading
- Hard-material machining (410 / 420 / 17-4PH)
- Precision grinding & polishing
Tolerance Standards
- Standard: ±0.02 mm
- High-precision: ±0.005 mm
- Surface finish: Ra 0.4–1.6 μm
- Roundness: ≤ 0.01 mm
Frequently Question
If you have any questions in the process of product design and manufacturing, you can contact us to obtain expert support and provide the best solution for your product. Get support now ！
client
testimonials
Supplier was very helpful througout the whole process and very easy to communicate with, the end product turned out great with good anodizing quality and overall quality.
Edward Kinsjer
It All Starts With a consultation!
Stainless Steel Parts CNC Machining Service
For any kind of quiries, Please Email
Room 902, Building 37, Gaoao New Village, Longhua District, Shenzhen City, Guangdong Province, China. 518100
+8617196430663
