In high-demand industries where performance, durability, and corrosion resistance are critical, 316 stainless steel CNC turning precision machining parts stand out as an essential component solution. With its superior material properties and compatibility with high-precision CNC machining techniques, 316 stainless steel is a top choice for manufacturers producing parts for marine, medical, aerospace, and industrial applications.
What is 316 Stainless Steel?
316 stainless steel is an austenitic stainless steel alloy containing chromium (16–18%), nickel (10–14%), and a key addition of molybdenum (2–3%). The molybdenum content significantly enhances the alloy’s corrosion resistance, especially against chlorides and other industrial chemicals, making it more robust than the more commonly used 304 stainless steel.
Key properties of 316 stainless steel:
- Excellent corrosion and oxidation resistance
- High tensile strength and creep resistance
- Non-magnetic in annealed condition
- Good weldability and formability
- Exceptional resistance to pitting and crevice corrosion in marine and chloride environments
CNC Turning and Precision Machining: A Perfect Match for 316 Stainless Steel
CNC turning is a subtractive machining process in which a computer-controlled lathe rotates the workpiece while cutting tools shape it into precise geometries. When working with 316 stainless steel—a material known for its toughness—CNC turning provides the accuracy and control necessary for tight tolerances and complex features.
Precision Machining Capabilities for 316 Stainless Parts
- Tolerances: As tight as ±0.001 inches
- Geometries: Cylindrical profiles, internal/external threads, grooves, tapers, chamfers
- Surface finish: Ra values as low as 0.8 µm, depending on requirements
- Size range: From small pins and fasteners to large flanges and shafts
Applications of 316 Stainless Steel CNC Turning Precision Machining Parts
Due to the alloy’s mechanical and chemical properties, CNC-turned 316 stainless steel parts are used in:
1.Medical Industry
- Surgical instruments
- Orthopedic implants
- Diagnostic equipment housings
2.Marine & Offshore
- Valve stems
- Pump shafts
- Corrosion-resistant fasteners and couplings
3.Chemical Processing
- Pipe fittings and connectors
- Reaction chamber components
- Flanges and manifolds
4.Food & Beverage
- Sanitary fittings
- Nozzles and spray heads
- Mixing equipment components
5.Aerospace & Defense
- Precision bushings
- Fuel system components
- High-strength pins and supports
Machining Challenges and Solutions
316 stainless steel is more difficult to machine than other grades due to its work-hardening tendency and toughness. Precision CNC shops overcome this by:
- Using carbide or coated tooling to maintain sharp edges and reduce tool wear
- Applying proper coolant and lubrication to manage heat
- Controlling cutting speeds and feed rates to avoid hardening the surface
- Utilizing multi-axis CNC lathes for complex geometries and higher efficiency
| | CNC Turning, CNC Milling, Laser Cutting, Bending, Spining, Wire Cutting, Stamping, Electric Discharge Machining (EDM), Injection Molding,3D Printing,Rapid Prototype,Moulds etc. |
| | Aluminum: 2000 series, 6000 series, 7075, 5052, etc. |
| Stainlesss steel: SUS303, SUS304, SS316, SS316L, 17-4PH, etc. |
| Steel: 1214L/1215/1045/4140/SCM440/40CrMo, etc. |
| Brass: 260, C360, H59, H60, H62, H63, H65, H68, H70, Bronze, Copper |
| Titanium: Grade F1-F5 |
| Plastic: Acetal/POM/PA/Nylon/PC/PMMA/PVC/PU/Acrylic/ABS/PTFE/PEEK etc. |
| | Anodized, Bead Blasted, Silk Screen, PVD Plating, Zinc/Nickl/Chrome/Titanium Plating, Brushing, Painting, Powder Coated, Passivation, Electrophoresis, Electro Polishing, Knurl, Laser/Etch/Engrave etc. |
| | ±0.002 ~ ±0.005mm |
| | Min Ra 0.1~3.2 |
| CERTIFICATE | ISO9001:2015,AS9100D,ISO13485:2016,ISO45001:2018,IATF16949:2016,ISO14001:2015,ROSH,CE etc. |
FAQ
1. Are you a manufacturer or a trading company?
We are a factory located in Shenzhen, China, with 20 years of rich experience,
covering 6000 square meters. Complete facilities, including 3D quality inspection equipment, ERP system and 40 machines. If necessary, we can provide you with material certificates, sample quality inspection and other reports.
2. How to get a quote?
Detailed drawings (PDF/STEP/IGS/DWG...), including quality, delivery date, materials, quality, quantity, surface treatment and other information.
3. Can I get a quotation without drawings?
Can your engineering team draw for my creativity? Of course, we are also glad to receive your samples, pictures or detailed size drafts for accurate quotation.
4. Can you provide samples before mass production?
Of course, the sample fee is necessary. If possible, it will be returned during mass production.
5. What is the delivery date?
Generally, the sample lasts for 1-2 weeks and the batch production lasts for 3-4 weeks.
6. How do you control quality?
(1) Material Inspection - Check material surfaces and approximate dimensions.
(2) First inspection of production - ensure
critical dimensions in mass production.
(3) Sampling inspection - check the quality before delivery to the warehouse.
(4) Preshipment inspection - 100% inspection by QC assistant before shipment.
7. After sales service team
If you have any problems after receiving the product, you can provide feedback through voice call, video conference, email, etc. within one month. Our team will provide you with solutions within a week.
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