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Precision CNC Machining Manufacturer for Aluminum 6061 & Stainless Steel 316L
Product Spotlights
Specializing in high-precision CNC machining of Aluminum 6061 & Stainless Steel 316L, we deliver complex parts with tight tolerances for global industries. Leverage 30+ years of expertise, rapid prototyping to volume production, rigorous quality control (CMM available), and comprehensive surface finishing. Benefit from flexible MOQs, DFM support, and reliable international shipping from an established manufacturer trusted across North America, Europe, Asia & beyond.
Negotiable
MOQ: 10 Pieces (Price negotiable depending on order volume and customization)
Key Specifications
Get Latest Price
Material:
Aluminum 6061, Stainless Steel 316L
Process Type:
CNC Milling, CNC Turning
Part Size Range:
Customizable (Provide Drawings)
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
Delivery time depends on order quantity.
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Material
Aluminum 6061, Stainless Steel 316L
Process Type
CNC Milling, CNC Turning
Part Size Range
Customizable (Provide Drawings)
Application Industries
Aerospace, Automotive, Medical, Electronics
Surface Treatment
Anodizing, Polishing, Sandblasting (Optional)
Tolerance Standard
ISO 2768 Medium (Customizable)
Minimum Order Quantity
Flexible (Prototype to Bulk)
Production Lead Time
5-15 Days (Project Dependent)
File Format Accepted
STEP, IGES, DXF, DWG, PDF
As a trusted manufacturer since 1990, Ningbo Changfeng Mechanical Factory specializes in delivering high-precision CNC machining solutions, focusing on Aluminum 6061 and Stainless Steel 316L components. With an annual export value between US$10 Million and US$50 Million, we serve diverse industrial markets globally, bringing over three decades of machining expertise to ensure your parts meet exact specifications and rigorous quality standards.
Core Material Expertise:
We excel in machining two of the most demanded materials:
- Aluminum 6061: Renowned for its excellent strength-to-weight ratio, good machinability, weldability, and corrosion resistance. Ideal for structural frames, automotive parts, and consumer electronics enclosures.
- Stainless Steel 316L: Offers superior corrosion resistance, especially against chlorides and acids, high temperature strength, and excellent formability. Critical for medical instruments, marine hardware, chemical processing equipment, and food-grade applications.
Precision Machining Capabilities & Specifications:
Our advanced CNC machining centers guarantee tight tolerances and complex geometries:
| Capability | Details |
|---|---|
| Machining Processes | 3-axis, 4-axis, 5-axis CNC Milling; CNC Turning (Swiss & Lathe) |
| Standard Tolerance | ±0.005 inches (±0.127mm) - Tighter tolerances achievable |
| Max Part Dimension (Milling) | 800mm x 500mm x 400mm (Custom larger capacity available) |
| Surface Finish (Ra) | Standard: 3.2μm | Fine: 1.6μm | Mirror: 0.8μm (Achievable) |
| Secondary Operations | Deburring, Heat Treatment, Anodizing (Type II, III), Passivation, Plating, Painting, Laser Marking |
Quality Assurance & Process Control:
Every part undergoes rigorous inspection to ensure conformity:
- First Article Inspection (FAI) reports for new projects.
- In-process dimensional checks using calibrated calipers, micrometers, height gauges.
- CMM (Coordinate Measuring Machine) inspection for complex geometries and critical tolerances.
- Surface roughness testing.
- Material certification traceability (Mill Test Reports available upon request).
Why Partner With Us:
- Material Specialists: Deep understanding of machining characteristics for Al 6061 & SS 316L, optimizing feeds, speeds, and tooling for superior results.
- Precision & Consistency: Advanced CNC equipment and skilled machinists ensure parts meet exact specifications batch after batch.
- Rapid Prototyping & Production: Efficient workflow from quote to delivery, supporting both low-volume prototypes and high-volume orders.
- Global Supply Chain Experience: Proven track record reliably serving complex international supply chains across North America, Europe, Asia, and beyond.
- Design for Manufacturability (DFM) Support: Our engineering team provides feedback to optimize part design for cost-effectiveness and manufacturability.
Backed by over 30 years of manufacturing excellence and a significant global footprint serving key markets worldwide, Ningbo Changfeng Mechanical Factory is your reliable partner for precision CNC machined components. Our commitment to quality, on-time delivery, and competitive pricing for Aluminum 6061 and Stainless Steel 316L parts ensures your project's success. Leverage our expertise to streamline your supply chain – request a quote or contact our technical sales team today to discuss your specific requirements.
Frequently Asked Questions (FAQ):
-
Q: Which material, Al 6061 or SS 316L, is better for my application?
A: Al 6061 is lighter and more cost-effective for structural parts needing good strength. SS 316L is essential for extreme corrosion resistance, high temperatures, or sterile environments (e.g., medical, marine, chemical). We can advise based on your specific needs. -
Q: What file formats do you accept for quoting and production?
A: We accept all common CAD formats: STEP, IGES, DXF, DWG, as well as PDF drawings. Clear 2D drawings with tolerances, material callouts, and surface finish requirements are always recommended alongside 3D models. -
Q: What is your typical lead time for CNC machined parts?
A: Lead times vary based on complexity and quantity. Prototypes can often ship in 5-7 days. Production batches typically take 10-15 days. Expedited services are available upon request. -
Q: Do you offer surface finishing services?
A: Yes, we provide a wide range of in-house and partnered surface treatments including anodizing (clear, black, colors), polishing, sandblasting, passivation (for SS 316L), painting, and plating. Specify your requirement in the RFQ. -
Q: What is your minimum order quantity (MOQ)?
A: We are flexible! We cater to prototype quantities (even single pieces) as well as high-volume production runs. MOQ is project-dependent. -
Q: How do you ensure quality control?
A: Quality is integral. We perform dimensional checks throughout machining and final inspection using calibrated tools. CMM inspection and material certification are available. FAI reports are provided for new parts. -
Q: Can you machine parts from other materials besides Al 6061 and SS 316L?
A: While we specialize in these two, we also machine other metals (e.g., 7075 Aluminum, 303/304 Stainless, Brass, Copper) and some plastics. Inquire about your specific material needs. -
Q: Do you handle international shipping and logistics?
A: Yes, exporting is core to our business. We have extensive experience arranging cost-effective and reliable shipping (air/ocean) with proper documentation to all our listed main markets globally.
Send Inquiry to This Supplier
1Yr
Business Type
Manufacturer
Year Established
1990
Annual Export Value
US$10 Million - US$50 Million
Main Markets
North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe, Central America, Northern Europe, Southern Europe, South Asia, Domestic Market
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