1. Technical Parameters

2. Key Selling Points

• Exceptional Corrosion Resistance
  Tested to withstand over 1000 hours of salt spray exposure per ASTM B117, making it ideal for extreme outdoor and marine applications.

• Durable Type III Hard Anodizing
  Offers both superior wear resistance and electrical insulation while maintaining dimensional accuracy.

• Custom Color Anodizing Available
  Choose from a wide range of anodized finishes—natural, black, bronze, gold, or fully customized to your brand color.

• Precision CNC Machining Compatibility
  Our post-anodizing CNC process maintains tight tolerances for functional interfaces, threads, and sealing surfaces.

• One-Stop Solution
  From raw aluminum machining to anodizing and final inspection, all processes are completed in-house to ensure quality and efficiency.

3. Future Trends in Corrosion-Resistant Aluminum Components

• Smart Anodized Coatings
  Integration of functional additives for self-healing, anti-bacterial, or heat-dissipating properties.

• Eco-Friendly Surface Finishes
  Shift toward low-energy, chrome-free anodizing methods and VOC-free coloring processes.

• Extended Service Life
  Advanced sealing methods and duplex coatings (anodizing + powder) to exceed 2000+ hours salt spray for high-end industrial use.

• Digital Part Tracking
  QR-coded anodized parts for full traceability, including coating batch, hardness data, and salt spray test reports.

4. Application Scenarios

1. Marine & Offshore Equipment
   Aluminum brackets, clamps, and housings with anodizing that protects against saltwater exposure.

2. Architectural Panels & Fixtures
   Long-lasting colored aluminum surfaces for outdoor structures, signage, and high-end facades.

3. Automotive Exterior Components
   Roof rails, trim parts, and sensor housings needing both aesthetics and corrosion protection.

4. Defense & Aerospace Systems
   High-performance anodized aluminum components that meet MIL-A-8625F specifications.

5. Industrial & Automation Hardware
   Wear-resistant aluminum rails, guides, and panels for corrosive factory environments.

5. FAQ

Q1: What is the difference between Type II and Type III anodizing?
A1: Type II is decorative and offers moderate protection; Type III is hard anodizing with higher thickness and wear/corrosion resistance.

Q2: Can anodized parts be machined afterwards?
A2: It’s not recommended as machining can compromise the coating. Instead, we CNC-machine parts first, then anodize, maintaining final tolerances.

Q3: How do you ensure consistent color and coating thickness?
A3: We use automated anodizing lines with in-line thickness measurement and color spectrophotometers for precise quality control.

Q4: Is it possible to customize the anodizing for branding or aesthetics?
A4: Absolutely. We offer custom color matching and engraving/laser etching for logos or part numbers under the anodized layer.

Q5: How long will the corrosion protection last outdoors?
A5: With proper sealing, anodized aluminum can resist corrosion and UV damage for 5–10 years or more, depending on environmental conditions.

Maximize Durability and Aesthetics with Corrosion-Resistant Anodized Aluminum
Whether you’re building for the sea, the streets, or the skies—our 1000+ hour salt spray-tested anodized aluminum parts offer strength, style, and long-term reliability. Contact us to start your next project.

Shenzhen Huarongda Technology Co., Ltd. is a professional manufacturer specializing in aluminum die casting, CNC machining, aluminum extrusion, and sheet metal fabrication. Located in Shenzhen, China, with our manufacturing facility in Dongguan covering 5,000 square meters, we provide one-stop solutions from product design to finished goods. With advanced production lines, experienced engineers, and a strong network of qualified suppliers, we ensure high precision, reliability, and efficiency for every project.