Anodizing & Small-Part Anodizing
Decorative and protective oxide layer with DIN 17611 pre-treatment for profiles up to 7,000 mm as well as cut and CNC-machined short parts (Small-Part Anodizing).
DIN 17611 (E0–E6) Pre-Treatments and Electrochemical Anodizing
Anodizing converts the aluminium surface itself into an integral crystalline aluminium oxide (Al₂O₃) layer. Unlike organic coatings, the anodic layer cannot peel or flake, offers high abrasion hardness, and retains metallic aesthetics under UV exposure.
Our anodizing line features 8,000 × 2,500 mm baths and a monthly capacity of ~600 tonnes, accommodating single-piece profiles up to 7,000 mm across all DIN 17611 E0–E6 mechanical and chemical pre-treatment classes.
Film Thickness Verification and Hydrothermal Sealing
We apply 10–12 µm as standard for indoor and general engineering profiles, as well as architectural thicknesses per EN ISO 7599 on request. Every batch undergoes eddy-current micron measurement and seal quality testing.
| DIN 17611 Code | Pre-Treatment Process | Surface Appearance | Typical Application |
|---|---|---|---|
| E0 | Degreasing & deoxidizing only (no mechanical prep) | Natural extrusion lines visible, functional finish | Internal structural frames and industrial components |
| E1 | Mechanical grinding + anodizing | Uniform ground texture, die lines removed | Heavy-wall machinery and equipment profiles |
| E2 | Mechanical brushing (satin) + anodizing | Directional silky brushed grain (stainless look) | Furniture handles, appliances and interior trim |
| E3 | Mechanical polishing + anodizing | High-gloss mirror-like specular surface (EN AW-6463) | Shower enclosures, luxury trim and lighting reflectors |
| E4 | Grinding + brushing + chemical etching | Defect-free satin architectural finish | High-specification facade and design elements |
| E5 | Mechanical polishing + chemical brightening/etching | Smooth semi-bright or bright uniform finish | Automotive trim, display frames and decorative profiles |
| E6 | Alkaline chemical satin etching + anodizing | Uniform velvety matt architectural appearance | Curtain walls, windows, solar frames and building profiles |
Bath size: 8,000 × 2,500 mm | Max profile length: 7,000 mm | Standard film: 10–12 µm | Capacity: ~600 tonnes/month.
FAQ
What is the maximum profile length you can anodize in a single piece?
With 8,000 × 2,500 mm tanks, we anodize aluminium profiles up to 7,000 mm (7 meters) in length.
Which anodized colors do you offer?
We produce natural silver, gold (yellow), champagne, bronze, brown and black anodized finishes in matt, brushed (E2) or polished (E3) textures.
Which alloy gives the best bright-polished anodized result?
EN AW-6463 combined with E3 mechanical polishing delivers the highest specular reflectivity for bright anodizing.
Related Engineering & Manufacturing Resources
5000, 6000 & 7000 Series Alloys (EN 573-3 / EN 755-2)
Chemical composition and mechanical property tables for EN AW-5083, 5754, 6060, 6063, 6005A, 6082, 6463, 7020 and 7075.
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Plant, 5-6-7 Inch Presses & Small-Part Finishing
5-6-7 inch (1,000–2,000 t) presses, 80–20,000 g/m, min. 0.8 mm wall, bar/small-part anodizing & 8–6,000 mm cutting.
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ISO 9001, TSE & 1-to-1 Replacement Guarantee
ISO 9001 and TSE certified quality control stages and 1-to-1 defect replacement commitment.
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Request a Quote
Send your section drawing and annual volume; the quotation is prepared together with the die and production plan.