Black to charcoal
The observed shade can shift with alloy, light, texture, and layer condition.
Oxidation
Black Anodizing for Custom Manufactured Parts
A dyed anodic finish for aluminum parts that need a dark technical appearance with corrosion protection.
- Dark technical appearance
- Corrosion resistance
- Defined cosmetic surfaces
Finish overview
Dark aluminum components with engineering and cosmetic requirements aligned.
Black anodizing is used on camera mounts, robotic components, optical fixtures, heat sink housings, and control hardware where a dark, low-distraction appearance is required alongside aluminum surface protection.
A part described only as 'black' is not sufficiently controlled. Alloy, pretreatment, target sheen, color tolerance, cosmetic class, and sealing method influence the result, especially across separate components in one assembly.
Appearance
What the finished surface can look and feel like.
Machined or matte
Tool marks remain visible unless the surface is prepared by blasting, brushing, or another defined method.
Assembly-sensitive
Adjacent parts from different alloys or batches can appear different even under the same finish name.
Suitable processes
Manufacturing routes commonly paired with this finish.
Suitable materials
Base materials that require process-specific review.
Typical applications
Part families commonly reviewed for black anodizing.
Robotic joint housings
Camera and sensor mounts
Optical fixtures
Heat sink housings
Automation plates
Consumer electronics frames
Benefits
Where this option can add value.
- Creates a dark technical appearance
- Maintains engraved and machined detail
- Supports corrosion protection for aluminum
- Can reduce visual reflections with a matte pretreatment
Limitations
Requirements that need engineering review.
- Black shade is not identical across alloys, batches, or textures.
- Sharp edges can appear lighter or wear more readily.
- Thread and bore dimensions need finish allowance or masking.
- UV and service exposure may affect long-term appearance depending on the system.
RFQ checklist
Finish details to include in the quotation package.
Clear requirements help engineering, finishing, inspection, and purchasing review the same target.
- 01Exact aluminum alloy
- 02Black shade and sheen target
- 03Pretreatment such as bead blasting
- 04Cosmetic-face classification
- 05Masking, rack marks, and contact points
- 06Assembly color-match expectations
Related parts
Representative geometry from the parts gallery.
These gallery entries are labeled as black-anodized aluminum examples. They are visual references, not a universal shade standard.
5-Axis Robotic Joint
5-Axis CNC Machining · Aluminum 7075 · Black Anodizing
View part
Black Robotic Part
5-Axis CNC Machining · Aluminum 7075 · Black Anodizing
View part
Black Camera Mount
CNC Machining · Aluminum 7075 · Black Anodizing
View part
Optical Mount
CNC Milling · Aluminum 7075 · Black Anodizing
View partRelated finishes
Compare appearance, material compatibility, and functional intent.
FAQ
Black Anodizing questions from engineering and sourcing teams.
Is black anodizing the same as black oxide?
No. Black anodizing is an aluminum oxide finish, while black oxide is a conversion treatment for ferrous materials. Their material compatibility and performance differ.
Why can black anodized parts look gray?
Alloy, surface texture, layer condition, dye, sealing, and lighting affect the observed color. A sample is more useful than the word 'black' alone.
Can cosmetic black parts be color-matched as an assembly?
They can be managed more closely by controlling alloy, stock condition, pretreatment, and batch, then approving physical samples. Perfect match should not be assumed.
Start your RFQ
Upload your drawings and receive an engineer-reviewed quotation.
Share the material, process, quantity, finish, critical requirements, and delivery needs. contact@kewei-kw.com / +86-13929495765