# Aluminum Casting Surface Finishing Guide
Surface finishing for aluminum castings should be specified by function, environment, appearance, and downstream assembly needs. The best finish depends on alloy, casting route, porosity risk, machining sequence, masking, and inspection criteria.
RFQ inputs
Send:
RFQ CTA
Have a casting project? Upload your drawing for a fast, structured quote review.
Send the drawing, target alloy, finishing scope, MOQ, and delivery timing. Bohua will review it like a real sourcing project, not a generic contact request.
- •target finish or coating standard
- •cosmetic class and visible surfaces
- •corrosion or wear environment
- •areas that must remain uncoated
- •machining-before-finish requirements
- •packaging requirements to protect finished surfaces
- •inspection method and acceptance criteria
Supplier questions
Ask whether the finish is done in-house or by a qualified partner, how masking is handled, and whether samples need appearance approval before production.
Bohua RFQ path
Bohua can review aluminum casting finishing RFQs for process fit, masking, machining sequence, and inspection planning. Send the package through the formal RFQ form.
Project CTA
Ready to Source This Part?
Send your drawing for a structured DFM review and quote on a fast response timeline.