Anodizing and surface treatment · Ontario

West-Tech Finishing: Anodizing and Surface Treatment

Metal-finishing service provider

West-Tech Finishing treats metal parts through anodizing, conversion coating and passivation. The firm works in Woodbridge, within Vaughan, Ontario, and serves aerospace and industrial customers.

Canadian location
Woodbridge, Ontario
Supply-chain role
Metal-finishing service provider
Principal activity
Anodizing and surface treatment
Named offerings
Aluminum anodizing, Chemical conversion coating, Stainless steel passivation, Masking and marking
Company sources reviewedProfile reviewed September 26, 2026Article updated
Diagram comparing West-Tech’s anodizing and conversion coating for aluminum with passivation for stainless steel.
West-Tech Finishing: an Anvil North overview of the service groups described in the company's product and service pages.Diagram: Anvil North; source: company service pages

West-Tech Finishing treats metal parts through anodizing, conversion coating and passivation. The firm works in Woodbridge, within Vaughan, Ontario, and serves aerospace and industrial customers. It also masks, marks and prepares parts for surface treatment. The right finish depends on the metal, drawing and use of the part.

What does West-Tech Finishing do?

West-Tech’s service list includes clear, black and coloured anodizing for aluminum parts. It also lists hard anodizing, conversion coating and stainless steel passivation. These processes change a part’s surface to meet the customer’s drawing.

A coating order starts with the finish that the drawing calls for. That may include its thickness, colour and the areas it must cover. Give the supplier the current drawing so it can assess the job.

Finishing follows a different brief from making a part to size. Machining shapes the metal, while finishing changes the state of its surface. Those stages may involve separate firms, though this does not establish a link between them.

How do anodizing and conversion coating differ?

West-Tech offers Type II sulphuric anodizing and Type III hard anodizing. It links hard anodizing to wear resistance on aluminum parts. Clear, black and coloured finishes meet other needs set by the drawing.

Its chemical conversion coating service treats aluminum for several types of use. Class 1A covers corrosion protection and a base for paint. Class 3 serves low-contact-resistance needs, making the specified class a key order detail.

Process West-Tech’s stated application Detail to resolve
Type II anodizing Clear, black or coloured aluminum finishes Drawing specification and colour
Type III hard anodizing Wear-resistant aluminum surfaces Required thickness and final dimensions
Chemical conversion coating Corrosion protection, paint preparation or electrical-contact requirements Required class and surface scope
Stainless steel passivation Treatment of stainless steel surfaces Material grade and applicable process
Masking Protection of designated areas during treatment Exact boundaries on the drawing

Match the finish to the part’s metal and design needs. The desired colour alone does not settle which process a part needs. Ask the design or quality team to resolve any conflicting drawing notes.

Which supporting finishing services does West-Tech offer?

West-Tech also lists masking, sand blasting, laser engraving and silk screening among its services. These steps can affect the order in which the work takes place. A mark may need a set position, size or direction on the part.

Masking shields areas that should remain free of the treatment. Show those boundaries on the drawing, including any threads or contact points. Clear notes help the supplier assess how to protect each area.

Finishing also serves a different purpose from metal additive manufacturing. Metal printing builds the part; a surface treatment can follow later. A buyer needs to define the work and checks at each stage.

What should a finishing enquiry include?

Send the current drawing with the material grade and number of parts. State the finish, type, class and records needed with the order. Include any masking, marks or final size limits that the drawing sets.

Information Why it matters
Material and alloy Establishes the substrate requiring treatment
Drawing revision Identifies the current engineering requirement
Process, type and class Defines the requested finish
Masking and marking Identifies protected surfaces and identification needs
Final dimensional limits Supports review of coating-related dimensional requirements
Documentation and delivery Defines the evidence and schedule requested

West-Tech displays quality credentials on its website, including NADCAP and AS9100 references. Ask for current records that cover the required site and process. A badge on a page does not establish approval for every job.

West-Tech Finishing: common questions

Where is West-Tech Finishing located?

West-Tech Finishing works in Woodbridge, within the City of Vaughan, Ontario. Its company page describes the firm and the metal finishing work it does. Use its current contact details to confirm where to send parts. Include the drawing, material and requested finish when asking the team to assess a job.

Does West-Tech offer both clear and black anodizing?

West-Tech offers clear and black anodizing as part of its aluminum services. It also lists coloured finishes and Type III hard anodizing. The colour is one of several details needed to define an order. The buyer should also state the metal, finish type and any areas that need masking before treatment.

Is hard anodizing the same as chemical conversion coating?

Hard anodizing and conversion coating are two separate services at West-Tech. Hard anodizing provides a surface that helps aluminum parts resist wear. Conversion coating can provide corrosion protection, a paint base or low contact resistance. Follow the drawing’s process and class, then confirm the supplier can meet that scope of work.

Does West-Tech manufacture the parts it finishes?

West-Tech’s published services focus on treating metal parts that customers supply. Its role fits into the stages needed to make a finished component. Machining and assembly work covers other tasks that a customer may also need. Define who will supply the part and who will carry out each step of the work.

Does West-Tech provide stainless steel passivation?

West-Tech lists stainless steel passivation as one of its finishing services. Give the supplier the steel grade and process called for on the drawing. Describe the part’s condition and any special handling needs in the enquiry. Those details help the team assess the job before it accepts the parts for treatment.

What quality evidence should a finishing customer request?

Finishing customers should ask for records that match the work they order. West-Tech’s quality credentials give a starting point for that review. A buyer may need process certificates, inspection results or records linking parts to a batch. Agree on those records at the start so the supplier knows what to deliver.

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