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Metal surface treatments

The right metal surface treatments determine how a part behaves in practice: wear, corrosion, friction, cleanability and lifespan.

BO-Solutions not only supplies CNC precision parts, but also the correct surface processing – partly in-house, but also partly through specialized partners.

One point of contact, one schedule, one quality standard that we strictly monitor.

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Chemical metal surface treatments

Electroplating & coatings

These surface treatments for metal improve corrosion resistance, wear resistance and functionality.

  • Nickel plating
    For strong corrosion protection and increased wear resistance. Ideal for metal parts in humid or aggressive environments.
  • Chrome plating
    Gives a hard, wear-resistant and shiny finish. Suitable for functional contact surfaces and visible parts.
  • Galvanizing
    A cost-effective metal surface treatment to protect steel from rust. Widely applied to frames, structural parts and outdoor components.
  • Teflon coating
    For low friction and non-stick properties. Ideal if sticking needs to be avoided or when products need to unload quickly.
  • Black finishing
    A black, aesthetic and functional layer for metal parts where light reflection, recognizability or basic protection is desired.

Anodizing: aluminum metal surface
treatment

Specific metal surface treatment for aluminum:

  • Standard anodizing
    Increases corrosion protection and allows decorative coloring. Perfect for visible parts and parts that are often cleaned.
  • Hard anodizing
    For an extremely wear-resistant layer (up to approx. 70 HRC equivalent) on aluminium components. Ideal for sliding, sliding and stressed parts.

Passivation & phosphating

  • Passivation of stainless steel
    Removes contaminants and activates the protective layer, which optimizes the corrosion resistance of stainless steel.
  • Phosphating
    Applies a phosphate layer that serves as a primer/bonding layer for further paint or coating systems and provides additional protection against corrosion.

One total partner for metalworking and metal surface treatments

For thermal treatment, hardening, coating and anodising, we work with certified partners. Your advantage:

  • One point of contact for machining + surface treatment
  • One planning and logistics process
  • One quality standard and reporting

BO-Solutions coordinates the entire process from raw part to finished product, treated metal part.

Heat treatments for metals

In addition to chemical metal surface treatments, heat processes are crucial to achieve the right combination of hardness, toughness, and stress distribution.

Hardening processes

  • Hardening & tempering
    Combination of hardening and tempering for the optimal strength/toughness balance in metal parts.
  • Case hardening
    Provides a hard, wear-resistant outer layer with a tough core. Ideal for gears, shafts and parts with contact loads.
  • Induction curing
    Local hardening of specific areas (such as treads, edges or teeth), without affecting the entire metal part.

Specialized heat treatments

  • Nitriding (gas and plasma)
    For a very hard, wear-resistant surface layer with minimal deformation. Perfect for dies, discs, shafts and high-performance components.
  • Stress relieving
    Reduces internal stresses in metal after intensive machining or welding and increases dimensional stability.

Mechanical metal surface
treatments

These operations determine how the metal surface looks, feels, and functions in contact with other parts or products.

Hardening processes

  • Sandblasting
    For a uniform matt surface on metal parts, as a final finish or preparation for paint/coating.
  • Glass bead blasting
    Gives a fine, decorative and even surface – ideal for visible parts or hygienic applications.
  • Laser engraving
    For traceability and marking (logos, serial numbers, QR codes, batch info) directly into/with the metal surface.

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Which metal surface treatment suits your part?

Not every metal surface treatment is suitable for every application.
Depending on wear, corrosion, friction or specific requirements in food, offshore or medical environments, a different treatment is required.

We are happy to help determine which solution is the best fit technically and practically.

Send us the project info. We look at the part and recommend the right combination of material, post-processing and surface finish.

A drawing, photo, material information or short explanation is enough to get started.

Fill in the contact form and upload your files.

Prefer direct contact?
Mail to [email protected] or call +32 51 24 89 32.

This is how we ensure optimal functionality and maximum lifespan of your parts.