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A Comprehensive Guide To Metal Fabrication Coating Types And Their Differences

March 22, 2023

At ABC Metalworks, we pride ourselves on providing top-quality metal fabrication services for a diverse range of industries. In this article, we discuss the different types of coatings available for metal fabrication, their unique characteristics and their respective applications.

A Metal Fabrication

Powder Coating: A Durable And Attractive Finish

Powder coating is a popular choice for metal fabrication projects due to its durability, environmentally-friendly nature and wide range of available colours. The process involves applying a dry powder, usually made of polyester, epoxy, or a blend of both, to the metal surface using electrostatic spray deposition. The coated metal is then cured in an oven, creating a strong and even finish.

Key Benefits Of Powder Coating

  • Exceptional durability: Resistant to chipping, scratching and fading
  • Environmentally friendly: Almost no VOC emissions and excess powder can be reused
  • Versatile: Available in a vast range of colours and finishes, including gloss, matte and textured
  • Corrosion resistance: Provides an extra layer of protection for metal components
  • Galvanisation: Long-Lasting Corrosion Protection

 

Galvanisation is the process of applying a layer of zinc to steel or iron components to prevent rust and corrosion. This coating is achieved through hot-dip galvanising or electro-galvanising, depending on the desired thickness and application requirements.

Key Benefits Of Galvanisation

  • Proven corrosion resistance: Protects the metal from rust and environmental factors
  • Low maintenance: Requires minimal upkeep, saving time and money
  • Longevity: Can last up to 50 years or more, depending on the environment
  • 100% recyclable: Zinc and steel can both be recycled without losing their properties

Anodising: A Superior Finish For Aluminium Components

Anodising is a specialised electrochemical process that forms a protective oxide layer on aluminium surfaces. This process not only increases the metal's resistance to wear and corrosion but also allows for colouring and sealing.

Key Benefits Of Anodising

  • Enhanced durability: Improves wear resistance and prevents corrosion
  • Aesthetic appeal: Allows for colouring and various finishes
  • Environmentally friendly: Produces less waste and fewer emissions than other coating methods
  • Non-conductive: The anodised layer acts as an electrical insulator, preventing short circuits

Plating: A Versatile Coating Solution

Plating involves depositing a thin layer of metal onto a substrate, typically through electroplating or electroless plating. Common plating materials include gold, silver, nickel, and chrome, each offering unique properties for specific applications.

Key Benefits Of Plating

  • Improved appearance: Provides a shiny, polished finish to metal surfaces
  • Enhanced durability: Increases wear resistance and reduces the risk of corrosion
  • Electrical conductivity: Can improve conductivity in electrical components
  • Customisation: Offers a wide range of plating materials to suit specific needs

Choosing The Right Coating For Your Metal Fabrication Project

At On the Spot Steel Fabrication, we have a diverse range of steel fabrication capabilities to suit a range of needs. Whether it’s metal works or commercial fabrication, we can cater to large and small scale projects. Get in touch today to discuss your metal fabrication needs via our website, or give us a call on (07) 5437 0817. 

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