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Hydraulic Cylinders

A multitude of new regulations reduce the number of hard chromium plating plants worldwide, but hydraulic cylinders are traditionally hard chromium plated. Oerlikon Metco has a solution to your challenge.

Better Than Hard Chromium Plating

Globally, hard chromium plating facilities are subject to strict environmental and health issue regulations associated with CrVI (hexavalent chromium). As a result, new hard chromium facilities are not being commissioned; hence, demand on the current facilites continues to increase and supply continues to decrease. Clearly, innovation is needed that does not need hard chromium plating. Oerlikon Metco has those innovations today!  

Our electric arc wire and HVOF solutions use safer, more effective material solutions that:

  • Corrosion resistance equal to or better than hard chromium plating
  • Vibratory / shock loading conditions
  • Temperature differential depending on the location of the mine and time of year
  • Abrasion-resistance appropriate for the application

As a full-service provider with experts in coating solutions for hydraulic cylinders, Oerlikon Metco has developed a unique portfolio of materials and processes that are cost-effective solutions for this special application. Processes such as gas or liquid High Velocity Oxygen Fuel (HVOF) Spray, and Electric Arc Wire (EAW) Spray processes have been further developed and refined to meet the technical challenges in the mining industry.

We provide our customers a combined offering of high technology materials and state-of-the-art equipment, to ensure the coatings achieve the targeted performance.

Key HVOF Materials:

  • WOKA 7103
  • WOKA 7203

Key EAW Materials

  • Metco 8280
  • Metco 8293
  • Metco 8453


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