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Liquid Nitriding

Liquid nitriding is a subcritical surface enhancement process with one of the longest track records of success of any case hardening technology.

PVD Coatings

PVD coatings involve the deposition of thin (2-10 microns; 0.0001" – 0.0004") films on the surface of tools and components.

Engineered Bushings

HEF bushings are recognized worldwide for their excellent frictional and anti-seizure properties, and ability to withstand high loads.

Bushing Pins & Shafts

Bushing Pins & Shafts

Pin

  • High abrasive and adhesive wear resistance
  • Ductility under flexion
  • High corrosion resistance
  • Low surface roughness and friction

Bushing

  • High wear & abrasion resistance
  • Adequate load bearing capability
  • Ability to operate for long intervals without lubrication

HEF Pins
  • Technical solution for the pin will depend on the bushing selection. Pin surface hardness usually needs to be higher than that of the bushing
  • HEF pins are designed for specific operating conditions and are surface treated to provide superior performance compared to untreated or chrome / nickel / zinc plated pins

ARCOR treated PINS compared to other surface treatments

Surface
Treatment		 Wear Resistance Corrosion
Resistance		 Ductility Under
Flexion		 Friction
Properties
Abrasive Adhesive
ARCOR Liquid Nitriding ++ +++ +++ +++ +++
Induction Hardening ++ 0 0 - 0
Case Hardening ++ 0 0 - 0
Electroless Ni Plating + ++ ++ + +++
Cr Plating + ++ + + ++
Gas Nitriding ++ ++ ++ + ++
Zn Plating 0 0 +++ +++ +