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Bearings
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  Bearings
CORC-g Standard
The specially alloyed wear surface, being 25% of the total thickness, is through hardened to 60-62 Rc, imparting a high degree of wear resistance. The shock absorbing Mild Steel base material with a strength of 500-600 N/mm2, hardness around 175 BHN, is 100% metallurgical bonded to the harder wear surface. This base material is readily weldable.

CORC-g Stainless
The specially alloyed Stainless Steel wear surface, being 25% of the total thickness, is through hardened to 58-60 HRc, imparting a high degree of wear and corrosion resistance.

The mild shock absorbing base material with a strength of 500-600 N/mm2, hardness around 175 BHN, is 100% metallurgical bonded to the wear surface. This base material is readily weldable.

CORC-g Solid steel
The material for and the hardening method applied to solid steel plates and liners are selected according to application and special requirements. A typical hardness is 50-55 HRc.

Corts Compount Steel
Main criteria when designing Rolling-Mills and Sintering Plants are:
  • Product Quality
  • Maximizing output
  • Profitability
Essential requirement needed to meet those criteria are:
  • Tight tolerances
  • Long service life
  • Value in use
and a maximized lifetime for all guiding elements.

Typically, the principle of guiding element design is HARD against SOFT
  • Bronze against steel
  • Cast iron against SAE/AISI 1045
  • Low alloyed steel against SAE/AISI 1045
The result: Engineered, defined wear of the softer guiding component with tolerances getting worse just from the start of service life.

Corts Bearing Technology gives elastic guiding - HARD against HARD
  • CORC-g Standard against CORC-g Standard
  • CORC-g Stainless against CORC-g Stainless
  • CORC-g Standard against CORC-g Stainless
The result: Minimal wear of both wearing components with long lasting stabile tolerances no significant wear for as long as possible.


Value in Use
CORTS Precision Flat Bearings for Rolling Mills
Main reasons for wear in rolling-mills are:
  • Impact Loads
  • Abrasion
  • Corrosion
Abrasive Wear is mainly caused by Friction and Scale. To combat abrasion, we recommend liners composed of CORC-g Standard - HARD against HARD.

Impact wear occurs from the transfer of Energy from the rolling action of the mill. The shock absorbing portion of CORTS Compound Steel protects the machined surfaces of the housings and chocks. The wear portion with its high hardness and tensile strength resists hammering and gauging caused by thrust forces.

Due to the influence in the work-roll and lower areas of high pressure cooling water in the lower areas of the housing, excessive corrosive conditions may occur.

Since hardness alone cannot prevent corrosion, we have developed our CORC-g Stainless Compound Steel which has proven very effective in the area of the pass line and below.

CORTS Heavy Duty Sealing System for Sinter Plants
Extreme resistance to wear and indentation is provided by the chemical composition and the high hardness of the sliding surface. An excellent, long lasting vacuum is guaranteed.

The high precision of CNC-produced CORTS Sinter-Rails ensures easy replacement.

Highly abrasive sintering dust creates a condition that greatly affects the profitability of a Sinter Plant.

CORTS Sinter-Rails, adopting the principle of Hard against Hard, considerably by strict wear resistance increases the service life time when compared to standard materials.



 
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