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Patented (2) Piece Dynamic Classifier Blade System

Extended Service Life Over Original System and Easier Maintenance

The original OEM one piece blade design was cumbersome and unsafe to install. The SAS Patented Two Piece Dynamic Classifier Blade System was engineered to be easy and safe to install and will outlast the original blades by 2 or 3 times. One customer estimates their total per year savings on one classifier at over $1,000,000.00. They currently have (2) SAS Global Patented Two Piece Blade Systems installed for a total savings of over 2 Million Dollars per year!

Advantages of the SAS Two Piece Classifier Blade System:

  • Quick and easy installation completed in (1) shift rather than (7) plus shifts
  • Extended life of 2 to 3 times that of the original system
  • Upper section made of Vanguard Premium Alloy Wear Plate
  • Lower section is overlaid on both sides with SA1750CR Premium Chromium Carbide
  • Blades can be rotated or replaced in one outage
  • Installation/maintenance time savings alone justified retrofitting the original system
  • Savings in the MILLIONS based on labor and reduced component costs
SAS Patented 2 Piece Dynamic Classifier System


SAS Patented 2 Piece Dynamic Classifier System


SA2000® is a specially formulated complex carbide overlay plate designed to generate a high concentration of small primary carbides greatly improving wear resistance over conventional chromium carbide alloys. The refined microstructure containing harder complex carbides provides greater wear resistance and improved toughness. The inert refractory carbides present also increase the temperature resistance and corrosion resistance. Up to double the service life of standard chromium carbide overlay plate.

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SA1750CR® is a Premium Chromium Carbide Overlay Plate consisting of a Hypereutectic Matrix with 50-60% Chromium Carbides metallurgically fused to an appropriate steel substrate. This large amount of hard chromium carbides allows SA1750CR to thrive in environments of extremely high abrasion.

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SA6000® is the new future of overlay wear plate.  The patented microstructure of SA6000 is highly refined with tightly packed complex carbides. This fine grain microstructure reduces the propagation of cracks, which results in not only superior protection from abrasion, but also unheard of impact resistance! 

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SA-MCCTM was developed to satisfy the various application needs of our customers. SA-MCC Multiple Complex Overlays can be custom blended to provide material characteristics needed for specific wear resistivity.  For example, if the application requires increased impact resistance and temperature rating, the blend of complex carbides would have higher levels of Molybdenum and Niobium.

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SAS Global Engineers a smooth surface finish on all SureAlloy® Premium Weld Overlay Products. The standard SureAlloy® surface finish can be blanchard ground to provide an even lower coefficient of friction for applications with heavy material hang-up issues. This premium surface is known as RapidFlow® Premium Surface Carbide Overlay Plate. The surface is ground and polished to a 0.2 Ra Micro-Meters finish. This finish is smoother than a stainless steel 304 with 2B finish.

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