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Recommended Products Crushing Applications

Procedures for Hardfacing Crushing Equipment

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CRUSHING, GRINDING & PULVERIZING

 

Possible                                                    Semi-Automatic
Application                                              Possible Choices                                               

Cage Crusher                                           2834-SPL

Cage Crusher Pins                                   2834-SPL

Clinker Grinding Rolls                               2820-SPL  2834-SPL

Crusher Hammers

            Build-Up                                        2850-FCO 2865-FCO

            Overlay                                          2820-SPL  2834-SPL

Crusher Jaws

            Build-Up                                        2850-FCO

            Overlay                                          2820-SPL  2834-SPL

Crusher Roll Shells

            Build-Up                                        2850-FCO 2865-FCO

            Overlay                                          2820-SPL  2834-SPL

 

Gyratory Crushers

      Crusher Concaves and Cones

            Build-Up                                        2850-FCO 2865-FCO

            Overlay                                          2820-SPL  2834-SPL

      Crossheads                                        2832-SPL  2820-SPL

      Mantles                                                2834-SPL

Hammermill Rotary Discs

            Build-Up                                        2850-FCO 2865-FCO

            Overlay                                          2820-SPL  2834-SPL

 

Pulverizing Hammers

            Build-Up                                        2850-FCO 2865-FCO

            Overlay                                          2820-SPL  2834-SPL

Pulverizing Mill Rolls and Rings                2834-SPL

Rotor Type Impact Crushers

      Rotors and Impeller Bars

            Build-up                                         2850-FCO 2865-FCO

            Overlay                                          2820-SPL  2834-SPL

      Grizzley Bars

            Build-Up                                        2850-FCO 2865-FCO

            Overlay                                          2820-SPL  2834-SPL

      Stripper Bars

            Build-Up                                        2850-FCO 2865-FCO

            Overlay                                          2820-SPL  2834-SPL

      Vertical Deflector Screen Grates

            Build-Up                                        2850-FCO 2865-FCO

            Overlay                                          2820-SPL  2834-SPL

 

Gravel Washer Auger Flights                   2836-SPL  2832-SPL  2829-SPL

 

Recommendation - The hardface used should be chosen based on the material crushed and action of the part.  With hard, readily friable material (granite, quartz, etc.) and low to moderate impact, hardface with 2834-SPL.  With softer, tougher  materials (clay, limestone, etc) or if high impact forces, hardface with 2820-SPL. 

If a manganese part is to be repaired repeatedly, applying two layers of chrome-manganese first (Postalloy 2865-FCO) can be very beneficial.  It will act as a insulator to the original base metal, in helping it keep below 500°F.

 

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