Rotelloy 3

Rotelloy 3 is an iron-cobalt-vanadium soft magnetic alloy which exhibits high magnetic saturation (24 kilogauss), high D.C. maximum permeability, low D.C. coercive force, and low A.C. core loss. This alloy is produced in strip form only and complies with the requirements of ASTM A801. Rotelloy 3 alloy is used primarily for rotor and stator laminations stamped or cut from cold rolled strip.

Type Analysis

  • Carbon (Nominal) 0.01
  • Silicon (Nominal) 0.05
  • Manganese (Nominal) 0.05
  • Cobalt (Nominal) 49
  • Iron (Nominal) Balance
  • Columbium/Niobium 0.05
  • Vanadium (Nominal) 2

Applications

aircraft generator rotor and stator laminations

Applicable Specifications

  • ASTM A801

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