Purpose: Used for the annealing of batches of small and medium mechanical parts, specially for the isothermalspheroidizing annealing of bearing RACES.
用途：适用于批量性中小型机械零件的退火工艺，特别是轴承内、外圈的等到温球化退火。
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The spheroidizing grow, in isothermalspheroidizing process, of carbides formed from deformation under high temperature in, hypoeutectic white cast iron is studied.