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  1. glj1017

    microstructure

    Q&T SAE 1085 on a belt furnace. Been getting non-resolvable pearlite in the as-quenched structure. Some details: Part is 0.5" OD x 3.5" L. Pic shown is core at high mag, pearlite starts around mid radius. Cycle: Soak at 1550F for 1 hour then quench in 130F oil Have been using same oil type...
  2. glj1017

    HT warping

    Thanks so much for your responses. Looked into it and restraining them is more expensive than scrapping them. The parts are hand placed on belt in single layer, quench at 250f. These parts have always warped, current scrap rate is signficant. They are processed at 24" per minute (11 minutes...
  3. glj1017

    HT warping

    Have a very thin inner race stamped from 1075 and 90 degree lip cold worked. Material is sperodize prior to being stamped and then sent for q&t by an outside heat treater on a continuous belt. Been having warping issues. Question: would getting the stamped and formed part REsphereodized or...

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