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  • Users: tpdaniel
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  1. tpdaniel

    Fluidides bed sand clumping

    Hi there, Could any one suggest as to why does clumping of sand occurs in fluidised beds ? we get good results from carburising & Q&T 's. we got new retort new diffuse & sand, all three month old we got 16 grit above diffuser about three inches high and 120 grit just under flue exit.(Furnace...
  2. tpdaniel

    4330 Heat treat

    Can some body help me with the holding time in austenising stage as well as tempering. I read an article which you guys recommend for 11 inch bar,Feb 2011 The heat treatment process of this heat of material, 11'' OD: Hardened 1600F 7.0 Hours Oil Quenched Tempered...

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