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Message No. 22316, Started by dzl13 on 09/18/14

I work for an oil and gas co and we have WC components that require heating, repair and then obviously cooling.  currently the compoennt is heated to 1000F, repaired and then set aside and force air cooled via a large industrial fan until the temp is comfortable to touch.  Parts are then painted and out the door.  The question is the forced air cooling.  The compoents are very large carbide parts with 4140 steel cores. Given the heat cycle I see the thermal expansion rates between the 2 materials as well as the oposite sides of  the carbide being and issue with material integrity.  We have had cracking and breakage issues in the past.  Any ideas or experience is welcome


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