The rate of Heating / Cooling to be considered.
Approximately 250 Deg Celsius per hour for Carbon steel.
Regards
V.Kingsly Geo
On Mon, 10 Oct 2022 at 10:26, Muhammed Aaftab Khan Pathan <aaftab.khan2222@gmail.com> wrote:
Soaking time 6 hours + 1 hr heating time + 1 hr cooling time = 8 hours total PWHT Cycle time.--On Sat, 8 Oct 2022, 14:15 Student, <nabeel233@gmail.com> wrote:The following is an exam question. Please guide how to do itA one and Half inch of material has to be PWHTed from 600 F to 1350 and shall be kept at 1350 F for 6 hours. It has to be cooled down back to 600 F. If the rate of heating and cooling is 500F per hour per inch , what is the total time for PWHT. Do not consider heating the material up to 600F in the calculation--
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