Inconel 800 steel plate heat treatment guide

Solution Treatment: Inconel 800 steel plates need to be heated to 1050-1100℃ and held for 1-2 hours (time depends on thickness), followed by water quenching or rapid air cooling to ensure complete dissolution of carbides and homogenization of the microstructure.

Aging Treatment: For 800HT type, hold at 700-800℃ for 16 hours to promote the dispersed precipitation of the γ' phase and improve high-temperature creep resistance.

Process Key Points: After solution treatment, rapid cooling is necessary to inhibit the precipitation of harmful phases; aging treatment requires precise temperature control to avoid grain coarsening. For critical components, post-weld solution treatment can be used to relieve stress.