Delivery status of FH420 steel plate: TMCP, TMCP-T, tempering, normalizing, tempering, annealing and quenching, etc.
Normalizing: heat the FH420 steel plate to a suitable temperature for cooling in the air.
Tempering: FH420 steel plate shall be kept at an appropriate temperature for a long time before cooling.
Annealing: FH420 steel plate is heated to proper temperature according to the material and specifications of the heating time and then slowly cooled.
Quenching: the FH420 steel plate is heated and kept warm in water, oil or other inorganic salts and other media for rapid cooling.
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