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51CrV4 steel plate good heat treatment

51CrV4 steel plate is used for automobile and mechanical engineering parts, such as gear, pinion, shaft, etc. 51CrV4 steel plate has good heat treatable with a typical tensile strength of 900-1200 N/mm 2.
51CrV4 alloy carbon steel plate heat treatment

Forging or hot rolling

1050-850℃

Normalizing

870-900℃/air

Soft annealing

680-720℃/furnace

Hardening

820-860℃/oil

Tempering

540-680℃/air