This standard specifies the relevant terminology, material selection, processing equipment, technology and quality control requirements for gear quenching and tempering. This standard applies to the preliminary quenching and tempering heat treatment and final quenching and tempering treatment of forged steel and cast steel gears.
JB/T 6077-1992 history
1992JB/T 6077-1992 Hardening and tempering process for gears and quality control