生产操作全部机械化、自动化、热处理绝氧淬火。
All production operations mechanization and automation, heat treatment must oxygen quenching.
其经预先退火得到全部铁素体组织，然后等温淬火得到铁素体和贝氏体双相组织的基体。
The ferrite is obtained first through annealing, then biphase structure of ferrite and bainite is obtained through isothermal quenching.
对于直径较细的工件，轧后立即淬火几乎可得到全部马氏体。
As for small diameter workpiece, martensite distribution can be obtained by immediately quenching.
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