This standard specifies the heat treatment equipment for vacuum low pressure carburizing high pressure gas quenching with double chamber structure and the absolute pressure of high-pressure gas quenching reaching 2 MPa, as well as the technical requirements for process, quality control and inspection, safety and health, environmental protection, etc.
This standard is applicable to the heat treatment process of vacuum low pressure carburizing high pressure gas quenching of steel parts with acetylene, propane and other hydrocarbyl gases as carburizing medium.
定价: 588元 / 折扣价: 500 元 加购物车
This standard specifies methods of examination and evaluation level of metallographic microstructure for carburizing,quenching and tempering of steel parts,and the determination of effective hardening layer depth for carburizing and quenching of steel parts.
This standard is applicable to the workpieces with an effective hardening layer depth greater than 0.3 mm for carburizinging and quenching steel parts.
定价: 588元 / 折扣价: 500 元 加购物车