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2021-08-16Steel plate quenching and tempering production line... -
2021-08-11Oil drill pipe quenching and tempering production line... -
【Quenching and tempering production line】 Special steel long bar induction heating and quenching production line2021-08-11This project is independently developed and manufactured by Luoyang Songdao Induction Heating Technology Co., Ltd. The quenching and heat treatment production line consists of two parts: quenching and... -
2019-10-22Drill pipe intermediate frequency quenching equipment quenching temperature: 850 °C ~ 950 °C Tempering temperature: 550 °C ~ 650 °C, the overall tempering temperature difference ≤ ± 5 °C ... -
【Quenching and tempering production line】 Making spring medium frequency induction heating equipment2019-10-22Making spring medium frequency induction heating equipment...