国产黄色免费在线_免费A级毛片无码免费视频1_在线播放免费毛片a视频_成人av在线播放_免费毛片直播在线_另类欧美极品videosbest_中文字幕wWw日本_国产午夜亚洲精品无码_九九手机免费看电影_日韩欧美精选亚洲另类

Contact
CN/EN
CN EN
TOP
Salt quenching heat treatment

Salt quenching heat treatment:The salt quenching and heat treatment parts are produced by intelligent controlled atmosphere roller bottom quenching and tempering automatic production line. They are electrically heated and quenched in a closed nitrate tank. The nitrate salt cleaning solution can be returned to the quenching tank for reuse after being separated by brine. Achieve zero discharge of salt and be green. Full computer automatic control, salt bath cooling speed adjustable, good hardenability, good surface quality, small heat treatment deformation, suitable for thin wall and medium and large bearing ring heat treatment, product quality is stable, low energy consumption, no pollution ,high productivity.