haodiaocao这里只有精品一,男人午夜网站,国产免费插插插,国产精品欧美激情在线播放,国产成人aa在线视频,国产情侣自拍网站,狠狠色丁香婷婷

Successful Trial Rolling of 16MnCr5 in Steel Mill of Xingtai Steel
  Updatetime:2019-04-03 Hits: 545

  Recently, the steel mill of Xingtai Steel successfully rolled steel 16MnCr5 and has produced two furnaces as planned.

  Because this kind of steel is customized and it is only used to produce valve tappet, the production process should be stricter and the quality standard should be higher. To ensure the first production run smoothly, the steel mill did a lot of preparation, from the material to personnel training. At the same time, the factory and technicians made a lot of communication and reached an agreement. During the production process, technicians conducted all the time. The chemical composition of molten steel and its production process were controlled stably, and all the control requirements reached the expectation.

  This Successful Trial Rolling of 16MnCr5 accumulated rich experience for producing high-end automotive steel and laid a foundation for the continuous improvement of high-end product quality.