Patents by Inventor Yuehui GUAN

Yuehui GUAN has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20220364199
    Abstract: A method for controlling carbide network in a bearing steel wire rod by controlling cooling and rolling, comprises the following steps: rapidly rolling a bar to a wire rod and spinning it into a loose coil, controlling the rolling temperature at 780° C.-880° C.; and the spinning temperature at 750° C.-850° C.; carrying out on-line controlling cooling of continuous loose coils using EDC water bath austempering cooling process, controlling the cooling rate at 2.0° C./s-10° C./s, and controlling the final cooling temperature within 620-630° C.; after EDC water bath austempering cooling, using slow cooling under a cover, and the temperature is controlled to be 400° C.-500° C. when being removed out of the cover; after slow cooling, collecting coils, and cooling in air to the room temperature.
    Type: Application
    Filed: November 8, 2019
    Publication date: November 17, 2022
    Applicants: JIANGYIN XINGCHENG GOLD MATERIALS CO., LTD, JIANGYIN XINGCHENG SPECIAL STEEL WORKS CO., LTD
    Inventors: Lin ZHANG, Jianfeng ZHANG, Changhe LU, Yuehui GUAN, Guozhong LI, Xiaohong XU, Yun BAI, Hao ZONG, Jiafeng HE, De CHEN, Zhen HUANG, Jia YANG