Patents by Inventor Pengwu ZHANG

Pengwu ZHANG 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: 20230125540
    Abstract: A tempering-free wear-resistant hot rolled strip, includes components in percentage by weight: 0.08-0.22% of C, 0.1-0.55% of Si, 0.8-1.5% of Mn, less than or equal to 0.012% of P, less than or equal to 0.005% of S, 0.01-0.055% of Als, 0.005-0.019% of Ti, and less than or equal to 0.007% of N. A method for producing the same includes: desulfurizing molten iron, smelting desulfurized molten iron, and casting into a blank; heating the casting blank; performing rough rolling; performing finish rolling; performing rapid cooling; performing coiling; and performing conventional temper rolling. According to the present disclosure, on the premise that the tensile strength of a steel plate is greater than or equal to 1100 MPa and the elongation is greater than or equal to 12%, the steel plate has a surface Brinell hardness of 330-390 and a core hardness that is 95% or above of the surface hardness.
    Type: Application
    Filed: December 21, 2022
    Publication date: April 27, 2023
    Applicant: WUHAN IRON AND STEEL COMPANY LIMITED
    Inventors: Yayuan HE, Jinqiao XU, Yang ZHANG, Pengwu ZHANG, Yue WANG, Yunyang YIN, Tangguo HU, Liwei LI, Haihe LUO, Bin LIU