Patents Assigned to HEYE SPECIAL STEEL CO., LTD.
  • Powder metallurgy wear-resistant tool steel
    Patent number: 10385428
    Abstract: A powder metallurgy wear-resistant tool steel includes chemical components by mass percent of: V: 12.2%-16.2%, Nb: 1.1%-3.2%, C: 2.6%-4.0%, Si: ?2.0%, Mn: 0.2%-1.5%, Cr: 4.0%-5.6%, Mo: ?3.0%, W: 0.1%-1.0%, Co: 0.05%-0.5%, N: 0.05%-0.7%, with balance iron and impurities; wherein a carbide component of the powder metallurgy wear-resistant tool steel is an MX carbide with a NaCl type face-centered cubic lattice structure; wherein an M element of the MX carbide comprises V and Nb, and an X element comprises C and N.
    Type: Grant
    Filed: September 30, 2015
    Date of Patent: August 20, 2019
    Assignees: HEYE SPECIAL STEEL CO., LTD, ADVANCED TECHNOLOGY & MATERIALS CO., LTD
    Inventors: Xiaoming Li, Lizhi Wu, Hailin Zhong, Xuebing Wang, Chunjiang Kuang, Yucheng Fang
  • Spray-formed high-speed steel
    Patent number: 10233519
    Abstract: A spray-formed high-speed steel includes chemical components by mass percent of: C: 0.85-1.65%, Si: 0.1-1.2%, Cr: 3.5-8.0%, W: 4.0-6.5%, Mo: 4.5-7.0%, V: 1.0-4.0%, Co: 1.0-8.0%, Mn: 0.2-0.8%, and Nb: 0.2-3.5%, with balance of iron and impurities.
    Type: Grant
    Filed: September 30, 2015
    Date of Patent: March 19, 2019
    Assignees: HEYE SPECIAL STEEL CO., LTD., ADVANCED TECHNOLOGY&MATERIALS CO., LTD.
    Inventors: Lizhi Wu, Xiaoming Li, Yunfeng Yang, Chunjiang Kuang, Dongmei Xin, Liqing Shao, Yucheng Fang