Patents by Inventor Zongze Huang

Zongze Huang 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: 20240360538
    Abstract: Disclosed are a steel for a high-temperature carburized gear shaft and a manufacturing method for the steel. The steel for the high-temperature carburized gear shaft comprises the following chemical components in percentage by mass: 0.17-0.22% of C, 0.05-0.35% of Si, 0.80-1.40% of Mn, 0.010-0.035% of S, 0.80-1.40% of Cr, 0.020-0.046% of Al, 0.006-0.020% of N, 0.002-0.030% of Nb, V?0.02%, and Ti?0.01%. Also disclosed is a manufacturing method for the steel for the high-temperature carburized gear shaft, comprising the steps of: smelting and casting; heating; forging or rolling; and finishing. By reasonably controlling chemical element compositions of the steel, the steel for the gear shaft in the present invention can maintain proper austenite grain size and stability at high temperature, maintains 5-8 grades of the austenite grain size before and after the high-temperature vacuum carburizing at 940-1050° C.
    Type: Application
    Filed: April 19, 2022
    Publication date: October 31, 2024
    Applicant: BAOSHAN IRON & STEEL CO., LTD.
    Inventors: Sixin Zhao, Jiaqiang Gao, Zongze Huang
  • Publication number: 20240052470
    Abstract: Disclosed is a non-quenched and tempered round steel with high strength, high toughness and easy cutting, comprising the following chemical elements in percentage by mass: C: 0.36-0.45%, Si: 0.20-0.70%, Mn: 1.25-1.85%, Cr: 0.15-0.55%, Ni: 0.10-0.25%, Mo: 0.10-0.25%, Al: 0.02-0.05%, Nb: 0.001-0.040%, V: 0.10-0.25%, S: 0.02-0.06%, and the balance being Fe and inevitable impurities. Also disclosed is a method for manufacturing the non-quenched and tempered round steel, comprising the steps of: S1: smelting and casting; S2: heating; S3: forging or rolling; and S4: finishing. The non-quenched and tempered round steel with high strength, high toughness and easy cutting described above has high strength, good impact toughness, elongation and cross-sectional shrinkage, and has good cutting performance and fatigue resistance, and can be used in situations requiring a high-strength steel material, such as automobiles and engineering machinery.
    Type: Application
    Filed: January 12, 2022
    Publication date: February 15, 2024
    Inventors: Jiaqiang GAO, Sixin ZHAO, Zongze HUANG, Lin CHEN
  • Publication number: 20230295784
    Abstract: A high-strength and high-fatigue-life steel for a cable, which comprises, in addition to Fe, the following chemical elements in percentages by mass: 0.90-1.00% of C; 0.90-1.50% of Si; 0.25-0.58% of Mn; 0.20-1.00% of Cr; 0.03-0.12% of V; and 0.0008-0.0025% of Ca. In addition, further provided are a wire rod made of the high-strength and high-fatigue-life steel for a cable and a preparation method for the wire rod.
    Type: Application
    Filed: August 16, 2021
    Publication date: September 21, 2023
    Applicant: BAOSHAN IRON & STEEL CO., LTD.
    Inventors: Zan YAO, Feng JIN, Ziquan YU, Zongze HUANG, Sixin ZHXO, Haoyang ZHAO, Ruiyin ZHAI
  • Publication number: 20230175093
    Abstract: A process for smelting steel for ultrafine carborundum sawing wires, comprising: 1) in a vacuum induction furnace, using pure iron and low-phosphorus pig iron as raw materials to be melted into molten steel under the protection of argon; vacuumizing and smelting, and degassing; using silicon iron as a deoxidizer to adjust components of the molten steel; and casting a circular ingot in vacuum; 2) cleaning the surface of the circular ingot to produce an electrode bar; 3) remelting and smelting the electrode bar as raw material to a cylindrical electroslag ingot in an electroslag furnace, wherein the electroslag protecting slag comprises: CaF2: 45-55%, Al2O3: 15-25%, SiO2: 20-25%, Na2O: 2-4%, and K2O: 1-2%; 4) forging the electroslag ingot to a square billet; and 5) rolling the forged billet to a steel wire rod, and the steel wire rod comprising [C]: 0.92-1.1%, [Si]: 0.3-0.4%, [Mn]: 0.5-0.8%, [Al]<0.0008%, [N]<0.005%, [S]<0.01%, and [P]<0.015%.
    Type: Application
    Filed: April 29, 2021
    Publication date: June 8, 2023
    Applicant: BAOSHAN IRON & STEEL CO., LTD.
    Inventors: Yingtie XU, Zongze HUANG, Xiangjiang LIU, Genjie WAN, Yanfeng QI
  • Publication number: 20230094959
    Abstract: Disclosed are a steel with controlled steel ratio and a manufacturing method therefor. The steel comprises the following components in percentage by mass: C: 0.245-0.365%, Si: 0.10-0.80%, Mn: 0.20-2.00%, P:?0.015%, S:?0.003%, Cr: 0.20-2.50%, Mo: 0.10-0.90%, Nb: 0-0.08%, Ni: 2.30-4.20%, Cu: 0-0.30%, V: 0.01-0.13%, B: 0-0.0020%, Al: 0.01-0.06%, Ti: 0-0.05%, Ca:?0.004%, H:?0.0002%, N:?0.013%, O:?0.0020%, and the balance of Fe and inevitable impurities, wherein the components satisfy (8.57*C+1.12*Ni)?4.8% and 1.2%?(1.08*Mn+2.13*Cr)?5.6%. The steel has excellent low-temperature impact toughness and aging impact toughness at ?20° C. and ?40° C., a rationally controlled yield ratio, and ultra-high strength, ultra-high toughness, and ultra-high plasticity, which can be used in applications such as offshore platform mooring chains, mechanical structures, and automobiles that require high strength and toughness of the steel.
    Type: Application
    Filed: February 7, 2021
    Publication date: March 30, 2023
    Inventors: Sixin Zhao, Zongze Huang, Jiaqiang Gao, Jun Zhang
  • Patent number: 11441201
    Abstract: A sucker rod steel, a heat treatment process therefor, and a manufacturing method comprising the heat treatment process are provided. The sucker rod steel comprises, in mass percent, the following chemical elements: C: 0.10˜0.20%, Si: 0.40˜0.80%, Mn: 0.20˜0.60%, Mo: 0.36˜0.46%, Cr: 6.15˜7.10%, Al: 0.015˜0.035%, Nb: 0.02˜0.06%, and N: 0.008˜0.015%, with the balance being Fe and other inevitable impurities. The microstructure of the sucker rod steel is tempered martensite and nanoscale precipitates. The grain size is higher than grade 10, the tensile strength is 920˜1320 Mpa, and the AKU2 impact energy is greater than or equal to 180 J.
    Type: Grant
    Filed: August 25, 2017
    Date of Patent: September 13, 2022
    Assignee: BAOSHAN IRON & STEEL CO., LTD.
    Inventors: Xiangjiang Liu, Zongze Huang
  • Patent number: 11396682
    Abstract: A free-cutting and non-quenched and tempered steel, comprising the following chemical elements by mass percentages: C: 0.35-0.45%, Si: 0.45-0.0.65%, Mn: 1.35-1.65%, S: 0.025-0.065%, V: 0.07-0.15%, Ti: 0.01-0.018%, N: 0.012-0.017%, Al: 0.015-0.035%, Ca: 0.0008-0.0025%, with the remaining being iron and other unavoidable impurities, wherein the S and Ca elements satisfy the relationship S/Ca=20-60. A manufacturing method of the free-cutting and non-quenched and tempered steel, comprising the following steps: (1) smelting and refining; (2) casting; (3) rolling; (4) forging; and (5) two-stage cooling.
    Type: Grant
    Filed: June 11, 2018
    Date of Patent: July 26, 2022
    Assignee: BAOSHAN IRON & STEEL CO., LTD.
    Inventors: Dajiang Yu, Xijun Jiang, Zongze Huang, Rui Huang
  • Publication number: 20200095650
    Abstract: A free-cutting and non-quenched and tempered steel, comprising the following chemical elements by mass percentages: C: 0.35-0.45%, Si: 0.45-0.0.65%, Mn: 1.35-1.65%, S: 0.025-0.065%, V: 0.07-0.15%, Ti: 0.01-0.018%, N: 0.012-0.017%, Al: 0.015-0.035%, Ca: 0.0008-0.0025%, with the remaining being iron and other unavoidable impurities, wherein the S and Ca elements satisfy the relationship S/Ca=20-60. A manufacturing method of the free-cutting and non-quenched and tempered steel, comprising the following steps: (1) smelting and refining; (2) casting; (3) rolling; (4) forging; and (5) two-stage cooling.
    Type: Application
    Filed: June 11, 2018
    Publication date: March 26, 2020
    Applicant: BAOSHAN IRON & STEEL CO., LTD.
    Inventors: Dajiang YU, Xijun JIANG, Zongze HUANG, Rui HUANG
  • Publication number: 20190169706
    Abstract: A sucker rod steel, a heat treatment process therefor, and a manufacturing method comprising the heat treatment process are provided. The sucker rod steel comprises, in mass percent, the following chemical elements: C: 0.10˜0.20%, Si: 0.40˜0.80%, Mn: 0.20˜0.60%, Mo: 0.36˜0.46%, Cr: 6.15˜7.10%, Al: 0.015˜0.035%, Nb: 0.02˜0.06%, and N: 0.008˜0.015%, with the balance being Fe and other inevitable impurities. The microstructure of the sucker rod steel is tempered martensite and nanoscale precipitates. The grain size is higher than grade 10, the tensile strength is 920˜1320 Mpa, and the AKU2 impact energy is greater than or equal to 180 J.
    Type: Application
    Filed: August 25, 2017
    Publication date: June 6, 2019
    Inventors: Ziangjiang LIU, Zongze HUANG
  • Patent number: 9221178
    Abstract: A live working robot for replacing insulator string comprises four parts including a locating mechanism, a clamping mechanism, a transmission mechanism and working condition indicating lamps. The robot is supported to operate in a horizontal plane by an insulating pole. The robot is hung in a vertical plane to support operation by an insulating rope. The locating mechanism can grip a socket accurately, which can be indicated in place by a horizontally positioned lamp and a vertically positioned lamp. The clamping mechanism can clamp a W-pin for disassembling and assembling. The transmission mechanism can transmit the clamping mechanism to clamp, release, advance and retreat the clamp. Placement and clamping of the clamp can be indicated with a clamping position lamp and a limiting lamp. The live working robot can replace the insulator string without the need of power cut, is in simple structure, works reliably and accurately and is time and labor saving.
    Type: Grant
    Filed: November 5, 2012
    Date of Patent: December 29, 2015
    Assignees: SHANXI ELECTRIC POWER COMPANY TAIYUAN POWER SUPPLY COMPANY, STATE GRID CORPORATION OF CHINA, SHANXI GREAT WALL ELECTRICAL AND MECHANICAL RESEARCH INSTITUTE
    Inventors: Junliu Zhang, Zhiyong Chen, Nianjun Zhang, Zongze Huang, Jinping Wang, Xingyu Ma