Patents Assigned to Baoshan Iron & Steel Co., Ltd.
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Patent number: 11968766Abstract: An induction heating system for a silicon steel core with a self-adhesive coating that includes an induction heating device having a columnar induction heating coil with a hollow cavity that carries out induction heating on a silicon steel plate at a medium frequency of 6-20 KHz. By rapid induction heating at a medium frequency, a silicon steel core with a self-adhesive coating can be rapidly cured, thereby greatly shortening the processing time, improving production efficiency, and facilitating automated operation in the production of a silicon steel core with a self-adhesive coating. The system also ensures the quality of the cured core products that can be widely applied in the field of the production of silicon steel cores with a self-adhesive coating.Type: GrantFiled: August 2, 2019Date of Patent: April 23, 2024Assignee: BAOSHAN IRON & STEEL CO. LTD.Inventors: Xiaoli Jin, Dengfeng Li, Yueming Zhou, Bo Wang, Guobao Li
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Publication number: 20240093342Abstract: Disclosed in the present invention is an aluminum plated steel sheet, comprising a substrate and a plating layer on the surface of the substrate. The microstructure of the plating layer comprises a Mg2Si phase and an AlMgSiFe phase; and an average grain diameter of the Mg2Si phase is 0.001-5 ?m. The present invention can alleviate the problem of melting-induced roller sticking and hydrogen embrittlement risk in a thermoforming process of the aluminum plated steel sheet. The present invention further provides a manufacturing method for the aluminum plated steel sheet, and a thermoformed component and a manufacturing method therefor.Type: ApplicationFiled: December 23, 2021Publication date: March 21, 2024Applicant: BAOSHAN IRON & STEEL CO., LTD.Inventors: Ning TAN, Hao LIU, Xinyan JIN
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Publication number: 20240071661Abstract: A manufacturing method for low-magnetostrictive oriented silicon steel is provided, wherein the oriented silicon steel comprises a silicon steel substrate and an insulating coating on the surface of the silicon steel substrate. The manufacturing method comprises: performing single-sided laser etching on the silicon steel substrate, wherein the side of the silicon steel substrate, on which single-sided laser etching is performed, is a first surface, and the side opposite to the first surface is a second surface; determining a deflection difference between the first surface and the second surface based on the power of the laser etching, and determining a difference in the amount of the insulating coatings on the first surface and the second surface based on the deflection difference; and forming insulating coatings on the first surface and the second surface.Type: ApplicationFiled: January 11, 2022Publication date: February 29, 2024Applicant: BAOSHAN IRON & STEEL CO., LTD.Inventors: Meihong WU, Guobao LI, Shuangjie CHU, Zipeng ZHAO, Baojun LIU, Kanyi SHEN, Yongjie YANG, Zhuochao HU, Yaming JI, Chen LING
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Publication number: 20240063319Abstract: The present invention provides a coated steel plate suitable for an inline thin-film photovoltaic module, comprising a steel substrate and a composite insulating layer on the surface of the steel substrate. The composite insulating layer comprises an insulating base layer and a laser scribing buffer layer; one side of the insulating base layer is the steel substrate, and the other side is the laser scribing buffer layer. The laser scribing buffer layer contains at least one of the following components: SixNy, where 0.75?x:y?1; and Si1-x?(R)x?Oy?, where R is an element selected from Sb, Au, Cu, Sn, and Ag, and 0<x??0.05, 1.9?y??2.Type: ApplicationFiled: December 1, 2021Publication date: February 22, 2024Applicant: BAOSHAN IRON & STEEL CO., LTD.Inventors: Wenqi FANG, Zhaohui QIAO, Yigang DAI
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Publication number: 20240044751Abstract: Provided are a sampling probe and a sampling probe automatic separation device, and a use method thereof. The sampling probe comprises a probe tail area (1) and a probe sampling area (2) connected to the top of the probe tail area (1). The probe sampling area (2) comprises a two-piece mold housing component (3) and a sample (4) disposed inside the two-piece mold housing component (3). The two-piece mold housing component (3) is wound and fixed by means of an adhesive tape capable of burning and melting. The automatic separation device comprises a cutting device (5) for cutting a sampling probe, and an inclined bottom plate. The front end of the inclined bottom plate is placed close to the cutting device (5). The inclined bottom plate gradually inclines downwards from the front end to the rear end.Type: ApplicationFiled: February 18, 2022Publication date: February 8, 2024Applicant: BAOSHAN IRON & STEEL CO., LTD.Inventors: Ye DING, Ruimin WU, Changhong YE, Chen SHEN
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Patent number: 11891318Abstract: A method and apparatus for direct drying of inorganic sludge with a drum drawing process, comprising the following steps: 1) drum mixed drying of slag and sludge: respectively conveying the slag and sludge into a drum (1) in proportion, completing mixing, heat exchange, dehydration, cooling and crushing of the slag and sludge under the rolling action of the drum (1) and a steel ball to achieve cooling, crushing and drying of the slag and sludge, and directly discharging the obtained mixture; 2) slag and sludge separation: separating the steel slag and dry sludge in a manner of combining screening and rotary separation; 3) tail gas treatment: treating dusts, sulfides and organic compounds in tail gas generated by the dry sludge by using wet alkali washing and activated carbon adsorption, and discharging the treated tail gas; and 4) tailing sludge treatment: generating steam and dusts in the drum treatment of the slag and sludge, allowing dusts to enter a tail gas treatment device (4) with steam, aggregating thType: GrantFiled: September 26, 2019Date of Patent: February 6, 2024Assignee: BAOSHAN IRON & STEEL CO., LTD.Inventors: Yingjie Wang, Yongli Xiao, Yongqian Li
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Patent number: 11891674Abstract: Disclosed are a high-strength multiphase steel tinned raw plate and a manufacturing method therefor, wherein the mass percentages of the components of the multiphase steel tinned raw plate are: 0.081%-0.14% of C, 0.2%-0.8% of Mn, 0.01%-0.09% of Al, 0.01%-0.03% of P, 0.002%-0.015% of N, also containing one or more than one of 0.001%-0.005% of B, 0.005%-0.05% of Cr, 0.001%-0.1% of Ti, 0.001%-0.2% of Nb, 0.005%-0.03% of Cu, 0.001%-0.008% of Mo, and the balance of Fe and other inevitable impurities; and satisfy: 0.21%?Mn+1.3 Cr+3.2 Mo+0.5 Cu?0.91%. The tinned raw plate has a structure comprising ferrite grains, pearlite, martensite and cementite particles, wherein the total volume fraction of the pearlite, martensite and cementite particles is 5%-20%, the volume fraction of the martensite is 1%-5%, and the martensite has a solid solution content of carbon of ?0.07%.Type: GrantFiled: August 28, 2018Date of Patent: February 6, 2024Assignee: BAOSHAN IRON & STEEL CO., LTD.Inventors: Fuliang Lian, Gaofei Liang, Hongxing Chen, Shunli Zhao, Bijun Ban, Xiujun Li, Gang Xu
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Patent number: 11872614Abstract: An emulsion flow optimization method suitable for a cold continuous rolling mill that aims to achieve vibration suppression. The method aims to suppress vibrations by an oil film thickness model and a friction coefficient model. An optimum set value of the emulsion flow rate for each rolling stand that aims to achieve vibration suppression is optimized on the basis of an over-lubrication film thickness critical value and an under-lubrication film thickness critical value that are proposed. The method greatly reduces the incidence of rolling mill vibration defects, improves production efficiency and product quality, treats rolling mill vibration defects, and improves the surface quality and rolling process stability of a finished strip of a cold continuous rolling mill.Type: GrantFiled: July 24, 2019Date of Patent: January 16, 2024Assignee: BAOSHAN IRON & STEEL CO., LTD.Inventors: Kangjian Wang, Peilei Qu
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Publication number: 20240011112Abstract: The present invention discloses a Cu-containing non-oriented electrical steel plate having high cleanliness, comprising the following chemical elements in percentage by mass: 0<C?0.003%; Si: 0.1-2.0%; Mn: 0.1-0.55%; S: 0-0.004%; Cu: 0.003-0.2%; Al: 0.1-1.0%; and the balance being Fe and inevitable impurities. In addition, the present invention further discloses a continuous annealing process for the Cu-containing non-oriented electrical steel plate having high cleanliness. Moreover, the present invention further discloses a manufacturing method for Cu-containing non-oriented electrical steel plate having high cleanliness, including the steps of: smelting and casting; hot rolling; normalizing; cold rolling; performing the continuous annealing process; and applying an insulation coating to obtain a finished non-oriented electrical steel plate. The Cu-containing non-oriented electrical steel plate having high-cleanliness is high in cleanliness and excellent in magnetic performance.Type: ApplicationFiled: August 26, 2020Publication date: January 11, 2024Applicant: BAOSHAN IRON & STEEL CO., LTDInventors: Feng ZHANG, Bo WANG, Kanyi SHEN, Baojun LIU, Guobao LI, Shuangjie CHU
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Publication number: 20230416883Abstract: The present invention discloses a non-oriented electrical steel plate, comprising the following chemical elements in percentage by mass: 0<C?0.003%; Si: 1.6-3.4%; Mn: 0.1-1.2%; S?0.003%; Al: 0.1-3.0%; Sn: 0.005-0.2%; Ca: 0.0005-0.01%; O?0.003%; N?0.003%; and the balance being Fe and inevitable impurities. In addition, the present invention further discloses a manufacturing method for the above non-oriented electrical steel plate, including the steps of: smelting and casting; hot rolling; intermediate annealing; cold rolling; continuous annealing; and applying an insulation coating to obtain a finished non-oriented electrical steel plate. The non-oriented electrical steel plate is excellent in magnetic property.Type: ApplicationFiled: August 26, 2020Publication date: December 28, 2023Applicant: BAOSHAN IRON & STEEL CO., LTDInventors: Shuangjie CHU, Guobao LI, Feng ZHANG, Zhicheng WANG, Kanyi SHEN, Baojun LIU
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Patent number: 11833777Abstract: Disclosed in the present invention is a high-strength double-sided stainless steel clad sheet, including a substrate layer, and stainless steel clad layers clad-rolled on double sides of the substrate layer. The substrate layer consists, in mass percent, the chemical elements: C: 0.03-0.12%, 0<Si?0.30%, Mn: 0.2-1.0%, Al: 0.02-0.04%, Ti: 0.01-0.03%, Nb: 0.005-0.020%, and N: 0.003-0.006%, with the balance being iron and other inevitable impurities. Also disclosed in the present invention is a manufacturing method for the high-strength double-sided stainless steel clad sheet, including the steps of: (1) obtaining the substrate layer and the stainless steel clad layer; (2) billet making; (3) clad-rolling; and (4) solution annealing and pickling treatment: controlling the solution temperature to be 950-1020° C., and then cooling down to room temperature at an average cooling rate of 20-50° C./s.Type: GrantFiled: May 15, 2019Date of Patent: December 5, 2023Assignee: BAOSHAN IRON & STEEL CO., LTD.Inventors: Zhiyu Wang, Sihai Jiao, Shaoming Qiang, Huawei Zhang
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Patent number: 11813707Abstract: A metallurgical technology probe insertion calibration method employing visual measurement and an insertion system thereof are provided. A vision sensor (5), a cylindrical rod (1), and a metallurgical technology probe (2) are used to construct an agreed region (6). In the agreed region (6), the vision sensor (5) acquires relative positions and orientations of the cylindrical rod (1) and the metallurgical technology probe (2), and an acquired position and orientation result is used to control a driving device (3) to insert the cylindrical rod (1) into the metallurgical technology probe (2). To improve the accuracy and reliability of the insertion, a standard probe (7) and a fixing device (4) are used together to perform effective calibration on an initial position, orientation, and axis in the insertion.Type: GrantFiled: September 12, 2019Date of Patent: November 14, 2023Assignee: BAOSHAN IRON & STEEL CO., LTD.Inventors: Zhenhong Wei, Ruimin Wu, Xitao Song, Changhong Ye, Junjiang Liu, Guodong Xu
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Publication number: 20230357882Abstract: GPa-grade bainite steel having an ultra-high yield ratio, containing, in addition to Fe, the following chemical elements in mass percentages: 0.12-0.24% of C; 0.2-0.5% of Si; 1.3-2.0% of Mn; 0.001-0.004% of B; 0.01-0.05% of Al; and at least one of Cr, Nb, Ti, and Mo, wherein Cr?0.4%, Nb?0.06%, Ti?0.1%, and Mo?0.4%. Also disclosed are a manufacturing method and annealing process for the steel.Type: ApplicationFiled: August 26, 2021Publication date: November 9, 2023Applicant: BAOSHAN IRON & STEEL CO., LTD.Inventors: Hanlong ZHANG, Yulong ZHANG, Chunsu LIU, Xinyan JIN
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Publication number: 20230340657Abstract: Disclosed in the present invention is a vacuum coating device for uniformly distributing metal steam by using a guide plate type structure. The vacuum coating device comprises a crucible, wherein an induction heater for heating molten metal in the crucible to form metal steam is arranged outside of the crucible. A top of the crucible is connected to a flow distribution tank body by means of a metal steam pipeline. A horizontal core rod and a pressure stabilizing plate are arranged inside the flow distribution tank body. The core rod is located below the pressure stabilizing plate. A coating nozzle is arranged at the top of the flow distribution tank body. An induction coil is arranged on the outer side of the flow distribution tank body. A pressure regulating valve is arranged on the metal steam pipeline.Type: ApplicationFiled: July 21, 2021Publication date: October 26, 2023Applicant: BAOSHAN IRON & STEEL CO., LTD.Inventors: Sanbing REN, Shanqing LI, Junfei FAN, Fei XIONG, Xiaoli JIN
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Patent number: 11788167Abstract: The device and method for manufacturing metal clad strip continuously provided by the present invention, combines casting, rolling and heat treatment used for the single material manufacture with the continuous and large-scale manufacture method for the clad strip, greatly improves the productivity of clad strip. The present invention can be used for manufacturing single-sided or double-sided clad strips with different thickness specifications, wherein the base layer material or the clad layer material can be selected in a wide range, including carbon steel, stainless steel, special alloy steel, titanium, copper and the like. In the present application, continuous casting and rolling clad strip is implemented, which decrease the energy consumption and costs.Type: GrantFiled: January 14, 2019Date of Patent: October 17, 2023Assignee: Baoshan Iron & Steel Co., Ltd.Inventors: Qingfeng Zhang, Sihai Jiao
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Publication number: 20230323502Abstract: A 980 MPa-grade full-bainite ultra-high hole expansion steel and a manufacturing method therefor. The hole expansion steel has the following chemical compositions in percentage by weight: 0.05-0.10% of C, Si?2.0%, 1.0-2.0% of Mn, P?0.02%, S?0.003%, 0.02-0.08% of Al, N?0.004%, 0.1-0.5% of Mo, 0.01-0.05% of Ti, O?0.0030%, the remainder being Fe, and other inevitable impurities. The ultra-high hole expansion steel in the present invention has yield strength ?800 MPa, tensile strength ?980 MPa, and a hole expansion rate up to 60% or more, and can be applied in the parts of chassis components such as a control arm and an auxiliary frame, which require high strength thinning and complex forming, of passenger vehicles.Type: ApplicationFiled: August 30, 2021Publication date: October 12, 2023Applicant: BAOSHAN IRON & STEEL CO., LTD.Inventors: Huanrong WANG, Feng YANG, Chen ZHANG, Ana YANG, Yaping NI
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Publication number: 20230323526Abstract: Disclosed in the present invention is vacuum coating apparatus for uniformly distributing metal steam using a uniform mixing buffer structure, comprising a crucible, wherein an induction heater for heating molten metal in the crucible to form metal steam is arranged outside of the crucible. A top of the crucible is connected to a flow distribution tank body by means of a metal steam pipeline. A horizontal core rod and a pressure stabilizing plate are arranged inside the flow distribution tank body. The core rod is located below the pressure stabilizing plate. A coating nozzle is arranged at the top of the flow distribution tank body. An induction coil is arranged on the outer side of the flow distribution tank body. A pressure regulating valve is arranged on the metal steam pipeline.Type: ApplicationFiled: July 21, 2021Publication date: October 12, 2023Applicant: BAOSHAN IRON & STEEL CO., LTD.Inventors: Sanbing REN, Fei XIONG, Junfei FAN, Yueming ZHOU, Shanqing LI
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Publication number: 20230323500Abstract: A 780 MPa-grade ultra-high reaming steel having high surface quality and high performance stability, and a manufacturing method therefor. The ultra-high reaming steel comprises the following components in percentage by weight: 0.03-0.08% of C, Si?0.2%, 0.5-2.0% of Mn, P?0.02%, S?0.003%, 0.01-0.08% of Al, N?0.004%, 0.05-0.20% of Ti, 0.1-0.5% of Mo, Mg?0.005%, O?0.0030%, and the remainder being Fe and other inevitable impurities.Type: ApplicationFiled: August 30, 2021Publication date: October 12, 2023Applicant: BAOSHAN IRON & STEEL CO., LTD.Inventors: Huanrong WANG, Feng YANG, Chen ZHANG, Ana YANG, Mingzhou BAI, Yaping NI, Ming WANG
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Patent number: 11779975Abstract: Disclosed is a method of emulsion concentration optimization for a cold continuous rolling mill set for achieving vibration suppression, the method comprising: defining the process parameters involved in the process of emulsion concentration optimization; setting an initial set value of an emulsion concentration comprehensive optimization target function for a cold continuous rolling mill set for achieving vibration suppression; calculating a bite angle of each stand; calculating a vibration determination index reference value of each stand; setting the emulsion concentration of each stand; calculating the outlet temperature of a strip steel of each stand; calculating the dynamic viscosity of an emulsion in a roll gap of each stand; calculating the oil film thickness in the roll gap of each stand; calculating the emulsion concentration comprehensive optimization target function; determining whether the inequation F(X)<F0 is established; determining whether the concentration of the emulsion exceeds a feasibType: GrantFiled: August 16, 2019Date of Patent: October 10, 2023Assignee: BAOSHAN IRON & STEEL CO., LTD.Inventors: Tao Zheng, Kangjian Wang, Shanqing Li, Jizhe Quan, Peilei Qu
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Publication number: 20230313332Abstract: A low-carbon martensitic high hole expansion steel with a tensile strength above 980 MPa, and a manufacturing method therefor, the weight percentage of the chemical components thereof being: C 0.03-0.10%, Si 0.5-2.0%, Mn 1.0-2.0%, P?0.02%, S?0.003%, Al 0.02-0.08%, N?0.004%, Mo 0.1-0.5%, Ti 0.01-0.05%, and O?0.0030%, and the remainder being Fe and other inevitable impurities. The high hole expansion steel of the present invention has a yield strength of ?800 MPa and tensile strength of ?980 MPa, a lateral extension rate A50?8%, and a hole expansion ratio of ?30%, passes cold bending performance tests (d?4a, 180°), and can be used for passenger car chassis parts that require high strength and thinning such as control arms and sub-frames.Type: ApplicationFiled: August 30, 2021Publication date: October 5, 2023Applicant: BAOSHAN IRON & STEEL CO., LTD.Inventors: Huanrong WANG, Feng YANG, Chen ZHANG, Ana YANG, Yaping NI, Ming WANG, Mingzhou BAI