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1. 发明专利

JP2012172183A Si-CONTAINING COLD ROLLED STEEL SHEET, PRODUCTION METHOD THEREFOR AND AUTOMOBILE MEMBER 有权
标题翻译：含Si的冷轧钢板，其制造方法及汽车零部件
公开(公告)号：JP2012172183A
公开(公告)日：2012-09-10
申请号：JP2011034388
申请日：2011-02-21
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： MASUOKA HIROYUKI , ANDO SATOSHI , YAMAMOTO TOSHIHIRO
IPC分类号： C22C38/00 , B21B3/00 , C21D9/46 , C22C38/06 , C22C38/58 , C23F17/00 , C23G1/08 , C25F1/00
CPC分类号： C23G1/00 , C23G1/08 , C23G1/081
摘要： PROBLEM TO BE SOLVED: To provide an Si-containing cold rolled steel sheet superior in chemical convertibility, and corrosion-resistance after being coated, and an advantageous production method therefor and an automobile member using the Si-containing cold rolled steel sheet.SOLUTION: Steel material containing, by mass, 0.5-3.0% Si and preferably further containing 0.01-0.30% C, 1.0-7.5% Mn, ≤0.05% P, ≤0.01% S and ≤0.06% Al, is cold rolled, then is continuously annealed. The resulting cold rolled steel sheet is electrolytically pickled using hydrochloric acid having a concentration of preferably 50-300 g/L to remove the Si-containing oxide layer on the surface layer of the steel sheet and thereafter, is pickled again with non-oxidizing acid to reduce the surface covering ratio of iron-based oxide on the steel sheet surface to ≤40%.
摘要翻译：解决问题：提供优异的化学可转换性和涂布后的耐腐蚀性的含Si冷轧钢板及其有利的制造方法以及使用含Si冷轧钢板的汽车部件。解决方案：含有质量为0.5-3.0％Si，优选进一步含有0.01-0.30％C，1.0-7.5％Mn，≤0.05％P，≤0.01％S和≤0.06％Al的钢材料是冷的轧制，然后连续退火。使用浓度优选为50〜300g / L的盐酸对得到的冷轧钢板进行电解酸化，除去钢板的表面层上的含Si氧化物层，然后用非氧化酸再次酸洗将钢板表面的铁基氧化物的表面覆盖率降低至≤40％。版权所有（C）2012，JPO＆INPIT

2. 发明专利

JP2011001610A Steel sheet excellent in delayed fracture resistance, and method for producing the same 有权
$Steel sheet excellent in delayed fracture resistance, and method for producing the same$
标题翻译：延迟耐断裂性优异的钢板及其制造方法
公开(公告)号：JP2011001610A
公开(公告)日：2011-01-06
申请号：JP2009146431
申请日：2009-06-19
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： OTSUKA SHINJI , NAKAMARU HIROKI , OI TOSHIHIKO , MASUOKA HIROYUKI
IPC分类号： C23C10/28 , C21D9/46 , C22C19/03 , C22C38/00 , C22C38/04
摘要： PROBLEM TO BE SOLVED: To provide a high tensile strength steel sheet with a tensile strength of ≥1,180 MPa, which has excellent delayed fracture resistance, and is suitable for an automobile field and building materials by forming a diffusion region of Ni or an Ni-based alloy on the surface of a steel sheet.SOLUTION: In the method for producing a high tensile strength steel sheet, Ni or an Ni-based alloy of 10 to 2,000 mg/mper side is stuck to a cold rolled steel sheet having a tensile strength of ≥1,180 MPa by well-known various methods such as an electroplating method, an electroless plating method and a deposition method, and heating treatment is performed so as to diffuse Ni into the steel sheet. The steel sheet is produced by the method.
摘要翻译：要解决的问题：提供抗拉强度≥1,180MPa的耐拉伸强度高的钢板，具有优异的延迟断裂性，并且适用于汽车领域和建筑材料，通过形成Ni或Ni- 在高强度钢板的制造方法中，将具有10〜2000mg / mper侧的Ni或Ni基合金粘合到具有拉伸强度的冷轧钢板通过电镀法，无电镀法，沉积法等众所周知的各种方法进行强度≥1,180MPa的加强处理，从而使Ni向钢板中扩散。通过该方法制造钢板。

3. 发明专利

JP2010236027A High-strength hot dip galvanized steel sheet excellent in formability 有权
标题翻译：高强度热镀锌钢板优异的可加工性
公开(公告)号：JP2010236027A
公开(公告)日：2010-10-21
申请号：JP2009085594
申请日：2009-03-31
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： MASUOKA HIROYUKI , KANEKO SHINJIRO , SUGIMOTO YOSHIHARU , TADA MASAHIKO , HOSHINO KATSUYA , MAKISUI YOICHI , YOSHIMI NAOTO , NAKAGAITO TATSUYA
IPC分类号： C22C38/00 , C21D9/46 , C22C38/38 , C22C38/58 , C23C2/06 , C23C2/26 , C23C2/40
摘要： PROBLEM TO BE SOLVED: To provide a high-strength hot dip galvanized steel sheet excellent in formability, which has a TS (Tensile Strength) of ≥780 MPa and also has excellent elongation El, and has a TS×EL of ≥18,000.
SOLUTION: A hot dip galvanized layer is provided on a steel sheet which has a component composition containing, by mass%, C: 0.03-0.15%, Si: 0.8-2.5%, Mn: 1.0-3.0%, P: 0.001-0.05%, S: 0.0001-0.01%, Al: 0.001-0.1%, N: 0.0005-0.01% and Cr: 0.1-2.0%, with the balance comprising Fe and inevitable impurities, and has a microstructure containing, by an area ratio, 50% or more of a ferritic phase and 10% or more of a martensitic phase. Further, on the surface of the hot dip galvanized layer, 3Zn(OH)2*ZnSO4*3-5H2O is formed in an average thickness of 10 nm or more.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了提供优异的成型性的高强度热浸镀锌钢板，其TS（拉伸强度）≥780MPa，并且还具有优异的伸长率E1，TS×EL为≥ 18,000。解决方案：在钢板上设置热浸镀锌层，其组成成分按C：0.03〜0.15％，Si：0.8〜2.5％，Mn：1.0〜3.0％，P： 0.001-0.05％，S：0.0001-0.01％，Al：0.001-0.1％，N：0.0005-0.01％，Cr：0.1〜2.0％，余量由Fe和不可避免的杂质组成， 50％以上的铁素体相和10％以上的马氏体相。此外，在热镀锌层的表面上形成平均厚度为10nm以上的3Zn（OH）2 * ZnSO 4 * 3-5H 2 O。版权所有（C）2011，JPO＆INPIT

4. 发明专利

JP2010121181A Steel plate for hot press working 有权
标题翻译：用于热压工作的钢板
公开(公告)号：JP2010121181A
公开(公告)日：2010-06-03
申请号：JP2008296200
申请日：2008-11-20
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： OTSUKA SHINJI , MASUOKA HIROYUKI , OI TOSHIHIKO , NAKAMARU HIROKI
IPC分类号： C23C26/00 , B21D22/20
摘要： PROBLEM TO BE SOLVED: To provide a steel plate for hot press working having excellent productivity. SOLUTION: A Zn-Ni plating is, for example, executed and the emissivity of a surface of a steel plate is changed to be ≥0.3. By increasing the emissivity of the surface of the steel plate, the temperature-rising rate of the steel plate is increased, and the in-furnace time is considerably reduced. By reducing the in-furnace time in which the steel plate is inserted in a heating furnace, the productivity is improved. The favorable range of the emissivity of the surface of the steel plate is ≥0.5. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供具有优异生产率的热压加工用钢板。解决方案：例如，执行Zn-Ni电镀，并且将钢板的表面的发射率改变为≥0.3。通过提高钢板的表面的发射率，钢板的升温速度增加，炉内时间显着降低。通过将钢板插入加热炉中的炉内时间减少，生产率提高。钢板表面发射率的有利范围≥0.5。版权所有（C）2010，JPO＆INPIT

5. 发明专利

JP2010090462A Plated steel sheet to be hot-press-formed, and method for manufacturing the same 有权
标题翻译：热压成型钢板及其制造方法
公开(公告)号：JP2010090462A
公开(公告)日：2010-04-22
申请号：JP2008263887
申请日：2008-10-10
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： MASUOKA HIROYUKI , NAKAMARU HIROKI , OI TOSHIHIKO , OTSUKA SHINJI
IPC分类号： C23C22/06
摘要： PROBLEM TO BE SOLVED: To provide a plated steel sheet to be hot-press-formed which has superior oxidation resistance. SOLUTION: This manufacturing method includes: bringing the plated steel sheet into contact with an acidic solution containing Ti ions; holding the plated steel sheet for 1-90 seconds after the contact treatment; and then washing the plated steel sheet with water and drying the plated steel sheet to form an oxide layer having an average thickness of 10 nm or more on the surface of the plated steel sheet. When containing the Ti ions, the acidic solution preferably contains at least one or more compounds among sulfate, nitrate, chloride and phosphate of Ti, in a range of 0.1-100 g/l by Ti ion concentration. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供具有优异的抗氧化性的热压成型的镀覆钢板。解决方案：该制造方法包括：使镀覆钢板与含有Ti离子的酸性溶液接触; 在接触处理后保持电镀钢板1-90秒; 然后用水洗涤镀覆钢板并干燥镀覆钢板，以在镀覆钢板的表面上形成平均厚度为10nm以上的氧化物层。当含有Ti离子时，酸性溶液优选在Ti的硫酸盐，硝酸盐，氯化物和磷酸盐中含有至少一种或多种化合物，其浓度为0.1-100g / l。版权所有（C）2010，JPO＆INPIT

6. 发明专利

JP2009235433A Hot-dip galvanized steel sheet and its manufacturing process 有权
标题翻译：热镀锌钢板及其制造工艺
公开(公告)号：JP2009235433A
公开(公告)日：2009-10-15
申请号：JP2008079395
申请日：2008-03-26
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： MASUOKA HIROYUKI , MAKISUI YOICHI , YOSHIMI NAOTO
IPC分类号： C23C22/53 , C23C28/00
摘要： PROBLEM TO BE SOLVED: To provide a method for consistently manufacturing a hot-dip galvanized steel sheet having excellent press-forming property in a short time, and the hot-dip galvanized steel sheet having excellent press-forming property. SOLUTION: In the manufacturing method of the hot-dip galvanized steel sheet, the hot-dip galvanized steel sheet is brought into contact with a solution, and kept for 1-60 seconds to form an oxide layer on the surface of the hot-dip galvanized steel sheet by executing the water rinsing and drying, wherein zinc ions (the preferable concentration thereof is 0.01-0.30 mol/l) and urea (the preferable concentration thereof is 0.01-0.30 mol/l), are contained in the solution. The pH of the solution is 1-6, and the temperature of the solution is 20-70°C. The oxide layer having the average thickness of ≥10 nm mainly containing zinc is formed on the surface of the hot-dip galvanized steel sheet. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种在短时间内持续制造具有优异的压制成形性的热浸镀锌钢板的方法，以及具有优异的压制成型性能的热浸镀锌钢板。解决方案：在热浸镀锌钢板的制造方法中，使热浸镀锌钢板与溶液接触，并保持1-60秒，以在该表面上形成氧化物层通过进行水洗和干燥，其中锌离子（优选浓度为0.01-0.30mol / l）和尿素（优选浓度为0.01-0.30mol / l）包含在热浸镀锌钢板中解。溶液的pH值为1-6，溶液的温度为20-70℃。在热浸镀锌钢板的表面上形成主要含有锌的平均厚度≥10nm的氧化物层。版权所有（C）2010，JPO＆INPIT

7. 发明专利

JP2012188693A Si-CONTAINING COLD-ROLLED STEEL SHEET, METHOD FOR MANUFACTURING THE SAME AND AUTOMOBILE MEMBER 有权
标题翻译：含Si的冷轧钢板，其制造方法和汽车成员
公开(公告)号：JP2012188693A
公开(公告)日：2012-10-04
申请号：JP2011052396
申请日：2011-03-10
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： MASUOKA HIROYUKI , ANDO SATOSHI , YAMAMOTO TOSHIHIRO
IPC分类号： C25D5/36 , C21D9/46 , C22C38/00 , C22C38/02 , C22C38/58 , C23F17/00 , C23G1/08 , C25D5/26
CPC分类号： C23G1/00 , C23G1/08 , C23G1/081 , C23G1/085 , C23G1/086
摘要： PROBLEM TO BE SOLVED: To provide an Si-containing cold-rolled steel sheet excellent in chemical conversion processability and corrosion resistance after coating, an advantageous method for manufacturing the same, and an automobile member using the Si-containing cold-rolled steel sheet.SOLUTION: The method for manufacturing the Si-containing cold-rolled steel sheet comprises: pickling a cold-rolled, continuously annealed steel sheet, preferably using a pickling solution obtained by mixing nitric acid and hydrochloric acid or that obtained by mixing nitric acid and hydrofluoric acid, thereby removing an Si-containing oxide layer formed on a surface layer of the steel sheet and reducing a surface coverage ratio of iron oxides formed on the surface layer of the steel sheet to ≤40%, wherein the steel sheet comprises 0.5-3.0 mass% Si and preferably further comprises 0.01-0.30 mass% C, 1.0-7.5 mass% Mn, ≤0.05 mass% P, ≤0.01 mass% S and ≤0.06 mass% Al; and carrying out an electrolysis treatment in an Ni-containing aqueous solution, thereby depositing Ni at a range of 1-100 mg/mon the surface of the steel sheet.
摘要翻译：要解决的问题：提供一种在涂覆后的化学转化加工性和耐腐蚀性优异的含Si冷轧钢板，其制造方法，以及使用含Si冷轧的汽车部件钢板。＆lt; P＆gt;解决方案：含Si冷轧钢板的制造方法包括：对冷轧连续退火钢板进行酸洗，优选使用通过混合硝酸和盐酸得到的酸洗液或通过混合硝酸酸和氢氟酸，从而除去形成在钢板的表面层上的含Si氧化物层，并将形成在钢板表面的铁氧化物的表面覆盖率降低至≤40％，其中钢板包括 0.5-3.0质量％的Si，优选进一步含有0.01-0.30质量％的C，1.0-7.5质量％的Mn，≤0.05质量％的P，≤0.01质量％的S和≤0.06质量％的Al; 并且在含镍水溶液中进行电解处理，从而在钢板表面上以1-100mg / m 2的范围沉积Ni。版权所有（C）2013，JPO＆INPIT

8. 发明专利

JP2012172181A Si-CONTAINING HOT-ROLLED STEEL SHEET, METHOD FOR MANUFACTURING THE SAME, AND AUTOMOBILE MEMBER 有权
标题翻译：含Si的热轧钢板，其制造方法和汽车成员
公开(公告)号：JP2012172181A
公开(公告)日：2012-09-10
申请号：JP2011034375
申请日：2011-02-21
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： MASUOKA HIROYUKI , ANDO SATOSHI , YAMAMOTO TOSHIHIRO
IPC分类号： C23G1/08 , B21B3/00 , C21D9/46 , C22C38/00 , C22C38/02 , C22C38/58
CPC分类号： C23G1/00 , C22C38/02 , C23G1/081 , C23G1/085
摘要： PROBLEM TO BE SOLVED: To provide an Si-containing hot rolled steel sheet excellent in corrosion resistance after coating as well as chemical conversion treatment properties, to provide a method for advantageously manufacturing the same, and to provide an automobile member using the Si-containing hot-rolled steel sheet.SOLUTION: A steel sheet after hot rolling, which includes 0.5-3.0 mass% of Si, preferably, which further includes C: 0.01-0.30 mass%, Mn: 1.0-7.5 mass%, P: 0.05 mass% or less, S: 0.01 mass% or less and Al: 0.06 mass% or less, is pickled to remove an Si-containing oxide layer on the surface of the steel sheet, and then re-pickled using a non-oxidizing acid, preferably, any acid of hydrochloric acid with concentration of 0.1-50 g/L, sulfuric acid with 0.1-150 g/L, and a mixture of hydrochloric acid with 0.1-20 g/L and sulfuric acid with 0.1-60 g/L to reduce the surface coverage of an iron-based oxide on the surface of the steel plate to 40% or less.
摘要翻译：待解决的问题：为了提供涂覆后耐腐蚀性优异的含Si热轧钢板以及化学转化处理性能，提供一种有利于其制造方法，并提供一种使用含Si热轧钢板。＆lt;解决方案＆gt;热轧后的钢板，其含有0.5〜3.0质量％的Si，优选进一步包含C：0.01〜0.30质量％，Mn：1.0〜7.5质量％，P：0.05质量％以下，S：0.01质量％以下，Al：0.06质量％以下，除去钢板表面的含Si氧化物层，然后使用非氧化性酸，优选任意浓度为0.1-50g / L的盐酸酸，0.1-150g / L的硫酸，0.1-20g / L的盐酸和0.1-60g / L的硫酸的混合物，以减少钢板表面的铁基氧化物的表面覆盖率为40％以下。版权所有（C）2012，JPO＆INPIT

9. 发明专利

JP2012132093A Method for manufacturing cold-rolled steel sheet, cold-rolled steel sheet, and automobile member 有权
标题翻译：制造冷轧钢板，冷轧钢板和汽车零部件的方法
公开(公告)号：JP2012132093A
公开(公告)日：2012-07-12
申请号：JP2011177865
申请日：2011-08-16
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： MASUOKA HIROYUKI , YAMAMOTO TOSHIHIRO , ANDO SATOSHI
IPC分类号： C23G1/08 , C21D9/46 , C22C38/00 , C22C38/02 , C22C38/58
CPC分类号： C23G1/085 , B21B3/02 , C21D8/0205 , C21D8/0226 , C21D8/0236 , C21D8/0273 , C21D9/46 , C22C38/00 , C22C38/001 , C22C38/002 , C22C38/005 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/12 , C22C38/14 , C22C38/16 , C22C38/22 , C22C38/32 , C22C38/34 , C22C38/38 , C23G1/00 , C23G1/08 , Y10T428/265
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing a cold-rolled steel sheet exhibiting excellent chemical conversion processability and excellent corrosion resistance after coating in harsh corrosive environments such as in a warm salt water immersion test or a compound cyclic corrosion test; a cold rolled steel sheet manufactured by the method; and automobile members prepared using the cold-rolled steel sheet.SOLUTION: The cold-rolled steel sheet containing 0.5 to 3.0 mass% of Si and subjected to continuous annealing after being cold-rolled is pickled using a pickling solution obtained by mixing hydrochloric acid and nitric acid, the nitric acid concentration being over 100 g/L and 200 g/L or less and the ratio R (HCl/HNO) of hydrochloric acid concentration to nitric acid concentration being 0.01 to 0.25, to remove an Si-containing oxide on the surface layer of the steel sheet formed by continuous annealing; thereby restricting, to ≤85%, the surface coverage of an iron-based oxide formed on the surface of the steel sheet by the pickling, and preferably restricting, to ≤200 nm, the maximum thickness of the iron-based oxide.
摘要翻译：要解决的问题：提供一种在苛刻的腐蚀性环境例如在温盐水浸渍试验或复合循环腐蚀试验中表现出优异的化学转化加工性和优异的耐腐蚀性的冷轧钢板的制造方法 ; 通过该方法制造的冷轧钢板; 以及使用冷轧钢板制造的汽车部件。解决方案：将含有0.5〜3.0质量％的Si并进行冷轧后的连续退火的冷轧钢板，使用通过混合盐酸和硝酸得到的酸洗液酸洗，硝酸浓度结束 100g / L和200g / L以下，盐酸浓度对硝酸浓度的比R（HCl / HNO 3 ）为0.01〜0.25，除去Si 通过连续退火形成的钢板的表层上含有氧化物; 从而通过酸洗将钢板表面形成的铁基氧化物的表面覆盖率限制在≤85％，优选将铁基氧化物的最大厚度限制在≤200nm。版权所有（C）2012，JPO＆INPIT

10. 发明专利

JP2011117037A Hot-pressed member and method for manufacturing the same 有权
标题翻译：热压构件及其制造方法
公开(公告)号：JP2011117037A
公开(公告)日：2011-06-16
申请号：JP2009275413
申请日：2009-12-03
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： NAKAJIMA SEIJI , NAKAMARU HIROKI , MIYOSHI TATSUYA , MASUOKA HIROYUKI
IPC分类号： C23C28/00 , B21D22/20
摘要： PROBLEM TO BE SOLVED: To provide a hot-pressed member capable of reliably obtaining excellent coating adhesiveness and a method for manufacturing the same.
SOLUTION: In the hot-pressed member, an Al-Fe alloy layer, an Si-containing layer, and a ZnO layer are provided in this order on the surface of a steel sheet constituting the member.
COPYRIGHT: (C)2011,JPO&INPIT

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