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1. 发明申请

WO2010002103A3 METHOD AND FACILITY FOR REMOVING SCALE FROM HOT ROLLED STEEL SHEET 审中-公开
标题翻译：从热轧钢板上移除规模的方法和设备
公开(公告)号：WO2010002103A3
公开(公告)日：2010-02-25
申请号：PCT/KR2009002642
申请日：2009-05-19
申请人： POSCO , JIN YOUNG-SOOL , KIM TAE-CHUL , CHO SOO-HYOUN , JEONG KEE-JO , LEE YOUNG-KI
发明人： JIN YOUNG-SOOL , KIM TAE-CHUL , CHO SOO-HYOUN , JEONG KEE-JO , LEE YOUNG-KI
IPC分类号： B21B45/04
CPC分类号： B21B45/06 , Y10T29/4517 , Y10T29/4567
摘要： The present invention concerns a method and facility which continuously removes scale from a hot rolled carbon steel sheet using a physical method. The objective of the present invention is to provide the method and facility which is capable of sufficiently removing scale from the hot rolled carbon steel sheet and securing excellent surficial roughness of the hot rolled carbon steel sheet as well. The present invention is a method for continuously removing scale from the hot rolled carbon steel sheet which comprises: a cracking step for cracking the scale on the hot rolled carbon steel sheet, a short-blasting step for removing the scale by short-blasting the cracked scale, a steel sheet deformation step for weakening the bond between the scale remaining after short-blasting and the hot rolled steel sheet and deforming the hot rolled steel sheet in order to form surficial roughness therein, and a polishing step for polishing the deformed hot rolled steel sheet. According to the present invention, the method and facility are capable of resolving the problem in the conventional pickling process and regulating the surficial roughness and improving surficial quality according to processing purpose of a user. Furthermore, defective products caused by production line delays can be reduced.
摘要翻译：本发明涉及一种使用物理方法从热轧碳钢板连续地去除氧化皮的方法和设备。本发明的目的是提供一种能够从热轧碳素钢片上充分去除氧化皮的方法和设备，并确保热轧碳素钢板的表面粗糙度。本发明是一种从热轧碳素钢板上连续除去氧化皮的方法，其特征在于，包括：使热轧碳素钢板上的氧化皮破裂的裂纹工序，通过短裂纹裂开来除去氧化皮的短喷射工序钢板变形步骤，用于削弱短时间喷涂后剩余的氧化皮与热轧钢板之间的粘结并使热轧钢板变形以形成表面粗糙度;以及抛光步骤，用于抛光变形的热轧钢板。根据本发明，该方法和设备能够解决常规酸洗过程中的问题，并根据用户的加工目的调节表面粗糙度和改善表面质量。此外，可以减少由生产线延迟引起的缺陷产品。

2. 发明申请

WO2011155768A3 DESCALING APPARATUS 审中-公开
标题翻译：装卸设备
公开(公告)号：WO2011155768A3
公开(公告)日：2012-04-19
申请号：PCT/KR2011004201
申请日：2011-06-08
申请人： POSCO , CHO SOO-HYOUN , KIM TAE-CHUL , JIN YOUNG-SOOL
发明人： CHO SOO-HYOUN , KIM TAE-CHUL , JIN YOUNG-SOOL
IPC分类号： B21B45/06 , B24C3/22
CPC分类号： B24C3/32 , B21B45/06 , B21B45/08 , B24C1/086 , B24C3/08 , B24C7/0076 , B24C7/0084
摘要： The present invention relates to a descaling apparatus for effectively removing scales formed on surfaces of hot-rolled steel strips (steel sheets). An embodiment of the descaling apparatus of the present invention comprises: a housing arranged on a hot-rolled steel strip transfer path; high pressure fluid supply means arranged in the housing to supply by injecting a high pressure fluid into the housing; abrasive material injection means arranged in the housing to inject an abrasive material into the housing; and abrasive slurry spray means arranged in the housing to spray, onto the hot-rolled steel strips, abrasive slurry of the high pressure fluid and the abrasive material mixed in the housing. According to the present invention, physical (mechanical) descaling is implemented, scale treatment processes are simplified, and surface roughness of the hot-rolled steel strips can be maintained at an appropriate level, thus enabling eco-friendly and high efficiency descaling. Particularly, the apparatus of the present invention can be applied to hot-rolled steel strip treatment process being performed at high speed.
摘要翻译：本发明涉及一种有效去除热轧钢带（钢板）表面形成的鳞屑的除锈装置。本发明的除垢装置的一个实施例包括：设置在热轧钢带传送路径上的壳体; 高压流体供给装置，其布置在所述壳体中以通过将高压流体注入到所述壳体中来供应; 磨料注入装置，布置在壳体中以将研磨材料注入到壳体中; 以及布置在壳体中的研磨浆料喷射装置，以将热压钢带上的高压流体和混合在壳体中的研磨材料的研磨浆料喷射到热轧钢带上。根据本发明，实现了物理（机械）去氧化皮，简化了刻度处理工艺，并且可以将热轧钢带的表面粗糙度保持在适当的水平，从而实现环保和高效除垢。特别地，本发明的装置可以应用于高速进行的热轧钢带处理工艺。

3. 发明申请

WO2012091319A3 ALUMINUM COATED STEEL SHEET HAVING EXCELLENT OXIDATION RESISTANCE AND HEAT RESISTANCE 审中-公开
标题翻译：具有优良耐氧化性和耐热性的铝涂层钢板
公开(公告)号：WO2012091319A3
公开(公告)日：2012-09-13
申请号：PCT/KR2011009512
申请日：2011-12-09
申请人： POSCO , POSCO COATED & COLOR STEEL CO LTD , BAE DAE-CHUL , LIM TAE-HUN , JIN YOUNG-SOOL
发明人： BAE DAE-CHUL , LIM TAE-HUN , JIN YOUNG-SOOL
IPC分类号： C23C2/12 , C22C38/00
CPC分类号： B32B15/012 , C22C38/001 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/08 , C22C38/12 , C22C38/16 , C23C2/02 , C23C2/12
摘要： Provided is an aluminum coated steel sheet having excellent oxidation and heat resistance. The aluminum coated steel sheet includes an aluminum coating layer and an alloy layer. The aluminum coating layer is formed on a surface of a steel sheet which includes 0.001 to 0.015 wt% of carbon (C), 0.05 to 0.3 wt% of silicon (Si), 0.1 to 0.6 wt% of manganese (Mn), 0.01 to 0.05 wt% niobium (Nb), 0.01 wt% or less of phosphorus (P), 0.01 wt% or less of sulfur (S), 0.1 wt% or less of soluble aluminum (Al), 0.05 to 0.5 wt% of copper (Cu), 0.05 to 0.5 wt% nickel (Ni), 0.001 to 0.01 wt% of nitrogen (N), and the balance of Fe and inevitable impurities. The alloy layer includes an intermetallic compound at an interface between the steel sheet and the aluminum coating layer.
摘要翻译：提供具有优异的氧化和耐热性的铝涂层钢板。该铝涂层钢板包括铝涂层和合金层。所述铝被覆层形成于含有碳（C）为0.001〜0.015重量％，硅（Si）为0.05〜0.3重量％，锰（Mn）为0.1〜0.6重量％，碳量为0.01〜 0.05重量％的铌（Nb），0.01重量％或更少的磷（P），0.01重量％或更少的硫（S），0.1重量％或更少的可溶性铝（Al），0.05-0.5重量％的铜 Cu），0.05-0.5重量％的镍（Ni），0.001-0.01重量％的氮（N）以及余量的Fe和不可避免的杂质。合金层在钢板和铝涂层之间的界面处包括金属间化合物。

4. 发明申请

WO2012091385A3 HIGH CORROSION RESISTANT HOT DIP ZN ALLOY PLATED STEEL SHEET AND METHOD OF MANUFACTURING THE SAME 审中-公开
标题翻译：高耐蚀热浸镀锌合金钢板及其制造方法
公开(公告)号：WO2012091385A3
公开(公告)日：2012-09-13
申请号：PCT/KR2011010099
申请日：2011-12-26
申请人： POSCO , KIM SANG-HEON , JIN YOUNG-SOOL , OH MIN-SUK , KIM SU-YOUNG , YOO BONG-HWAN
发明人： KIM SANG-HEON , JIN YOUNG-SOOL , OH MIN-SUK , KIM SU-YOUNG , YOO BONG-HWAN
IPC分类号： C23C2/06 , C23C2/16 , C25D11/36
CPC分类号： B32B15/013 , C23C2/06 , C23C2/20 , C23C2/26 , C23C2/28 , Y10T428/12535 , Y10T428/12799 , Y10T428/12972 , Y10T428/12979 , Y10T428/12993 , Y10T428/27
摘要： Provided is a hot dip zinc (Zn) alloy plated steel sheet having excellent corrosion resistance and surface qualities, and a method of manufacturing the same. For this purpose, the present invention provides a high corrosion resistant hot dip Zn alloy plated steel sheet which includes an underlying steel sheet and a hot dip Zn alloy plating layer, wherein a composition of the hot dip Zn alloy plating layer includes 1 to 3 wt% of aluminum (Al), 1.5 to 4.0 wt% of magnesium (Mg), and Zn and avoidable impurities as a remainder, in which Al + Mg is in a range of 2.5 to 7.0 wt% and Al:(Al + Mg) is in a range of 0.38 to 0.48, and a method of manufacturing the high corrosion resistant hot dip Zn alloy plated steel sheet.
摘要翻译：本发明提供耐蚀性和表面品质优异的热镀锌（Zn）合金镀层钢板及其制造方法。为此目的，本发明提供了一种高抗腐蚀热镀Zn合金镀层钢板，其包括下层钢板和热浸锌合金镀层，其中热浸锌合金镀层的组成包括1至3wt％（Al + Mg）为1.5〜4.0重量％，作为余量的Zn和剩余可避免杂质，其中，Al + Mg为2.5〜7.0重量％在0.38〜0.48的范围内的高耐蚀性热镀Zn合金镀层钢板的制造方法。

5. 发明申请

WO2014104428A8 SURFACE TREATMENT COMPOSITION FOR GALVANIZED STEEL SHEET, SURFACE TREATMENT METHOD FOR GALVANIZED STEEL SHEET, AND GALVANISED STEEL SHEET 审中-公开
标题翻译：镀锌钢板表面处理组合物，钢化钢板表面处理方法及镀锌钢板
公开(公告)号：WO2014104428A8
公开(公告)日：2014-12-11
申请号：PCT/KR2012011664
申请日：2012-12-28
申请人： POSCO
发明人： KIM HYUN-TAE , JIN YOUNG-SOOL
IPC分类号： C23C22/06 , C23C2/06 , C23C22/40
CPC分类号： C09D5/08 , C22C18/00 , C22C18/04 , C23C2/06 , C23C2/26 , C23C18/1216 , C23C18/122 , C23C18/1241 , C23C22/40 , C23C22/42 , C23C2222/20 , C25D5/48 , C25D7/0614 , Y10T428/12569
摘要： Provided are: a surface-treatment composition for galvanised steel sheet, the composition comprising, with respect to 100 parts by weight of solution as a whole, between 3.0 and 25.0 parts by weight of a silane compound, between 0.5 and 5.0 parts by weight of a molybdenum compound, between 0.5 and 5.0 parts by weight of a vanadium compound, between 0.1 and 3.0 parts by weight of a nickel compound, between 0.05 and 1.0 part by weight of a copper compound and a balance of solvent; a method of surface treating a galvanised steel sheet by means of the surface-treatment composition; and a surface-treated galvanised steel sheet. The present invention makes it possible to provide a galvanised steel sheet in which corrosion resistance, blackening resistance, hot-water resistance and electrical conductivity are ensured, without the risk of additional equipment installation problems, increased production cost problems and environmental pollution problems for the purpose of chrome treatment.
摘要翻译：本发明提供：镀锌钢板用表面处理组合物，其组合物相对于100重量份的溶液为3.0〜25.0重量份，硅烷化合物为0.5〜5.0重量份， 0.5〜5.0重量份的钒化合物，0.1〜3.0重量份的镍化合物，0.05〜1.0重量份的铜化合物和余量的溶剂; 通过表面处理组合物对镀锌钢板进行表面处理的方法; 和表面处理镀锌钢板。本发明使得可以提供一种其中确保耐腐蚀性，耐黑变性，耐热水性和导电性的镀锌钢板，而不存在额外的设备安装问题，增加的生产成本问题和目的的环境污染问题的风险的铬处理。

6. 发明申请

WO2014017805A1 MOLTEN ZINC ALLOY PLATED STEEL STRIP HAVING EXCELLENT CORROSION RESISTANCE AND EXTERNAL SURFACE AND METHOD FOR MANUFACTURING SAME 审中-公开
标题翻译：具有优异的耐腐蚀性和外表面的金属合金镀锌钢带及其制造方法
公开(公告)号：WO2014017805A1
公开(公告)日：2014-01-30
申请号：PCT/KR2013006589
申请日：2013-07-23
申请人： POSCO
发明人： OH MIN-SUK , JIN YOUNG-SOOL , KIM SANG-HEON , KIM SU-YOUNG , YOO BONG-HWAN
IPC分类号： C23C2/06 , C23C2/16
CPC分类号： C23C2/06 , C22C18/00 , C22C18/04 , C23C2/16 , C23C2/20 , C23C2/28 , Y10T428/12799
摘要： The present invention relates to a molten zinc alloy plated steel strip which is widely used in vehicles, domestic appliances, construction materials or the like and a method for manufacturing the same. In the present invention, a Zn-Al-Mg molten zinc alloy plating bath is used for manufacturing the molten zinc alloy plated steel strip, and a small amount of Ga or In is added to the plating bath for inhibiting an oxidation reaction of Mg in the plating bath so as to obtain excellent corrosion resistance and external surface of the plated steel strip which is manufactured at this point.
摘要翻译：本发明涉及广泛用于车辆，家用电器，建筑材料等的熔融锌合金镀覆钢带及其制造方法。在本发明中，使用Zn-Al-Mg熔融锌合金电镀浴来制造熔融锌合金镀覆钢带，并且在镀浴中加入少量的Ga或In，以抑制Mg的氧化反应电镀浴，以获得优异的耐腐蚀性和在此制造的镀覆钢带的外表面。

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