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1. 发明专利

JP2008161915A Method of applying lubricant on mandrel bar, method of controlling film thickness of lubricant on mandrel bar, and method of manufacturing seamless steel tube 有权
标题翻译：润滑剂在人造棒上的应用方法，控制带钢润滑剂膜厚度的方法及制造无缝钢管的方法
公开(公告)号：JP2008161915A
公开(公告)日：2008-07-17
申请号：JP2006354658
申请日：2006-12-28
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： SAITO KENICHI , IIDA SUMIO
IPC分类号： B21B25/04 , B21B17/02
CPC分类号： B21B25/04 , B21B3/02 , B21B19/04 , B21B23/00
摘要： PROBLEM TO BE SOLVED: To provide a stably high-quality seamless steel tube capable of preventing occurrence of seizing marks and internal flaws.
SOLUTION: In the method of applying a lubricant on a mandrel bar, the film thickness of the lubricant is decided from a predetermined master curve of the amount of mica and the film thickness of the lubricant when applying a nongraphitic lubricant composed of, by mass, the oxide layered compound of 10-70% and baric acid of 30-90% to a mandrel bar. In the method of manufacturing the seamless steel tube, the seamless steel tube is manufactured by using the mandrel bar on which the lubricant is applied by the method.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够防止发生卡痕和内部缺陷的稳定的高品质无缝钢管。解决方案：在将润滑剂涂布在芯棒上的方法中，润滑剂的膜厚度由使用非均匀润滑剂构成的非石墨润滑剂时，由预定的云母量的主曲线和润滑剂的膜厚决定，，10-70％的氧化物层状化合物和30-90％的硼酸盐。在制造无缝钢管的方法中，通过使用通过该方法使用润滑剂的芯棒来制造无缝钢管。版权所有（C）2008，JPO＆INPIT

2. 发明专利

JP2006263817A Manufacturing method of seamless pipe and cleaning equipment 有权
标题翻译：无缝管和清洁设备的制造方法
公开(公告)号：JP2006263817A
公开(公告)日：2006-10-05
申请号：JP2006045936
申请日：2006-02-22
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： NAKAIKE HIROTSUGU , HIDAKA YASUYOSHI , IIDA SUMIO , KUSUDA HIROKI , SAKIYAMA MASAMI
IPC分类号： B21B25/04 , B21B25/06
摘要： PROBLEM TO BE SOLVED: To manufacture a seamless pipe while effectively suppressing carburization on the seamless pipe without causing a disturbance in the operation.
SOLUTION: The process comprises the steps of: cleaning of a transfer equipment installed at least between a lubricant coating device 7 located in a transfer step of a mandrel bar B and the entrance of the mandrel mill 8; cleaning of the mandrel bar B used for stretch-rolling in the upstream of the lubricant coating device 7; and coating of a non-graphite lubricant over the mandrel bar B by the lubricant coating device 7. The seamless pipe is manufactured while rinsing the transfer equipment and the mandrel bar B respectively so that both formula (1): 0.08×C1+0.05×C2≤3, and formula (2): 3≤C1+C2≤50 are satisfied, where C2(g/m
2 ) is graphite quantity adhered to the surface of the mandrel bar B prior to the stretch-rolling; C1(g/m
2 ) is carbon content included in an organic binder of the lubricant.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：制造无缝管，同时有效地抑制无缝管上的渗碳，而不会造成操作的干扰。解决方案：该方法包括以下步骤：清洁至少安装在位于芯棒B的转移步骤中的润滑剂涂覆装置7和芯棒式无缝管轧机8的入口之间的转移设备; 在润滑剂涂布装置7的上游清洁用于拉伸轧制的芯棒B; 并且通过润滑剂涂布装置7在芯棒B上涂覆非石墨润滑剂。分别在分别漂洗转移设备和芯棒B的同时制造无缝管，使得式（1）：0.08×C1 + 0.05× C2≤3，式（2）：3≤C1+C2≤50，其中C2（g / m 2 ）是在芯棒B的表面之前附着的石墨量拉伸轧制; C1（g / m 2 ）是包含在润滑剂的有机粘合剂中的碳含量。版权所有（C）2007，JPO＆INPIT

3. 发明专利

JP2004034072A Method and device for manufacturing seamless steel tube 有权
公开(公告)号：JP2004034072A
公开(公告)日：2004-02-05
申请号：JP2002193529
申请日：2002-07-02
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： IIDA SUMIO , NAKAIKE HIROTSUGU
IPC分类号： B21B25/04 , B21B17/02
摘要： PROBLEM TO BE SOLVED: To provide a method of manufacturing a seamless steel tube by which the seizing of a mandrel bar is reliably prevented when the seamless steel tube is manufactured by using a mandrel mill.
SOLUTION: A specified total amount of lubricant is applied to the surface of the mandrel bar 2 twice, wherein the amount the lubricant per application is adjusted to be not more than a specific amount M ( g/m
2 ) which is determined on the basis of the maximum value T (°C) of the surface temperature of the mandrel bar 2. Then the seamless steel tube is manufactured by performing rolling by inserting the mandrel bar 2 into the inside of a tube stock 4. Here, T is given by T≤120-10 ×(M-100)/5.
COPYRIGHT: (C)2004,JPO

4. 发明专利

JP2012130945A Method of manufacturing seamless steel pipe 有权
标题翻译：制造无缝钢管的方法
公开(公告)号：JP2012130945A
公开(公告)日：2012-07-12
申请号：JP2010285670
申请日：2010-12-22
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： TATEBAYASHI YOSUKE , HIGASHIDA YASUTO , IIDA SUMIO
IPC分类号： B21B25/04 , B21B19/04
CPC分类号： B21B25/04 , B21B19/04 , C10M173/02 , C10M2201/087 , C10M2201/0873 , C10M2201/1033 , C10N2240/403 , C10N2240/409 , C10N2250/121
摘要： PROBLEM TO BE SOLVED: To provide a method of manufacturing a seamless steel pipe, which can efficiently manufacture the seamless steel pipe by reliably improving a service life of a boring rolling plug without declining efficiency of boring rolling.SOLUTION: When boring rolling is performed by using a plug in which a protective coating is formed on the surface, a lubricant of a water solution including 5-30 mass% in total of one type or two types or more out of boric oxide, boric acid and boric acid amine salt is applied to the protective coating on the plug surface. The plug is used for the boring rolling. After the boring rolling, the plug is cooled, and in the state where surface temperature of the plug tip is lowered to 100°C or less, the lubricant is applied. It is preferable to use the plug for the boring rolling again. Preferably, the protective coating on the plug surface is formed by electric arc spraying of an iron wire material on the surface of a plug base material, and comprises oxide and Fe.
摘要翻译：解决问题的方案：提供一种制造无缝钢管的方法，其可以通过在不降低镗削效率的情况下可靠地提高镗孔塞的使用寿命来有效地制造无缝钢管。解决方案：当通过使用在表面上形成保护涂层的塞子进行镗削时，包含总共5〜30质量％的一种或两种以上的硼的水溶液的润滑剂氧化物，硼酸和硼酸胺盐施加到插头表面上的保护涂层上。该插头用于镗孔。在镗削之后，将塞子冷却，并且在将塞头的表面温度降低到100℃以下的状态下，施加润滑剂。最好再次使用插头进行镗削。优选地，塞表面上的保护涂层是通过电弧喷涂铁丝材料形成在塞子基材的表面上，并且包括氧化物和Fe。版权所有（C）2012，JPO＆INPIT

5. 发明专利

JP2006082100A Method for improving service life of mandrel bar 审中-公开
标题翻译：改善人造丝的使用寿命的方法
公开(公告)号：JP2006082100A
公开(公告)日：2006-03-30
申请号：JP2004267823
申请日：2004-09-15
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： NAKAIKE HIROTSUGU , IIDA SUMIO , HIDAKA YASUYOSHI , YOSHIZAWA MITSURU
IPC分类号： B21B25/06 , B21B25/00 , C23C22/50 , C23C22/68
摘要： PROBLEM TO BE SOLVED: To provide a method by which the service life of a mandrel bar is improved without bringing about the deterioration of the manufacturing efficiency and thickness accuracy of a seamless steel tube.
SOLUTION: This method is a method by which the service life of the mandrel bar which is used for rolling with a mandrel mill is improved and which includes a first process for removing a material which is coagulated on the outer surface of the mandrel bar used for rolling and of which a tube stock is composed and a second process for forming an iron hydroxide film on the outer surface of the mandrel bar.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种改善芯棒的使用寿命而不会导致无缝钢管的制造效率和厚度精度降低的方法。解决方案：该方法是改善用于用芯棒式无缝管轧机轧制的芯棒的使用寿命的方法，其包括用于去除在心轴的外表面上凝结的材料的第一工艺用于轧制并且其中组成管材的棒和在芯棒的外表面上形成氢氧化铁膜的第二工艺。版权所有（C）2006，JPO＆NCIPI

6. 发明专利

JP2005349451A Mandrel bar for hot working of seamless pipe 审中-公开
标题翻译： MANDREL棒用于热无缝管的工作
公开(公告)号：JP2005349451A
公开(公告)日：2005-12-22
申请号：JP2004174316
申请日：2004-06-11
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： ANRAKU TOSHIRO , HIDAKA YASUYOSHI , IIDA SUMIO
IPC分类号： B21B25/00 , B21B25/04 , C23C26/00
摘要： PROBLEM TO BE SOLVED: To surely and greatly improve durable life of a mandrel bar for hot working of seamless pipes even in the case of hot rolling of seamless steel pipes made of stainless steel which requires severe hot rolling conditions.
SOLUTION: The mandrel bar for hot working of seamless pipes comprises a first layer on the surface, which first layer contains at least one kind of Fe
2 O
3 , Fe
3 O
4 , and FeO or FeCr
2 O
4 and has an arithmetical mean roughness Ra of 0.05 to 5 μm at the surface and has a thickness of 5 to 50 μm, and a second layer composed of an inorganic coating film coated on the first layer, which inorganic coating film contains 10 to 80 mass% of a particulate oxide-based layered compound and the remainder composed of at least one or more kinds of alkali metal salt of boric acid or amine salt, and has a thickness of 10 to 500 μm.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：即使在需要严格的热轧条件的由不锈钢制成的无缝钢管的热轧的情况下，也可以大大提高用于无缝管热加工的芯棒的耐用寿命。解决方案：用于无缝管热加工的芯棒包括表面上的第一层，该第一层含有至少一种Fe 2 O 3 ， FeO 3 / SB> 4 ，FeO或FeCr 2 4 ，其算术平均粗糙度Ra为0.05〜 5μm，厚度为5〜50μm，第2层由无机涂膜构成，该无机涂膜含有10〜80质量％的氧化物系微粒化层状化合物和剩余部分由至少一种以上的硼酸或胺盐的碱金属盐构成，其厚度为10〜500μm。版权所有（C）2006，JPO＆NCIPI

7. 发明专利

JP2002248507A METHOD FOR MANUFACTURING SEAMLESS STEEL PIPE 失效
公开(公告)号：JP2002248507A
公开(公告)日：2002-09-03
申请号：JP2001046155
申请日：2001-02-22
申请人： SUMITOMO METAL IND
发明人： IIDA SUMIO , ANRAKU TOSHIRO , SHIMODA KAZUMUNE , YAMAKAWA TOMIO
IPC分类号： B21B25/04
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing a seamless steel pipe by which the frequency of occurrence of a fault on the inner face can be decreased remarkably at drill rolling passing through one pass by one plug. SOLUTION: The method of this invention is used to offer an object to the drill rolling passing through the one pass after coating a scale fusing substance of which the eutectic temperature with FeO is less than 1,200 deg.C on the scale of the plug surface in the state on which scaling hot treatment has been carried out, preferably, on the scale of the plug surface after the scale of a porous outer layer is precluded.

8. 发明专利

JP2002115975A MEMBER FOR HEATING OVEN 失效
公开(公告)号：JP2002115975A
公开(公告)日：2002-04-19
申请号：JP2000312208
申请日：2000-10-12
申请人： SUMITOMO METAL IND
发明人： KIMURA KAZUKIYO , ANRAKU TOSHIRO , TSUBOUCHI KENJI , IIDA SUMIO
IPC分类号： C21D1/00 , C21D9/56 , F27B9/24 , F27D3/12
摘要： PROBLEM TO BE SOLVED: To provide a member for a heating oven where no build-ups are formed. SOLUTION: In the member for the heating oven, a surface-layer section of a part in contact with at least a steel material to be heated is made of a material an oxidation speed of which calculated from the average thickness of a surface oxidation layer after an oxidation test for 100 hours under the same atmosphere and temperature as those of a heating oven that is used for the member for the heating oven is 0.1 μm/h or more.

9. 发明专利

JP2001340903A MANUFACTURING METHOD OF SEAMLESS STEEL PIPE AND ITS MANUFACTURING EQUIPMENT 失效
公开(公告)号：JP2001340903A
公开(公告)日：2001-12-11
申请号：JP2000166894
申请日：2000-06-05
申请人： SUMITOMO METAL IND
发明人： NAGASE YUTAKA , IIDA SUMIO
IPC分类号： B21B17/02 , B21B17/08 , B21B45/02 , B21B45/04
摘要： PROBLEM TO BE SOLVED: To supply effectively chemical agents and the like to the internal surface of a hollow pipe stock and also prevent flaws on the internal surface of the pipe stock, when manufacturing a seamless steel pipe by a drawing rolling. SOLUTION: (1) A manufacturing method of a seamless steel pipe characterized in that at least one of conditions among injection pressure of carrier gas, a total supply amount of chemical agents and the like, and to total time of the chemical agents and the like is adjusted on the basis of rolling information, when the hollow pipe stock is rolled by a drawing rolling. (2) A manufacturing equipment for the seamless steel pipe characterized in that the equipment is provided with a rolling information recognition portion identifying information for the hollow pipe stock or the chemical agent sand the like, an injection condition determining portion settling conditions for injection pressure, a supply amount and the like, and an injecting condition adjusting portion realizing determined injecting conditions. (3) A manufacturing method and equipment supplying the chemical agents and the like at injection by means of carrier gas, and also carrying it after injection, while rotating the hollow pipe material.

10. 发明专利

JP2001001016A MANDREL BAR FOR HOT MANUFACTURING SEAMLESS TUBE AND HOT MANUFACTURING METHOD OF SEAMLESS TUBE 失效
公开(公告)号：JP2001001016A
公开(公告)日：2001-01-09
申请号：JP16751399
申请日：1999-06-14
申请人： SUMITOMO METAL IND
发明人： IIDA SUMIO , TSUBOUCHI KENJI , NAGASE YUTAKA , IMAMURA MASAMI
IPC分类号： B21B25/00 , C23C30/00
摘要： PROBLEM TO BE SOLVED: To obtain a mandrel bar having longer life without generating burning even when the bar is used for rolling high alloy steel containing chromium by forming a chromium plating film in the range of the specific thickness on the mandrel bar. SOLUTION: The chromium plating film of 60-200 μm thick is formed on the surface of a base metal of the mandrel bar. The major cause of generation of burning is peeling of the chromium plating by heat cracks and a lot of burnings are generated in parts where the base metal of the bar is exposed by the elimination of the chromium plating film by wear, so it is necessary to thicken the chromium plating film and, when the thickness is 60-200 μm, the life is rapidly improved. The surface roughness Ra in the direction of the axial length of the base metal is defined as >=0.1 to =2 wt.% Cr in rolling with a mandrel mill, burning is not generated.

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