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1. 发明专利

JP2009102684A Steel for ball cage of cvj 有权
标题翻译： CVJ的球笼钢
公开(公告)号：JP2009102684A
公开(公告)日：2009-05-14
申请号：JP2007273830
申请日：2007-10-22
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： KONDO KUNIO , YAMAMOTO TADAYUKI
IPC分类号： C22C38/00 , C21D1/06 , C22C38/18 , C22C38/50 , F16D3/20
CPC分类号： F16D3/223 , C21D9/40 , C22C38/002 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/18 , C22C38/22 , C22C38/44 , C22C38/48 , C22C38/50 , F16D2003/22303 , F16D2003/22316 , F16D2250/00
摘要： PROBLEM TO BE SOLVED: To provide a steel for a ball cage of a CVJ, which shows the sufficient useful life even when being used for a CVJ that has been miniaturized and lightened, and even though being applied to the ball cage on which a bigger load stress than a conventional one works.
SOLUTION: The steel for the ball cage of a CVJ comprises, by mass%, 0.1 to 0.25% C, 0.05 to 0.7% Si, 0.05 to 1.2% Mn, 0.3 to 1.2% Cr, 0.005% or less S, 0.03% or less P, 0.02% or less N, 0.01% or less O (oxygen), 0.005 to 0.1% sol. Al and the balance Fe with impurities. The steel may further contain one or more elements among Mo, Ni, Ti, V and Zr in place of a part of Fe.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种用于CVJ的球保持架的钢，即使用于小型化和轻量化的CVJ也显示出足够的使用寿命，并且即使应用于球保持架比常规的一个更大的负载应力工作。解决方案：用于CVJ的球保持架的钢以质量％计含有0.1〜0.25％的C，0.05〜0.7％的Si，0.05〜1.2％的Mn，0.3〜1.2％的Cr，0.005％以下的S， 0.03％以下P，0.02％以下N，0.01％以下O（氧），0.005〜0.1％溶胶。 Al和余量Fe与杂质。在Mo，Ni，Ti，V和Zr中还可以含有一种或多种元素代替一部分Fe。版权所有（C）2009，JPO＆INPIT

2. 发明专利

JP2004292857A Non-heat treated seamless steel tube 有权
公开(公告)号：JP2004292857A
公开(公告)日：2004-10-21
申请号：JP2003084410
申请日：2003-03-26
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： KONDO KUNIO
IPC分类号： B21B17/02 , C22C38/00 , C22C38/38 , C22C38/60
CPC分类号： C22C38/24 , C22C38/02 , C22C38/06 , C22C38/38
摘要： PROBLEM TO BE SOLVED: To provide a non-heat treated seamless steel tube by which high strength and high toughness can be combined without requiring strict control of tube-making draft and tube-making temperature in the course of tube making and further superior weldability can be secured.
SOLUTION: The non-heat treated seamless steel tube has a composition which consists of, by weight, 0.10 to

3. 发明专利

JP2004143593A High strength seamless steel tube having excellent hydrogen induced cracking resistance, and production method therefor 有权
标题翻译：具有优异的氢诱导破碎电阻的高强度无缝钢管及其生产方法
公开(公告)号：JP2004143593A
公开(公告)日：2004-05-20
申请号：JP2003336242
申请日：2003-09-26
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： MURAO NOBUTOSHI , HISAMUNE NOBUYUKI , OSAKO HAJIME , KONDO KUNIO
IPC分类号： C21D8/10 , C21D1/18 , C21D9/08 , C22C38/00 , C22C38/38 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide a high strength seamless steel tube which has a yield stress of ≥483 MPa, and excellent HIC (Hydrogen Induced Cracking) resistance, and to provide a production method therefor.
SOLUTION: The high strength seamless steel tube having a yield stress of ≥483 MPa, and excellent hydrogen induced cracking resistance comprises, by mass, 0.03 to 0.11% C, 0.05 to 0.5% Si, 0.8 to 1.6% Mn, ≤0.025% P, ≤0.003% S, 0.002 to 0.017% Ti, 0.001 to 0.10% Al, 0.05 to 0.5% Cr, 0.02 to 0.3% Mo, 0.02 to 0.20% V, 0.0005 to 0.005% Ca, ≤0.008% N and ≤0.004% O (oxygen). The steel tube has a structure which consists of bainite or/and martensite and in which ferrite is precipitated on the grain boundaries. The steel tube desirably comprises one or more of metals selected from 0.05 to 0.5% Cu and 0.05 to 0.5% Ni for securing its high strength. In the production of the steel tube, the quenching starting temperature, cooling rate and tempering temperature after finish rolling are desirably controlled.
COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：提供屈服应力为≥483MPa的高强度无缝钢管，并且具有优异的HIC（氢诱发开裂）电阻，并提供其制造方法。解决方案：屈服应力为≥483MPa，优异的氢诱发开裂性的高强度无缝钢管，以质量计含有0.03〜0.11％的C，0.05〜0.5％的Si，0.8〜1.6％的Mn，≤ 0.025％P，≤0.003％S，0.002〜0.017％Ti，0.001〜0.10％Al，0.05〜0.5％Cr，0.02〜0.3％Mo，0.02〜0.20％V，0.0005〜0.005％Ca，≤0.008％N， ≤0.004％O（氧）。钢管具有由贝氏体或/和马氏体组成的铁素体在晶界上析出的结构。钢管理想地包含一种或多种选自0.05-0.5％Cu和0.05-0.5％Ni的金属，以确保其高强度。在钢管的制造中，期望控制精轧后的淬火起始温度，冷却速度和回火温度。版权所有（C）2004，JPO

4. 发明专利

JP2009120954A Martensitic stainless steel and manufacturing method therefor 有权
标题翻译： MARTENSITIC不锈钢及其制造方法
公开(公告)号：JP2009120954A
公开(公告)日：2009-06-04
申请号：JP2008323369
申请日：2008-12-19
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： YOSHIZAWA MITSURU , KONDO KUNIO , IGARASHI MASAAKI , KOMIZO YUICHI
IPC分类号： C22C38/00 , C21D6/00 , C21D8/02 , C22C38/54
摘要： PROBLEM TO BE SOLVED: To provide a martensitic stainless steel suitable for a very deep oil well, having high strength and having excellent toughness.
SOLUTION: The martensitic stainless steel has a composition comprising 0.01 to 0.1% C, 0.05 to 1% Si, 0.05 to 1.5% Mn, ≤0.03% P, ≤0.01% S, 9 to 15% Cr, 0.1 to 2.0% Ni, ≤0.05% Al and ≤0.1% N, and further comprising one or more kinds selected from 0.05 to 4% Cu, 0.05 to 3% Mo, 0.005 to 0.5% V, 0.005 to 0.5% Nb, 0.0002 to 0.005% B, 0.0003 to 0.005% Ca, 0.0003 to 0.005% Mg and 0.0003 to 0.005% rare earth metals, and the balance Fe with impurities, and in which the thickness of a retained austenite phase in the steel measured by the following method (not shown) is ≤100 nm, and X-ray integrated intensities 111γ and 110α satisfy inequality (a): 0.005≤111γ/(111γ+110α)≤0.05.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供适用于非常深的油井的马氏体不锈钢，具有高强度和优异的韧性。解决方案：马氏体不锈钢的组成为：含有0.01〜0.1％的C，0.05〜1％的Si，0.05〜1.5％的Mn，≤0.03％的P，≤0.01％的S，9〜15％的Cr，0.1〜2.0 ％Ni，≤0.05％Al，≤0.1％N，进一步含有选自0.05〜4％的Cu，0.05〜3％的Mo，0.005〜0.5％的V，0.005〜0.5％的Nb，0.0002〜0.005％ B，0.0003〜0.005％的Ca，0.0003〜0.005％的Mg和0.0003〜0.005％的稀土金属，余量为Fe与杂质，其中通过以下方法测量的钢中的残余奥氏体相的厚度（未示出）≤100nm，X射线积分强度111γ，110α满足不等式（a）：0.005≤111γ/（111γ+110α）≤0.05。版权所有（C）2009，JPO＆INPIT

5. 发明专利

JP2007031769A Seamless steel tube and method for producing the same 有权
标题翻译：无缝钢管及其制造方法
公开(公告)号：JP2007031769A
公开(公告)日：2007-02-08
申请号：JP2005216233
申请日：2005-07-26
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： ARAI YUJI , KONDO KUNIO , HISAMUNE NOBUYUKI
IPC分类号： C22C38/00 , C21D8/10 , C21D9/08 , C22C38/58
CPC分类号： C21D8/10 , C21D9/08 , C22C38/001 , C22C38/002 , C22C38/44 , C22C38/50 , C22C38/52
摘要： PROBLEM TO BE SOLVED: To provide a seamless steel tube provided with high strength, stable toughness and excellent corrosion resistance and suitable for submarine flow-line, and to provide a method for producing the seamless steel tube.
SOLUTION: The seamless steel tube as quenching, is composed, by mass%, of 0.03-0.08% C, 0.3-2.5% Mn, 0.001-0.10% Al, 0.02-1.0% Cr, 0.02-1.0% Ni, 0.02-0.8% Mo, 0.004-0.010% Ti, 0.002-0.008% N, 0.0005-0.005% Ca, 0-0.08%V, 0-1.0% Cu and the balance Fe with impurities, in which ≤0.25% Si, ≤0.05% P, ≤0.005% S,
摘要翻译：要解决的问题：提供一种具有高强度，稳定的韧性和优异的耐腐蚀性并适用于海底流线的无缝钢管，并提供一种无缝钢管的制造方法。解决方案：淬火时的无缝钢管以质量％计含有0.03-0.08％C，0.3-2.5％Mn，0.001-0.10％Al，0.02-1.0％Cr，0.02-1.0％Ni， 0.02-0.8％Mo，0.004-0.010％Ti，0.002-0.008％N，0.0005-0.005％Ca，0-0.08％V，0-1.0％Cu，余量为Fe与杂质，其中≤0.25％Si，≤ 0.05％P，≤0.005％S，<0.005％Nb和<0.0003％B，具有≤20体积％多边形铁素体的结构，≤10体积％的马氏体和残余奥氏体的混合结构和余量贝氏体; 通过回火上述钢管获得高强度的无缝钢管。版权所有（C）2007，JPO＆INPIT

6. 发明专利

JP2006274350A Thick seamless steel pipe for line pipe and its production method 有权
标题翻译：用于线管的厚度无缝钢管及其生产方法
公开(公告)号：JP2006274350A
公开(公告)日：2006-10-12
申请号：JP2005095240
申请日：2005-03-29
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： KONDO KUNIO , ARAI YUJI , HISAMUNE NOBUYUKI
IPC分类号： C22C38/00 , B21B23/00 , C21D8/10 , C21D9/08 , C22C38/58
CPC分类号： C22C38/00 , B21B19/04 , B21B23/00 , C21D8/10 , C22C38/001 , C22C38/002 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/42 , C22C38/44 , C22C38/46 , C22C38/50 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide a thick seamless steel pipe for a line pipe having high strength and excellent toughness, and to provide a method for producing the same.
SOLUTION: The thick seamless steel pipe for a line pipe having high strength and satisfactory toughness has a composition comprising 0.03 to 0.08% C, ≤0.25% Si, 0.3 to 2.5% Mn, 0.001 to 0.10% Al, 0.02 to 1.0% Cr, 0.02 to 1.0% Ni, 0.02 to 1.2% Mo, 0.004 to 0.010% Ti and 0.002 to 0.008% N, further comprising one or more kinds selected from Ca, Mg and rare earth metals by 0.0002 to 0.005% in total, comprising 0 to 0.08% V, 0 to 0.05% Nb and 0 to 1.0% Cu, and, if required, comprising 0.0003 to 0.01% B, and the balance Fe with impurities, and, in the impurities, the content of P is ≤0.05%, and the content of S is ≤0.005%. In the method for producing the steel pipe, the cooling viscosity for the slab, heating conditions for piercing, and heat treatment conditions after pipe making are characterized.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于具有高强度和优异韧性的管线管的粗无缝钢管，并提供其制造方法。解决方案：具有高强度和令人满意的韧性的管线的厚无缝钢管具有包含0.03-0.08％的C，≤0.25％的Si，0.3到2.5％的Mn，0.001到0.10％的Al，0.02到1.0的组成％Cr，0.02〜1.0％Ni，0.02〜1.2％Mo，0.004〜0.010％Ti和0.002〜0.008％N，还含有选自Ca，Mg和稀土金属中的一种以上，总计0.0002〜0.005％包括0至0.08％V，0至0.05％的Nb和0至1.0％的Cu，如果需要，其含有0.0003至0.01％的B，余量为Fe与杂质，并且在杂质中，P的含量≤ 0.05％，S含量≤0.005％。在制造钢管的方法中，对板坯的冷却粘度，穿孔加热条件和制管后的热处理条件进行了表征。版权所有（C）2007，JPO＆INPIT

7. 发明专利

JP2005320575A Seamless steel pipe and its production method 有权
标题翻译：无缝钢管及其生产方法
公开(公告)号：JP2005320575A
公开(公告)日：2005-11-17
申请号：JP2004138825
申请日：2004-05-07
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： KONDO KUNIO , ARAI YUJI
IPC分类号： B21B3/00 , C21D1/32 , C21D8/10 , C21D9/08 , C22C38/00 , C22C38/38 , C22C38/58
CPC分类号： C22C38/38 , C21D8/105 , C21D9/08 , Y10S72/70
摘要： PROBLEM TO BE SOLVED: To provide a seamless steel pipe having excellent cold workability, hardenability, toughness and twisting fatigue strength at the same time, and optimum as a hollow shaft stock for an integrally formed hollow drive shaft. SOLUTION: The seamless steel pipe has a composition comprising, by mass, 0.30 to 0.50% C, ≤0.5% Si, 0.3 to 2.0% Mn, ≤0.025% P, ≤0.005% S, 0.15 to 1.0% Cr, 0.001 to 0.05% Al, 0.005 to 0.05% Ti, ≤0.02% N, 0.0005 to 0.01% B and ≤0.0050% O (oxygen), and in which Beff prescribed by inequality (a) or (b) is ≥0.0001; wherein, (a); in the case Neff=N-14×Ti/47.9≥0, Beff=B-10.8×(N-14×Ti/47.9)/14, and similarly, (b); in the case Neff=N-14×Ti/47.9 COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种具有优异的冷加工性，淬透性，韧性和扭转疲劳强度的无缝钢管，并且作为用于一体形成的中空驱动轴的中空轴原料最佳。解决方案：无缝钢管具有质量分数为0.30〜0.50％的C，≤0.5％的Si，0.3〜2.0％的Mn，≤0.025％的P，≤0.005％的S，0.15〜1.0％的Cr， 0.001〜0.05％的Al，0.005〜0.05％的Ti，≤0.02％的N，0.0005〜0.01％的B和≤0.0050％的O（氧），其中由不等式（a）或（b）表示的贝夫≥0.0001; 其中，（a）; 在Neff = N-14×Ti /47.9≥0，Beff = B-10.8×（N-14×Ti / 47.9）/ 14的情况下，类似地，（b）; 在Neff = N-14×Ti / 47.9 <0的情况下，Beff = B。版权所有（C）2006，JPO＆NCIPI

8. 发明专利

JP2005008912A Oil well pipe for burying and pipe expanding 有权
标题翻译：用于管道和管道膨胀的油管
公开(公告)号：JP2005008912A
公开(公告)日：2005-01-13
申请号：JP2003171219
申请日：2003-06-16
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： ARAI YUJI , AMAYA TAKASHI , KONDO KUNIO
IPC分类号： C22C38/00 , C22C38/14 , C22C38/38
摘要： PROBLEM TO BE SOLVED: To provide an oil well pipe for burying and pipe expanding which has high toughness and high collapse resistance even if subjected to pipe expanding in an oil well and a gas well.
SOLUTION: The pipe is an oil well pipe for burying and pipe expanding to be subjected to pipe expanding by a plug 4 in an well. This pipe has a composition which consists of, by mass, 0.05 to 0.45% C, 0.1 to 1.5% Si, 0.1 to 3.0% Mn, ≤0.03% P, ≤0.01% S, 0.001 to 0.05% sol.Al, 0.005 to 0.03% Ti and the balance Fe with impurities, wherein the amount of N in the form of solid solution is made to be 40 to 200 ppm.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：即使在油井和气井中进行管道膨胀，也提供了具有高韧性和高抗塌陷性的埋管和管道膨胀用油井管。
解决方案：管道是用于埋藏和管道膨胀的油井管，其通过塞子4在井中进行管道膨胀。该管具有质量为0.05〜0.45％，0.1〜1.5％Si，0.1〜3.0％Mn，≤0.03％P，≤0.01％S，0.001〜0.05％sol.Al，0.005〜 0.03％Ti，余量为Fe与杂质，其中固溶体形式的N量为40〜200ppm。版权所有（C）2005，JPO＆NCIPI

9. 发明专利

JP2010242222A Thick-walled seamless steel pipe for line pipe 有权
标题翻译：用于线管的厚壁无缝钢管
公开(公告)号：JP2010242222A
公开(公告)日：2010-10-28
申请号：JP2010121141
申请日：2010-05-27
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： KONDO KUNIO , ARAI YUJI , HISAMUNE NOBUYUKI
IPC分类号： C22C38/00 , C21D8/10 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide a thick-walled seamless steel pipe for line pipe having high strength and excellent in toughness.
SOLUTION: The thick-walled seamless steel pipe for a line pipe having high strength, high toughness and a thickness of 30-50 mm comprises, by mass, 0.03-0.08% C, ≤0.15% Si, 0.3-2.5% Mn, 0.001-0.10% Al, 0.02-1.0% Cr, 0.02-1.0% Ni, 0.02-1.2% Mo, 0.004-0.010% Ti, 0.002-0.008% N, 0.0002-0.005% in total of at least one of Ca, Mg and REM, and the balance Fe and impurities. In the impurities, the contents of P and S are ≤0.05% and ≤0.005%, respectively. In addition to the above components, the steel pipe may contain at least one of 0.0003-0.01% B, ≤0.08% V, ≤0.05% Nb and ≤1.0% Cu.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有高强度和优异的韧性的管道管的厚壁无缝钢管。解决方案：具有高强度，高韧性和厚度为30-50mm的管线管的厚壁无缝钢管，其质量为0.03-0.08％C，≤0.15％Si，0.3-2.5％ Mn，0.001-0.10％Al，0.02-1.0％Cr，0.02-1.0％Ni，0.02-1.2％Mo，0.004-0.010％Ti，0.002-0.008％N，0.0002-0.005％的Ca中的至少一种，Mg和REM，余量为Fe和杂质。在杂质中，P和S的含量分别为≤0.05％和≤0.005％。除了上述部件之外，钢管可以含有0.0003-0.01％B，≤0.08％V，≤0.05％Nb和≤1.0％Cu中的至少一种。版权所有（C）2011，JPO＆INPIT

10. 发明专利

JP2007291436A High-strength case-hardened steel pipe for ball cage 有权
标题翻译：高强度用于球笼的硬化钢管
公开(公告)号：JP2007291436A
公开(公告)日：2007-11-08
申请号：JP2006119635
申请日：2006-04-24
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： KONDO KUNIO , ARAI YUJI
IPC分类号： C22C38/00 , C22C38/22 , C22C38/54 , C23C8/22
摘要： PROBLEM TO BE SOLVED: To provide a steel pipe for a ball cage which shows the sufficient useful life even when applied to the ball cage in a miniaturized CVJ, on which a larger load is imposed than before.
SOLUTION: The high-strength case-hardened steel pipe for the CVJ ball cage comprises, by mass%, 0.10 to 0.25% C, 0.05 to 0.70% Si, 0.05 to 1.20% Mn, 0.3 to 1.2% Cr, 0.15 to 1.00% Mo, 0.005 to 0.100% sol. Al, and the balance Fe with impurities which include 0.03% or less P, 0.0009% or less S, 0.02% or less N and 0.01% or less O (oxygen). The steel pipe may further contain one or more elements among 0.0100% or less B, 0.300% or less Ti, Nb, V and Zr respectively, and 5.0% or less Ni.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于球保持器的钢管，即使在小型化CVJ中施加到比以前更大的负荷的球保持器中时也能获得足够的使用寿命。解决方案：用于CVJ球笼的高强度硬化用钢管以质量％计含有C：0.10〜0.25％，Si：0.05〜0.70％，Mn：0.05〜1.20％，Cr：0.3〜1.2％至1.00％Mo，0.005〜0.100％溶胶。 Al，余量为含有0.03％以下的P，0.0009％以下的S，0.02％以下的N和0.01％以下的O（氧）的杂质。钢管还可以含有0.0100％以下的B，0.300％以下的Ti，Nb，V，Zr，Ni：5.0％以下的一种以上的元素。版权所有（C）2008，JPO＆INPIT

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