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公开(公告)号：US09429255B2
公开(公告)日：2016-08-30
申请号：US14389866
申请日：2013-04-02
发明人： Takuya Kochi , Hitoshi Hatano , Eiichi Tamura , Kotaro Toyotake , Takashi Yajima , Akira Tange
IPC分类号： B22D19/00 , F16L9/02 , C21D8/10 , C21D9/02 , C21D9/08 , C22C38/00 , C22C38/04 , C22C38/06 , C22C38/20 , C22C38/24 , C22C38/28 , C22C38/34 , C22C38/42 , C22C38/46 , C22C38/50 , C21D6/00 , C22C38/02 , C22C38/44 , C22C38/48 , C22C38/54 , F16F1/02
CPC分类号： F16L9/02 , C21D6/008 , C21D8/10 , C21D9/02 , C21D9/08 , C21D2211/004 , C22C38/001 , C22C38/002 , C22C38/005 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/20 , C22C38/24 , C22C38/28 , C22C38/34 , C22C38/42 , C22C38/44 , C22C38/46 , C22C38/48 , C22C38/50 , C22C38/54 , F16F1/021
摘要： A hollow seamless pipe for a high-strength spring in the present invention includes a steel material in which chemical component compositions are properly adjusted, wherein a depth of a whole decarburized layer in an inner surface layer part is 100 μm or less, a depth of a flaw which is present in an inner surface is 40 μm or less, a width of the flaw is 60 μm or less, and a number density of a carbide which has a circle equivalent diameter of 500 nm or more and is present in the inner surface layer part is 1.8×10−2 particles/μm2 or less.
摘要翻译： 本发明的高强度弹簧用中空无缝管包括适当调整化学成分组成的钢材，其中，内表面层部的整个脱碳层的深度为100μm以下，深度为 存在于内表面的缺陷为40μm以下，缺陷的宽度为60μm以下，圆当量直径为500nm以上且存在于内侧的碳化物的数密度 表层部分为1.8×10 -2个/μm2以下。
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公开(公告)号：US20150285410A1
公开(公告)日：2015-10-08
申请号：US14389866
申请日：2013-04-02
申请人： KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD) , SHINKO METAL PRODUCTS CO. LTD. , NHK SPRING CO, LTD
发明人： Takuya Kochi , Hitoshi Hatano , Eiichi Tamura , Kotaro Toyotake , Takashi Yajima , Akira Tange
IPC分类号： F16L9/02 , C22C38/54 , C22C38/50 , C22C38/48 , C22C38/46 , C22C38/00 , C22C38/42 , C22C38/34 , C22C38/06 , C22C38/04 , C22C38/02 , F16F1/02 , C22C38/44
CPC分类号： F16L9/02 , C21D6/008 , C21D8/10 , C21D9/02 , C21D9/08 , C21D2211/004 , C22C38/001 , C22C38/002 , C22C38/005 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/20 , C22C38/24 , C22C38/28 , C22C38/34 , C22C38/42 , C22C38/44 , C22C38/46 , C22C38/48 , C22C38/50 , C22C38/54 , F16F1/021
摘要： A hollow seamless pipe for a high-strength spring in the present invention includes a steel material in which chemical component compositions are properly adjusted, wherein a depth of a whole decarburized layer in an inner surface layer part is 100 μm or less, a depth of a flaw which is present in an inner surface is 40 μm or less, a width of the flaw is 60 μm or less, and a number density of a carbide which has a circle equivalent diameter of 500 nm or more and is present in the inner surface layer part is 1.8×10−2 particles/μm2 or less.
摘要翻译： 本发明的高强度弹簧用中空无缝管包括适当调整化学成分组成的钢材，其中，内表面层部的整个脱碳层的深度为100μm以下，深度为 存在于内表面的缺陷为40μm以下，缺陷的宽度为60μm以下，圆当量直径为500nm以上且存在于内侧的碳化物的数密度 表层部分为1.8×10 -2个/μm2以下。
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公开(公告)号：US20150168455A1
公开(公告)日：2015-06-18
申请号：US14418964
申请日：2013-08-02
发明人： Teruo Anraku , Masayuki Ainoya , Tomohiro Kubota , Kotaro Toyotake , Tomoyuki Minami , Noritoshi Takamura , Humio Takahashi
CPC分类号： G01R1/073 , B01J2/00 , C12Q1/00 , C22C5/04 , C22C30/02 , G01R1/06722 , G01R3/00 , G01R31/2886 , H01L2221/00
摘要： An alloy material includes: a composition containing 17 at % to 25 at % of silver (Ag), 30 at % to 45 at % of palladium (Pd), and 30 at % to 53 at % of copper (Cu) in a composition range of a ternary alloy of Ag, Pd, and Cu; and at least one of manganese (Mn), tin (Sn), silicon (Si), antimony (Sb), titanium (Ti) and magnesium (Mg) added to the composition in a range of 4.5 at % or less, and the Mn in a range of 0.5 at % to 3.5 at %, the Sn in a range of 1 at % to 2 at %, the Si in a range of 0.5 at % to 2 at %, the Sb in a range of 0.5 at % to 3 at %, the Ti in a range of 0.5 at % to 2 at %, and the Mg in a range of 0.5 at % to 3.5 at % are added to the composition.
摘要翻译： 一种合金材料包括：组合物，其含有17原子％至25原子％的银（Ag），30原子％至45原子％的钯（Pd）和30原子％至53原子％的铜（Cu） Ag，Pd和Cu三元合金的范围; 并且在4.5质量％以下的范围内添加到组合物中的锰（Mn），锡（Sn），硅（Si），锑（Sb），钛（Ti）和镁（Mg）中的至少一种， Mn在0.5at％至3.5at％的范围内，Sn在1at％至2at％的范围内，Si在0.5at％至2at％的范围内，Sb在0.5at％的范围内， 至3原子％，将Ti在0.5at％至2at％的范围内，Mg在0.5at％至3.5at％的范围内加入到组合物中。
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公开(公告)号：US10118208B2
公开(公告)日：2018-11-06
申请号：US14453747
申请日：2014-08-07
IPC分类号： B21B47/00 , B21B19/04 , B21B1/42 , B21C23/00 , B21C23/08 , B21F3/02 , C21D9/08 , C22C38/04 , C22C38/34 , C22C38/46 , F16F1/04 , F16F1/06 , F16F1/18
摘要： There are provided: a seamless steel pipe formed from a cylindrical steel material billet through a hot isostatic extrusion step, wherein a depth of a contiguous flaw formed on an inner periphery surface and an outer periphery surface of the steel pipe is 50 μm or less; a hollow spring obtained by forming a hollow body in a shape of a coil or a bar or a bar with curved part from the seamless steel pipe made of spring steel and applying a surface treatment to the hollow body so that the hollow body has compressive residual stress; and a method for producing seamless steel pipe including: a billet molding step; a first heating step; a hot isostatic extrusion step; a second heating step; an extension step; a third heating step; and a pickling step.
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公开(公告)号：US09804198B2
公开(公告)日：2017-10-31
申请号：US14418964
申请日：2013-08-02
发明人： Teruo Anraku , Masayuki Ainoya , Tomohiro Kubota , Kotaro Toyotake , Tomoyuki Minami , Noritoshi Takamura , Humio Takahashi
IPC分类号： G01R31/20 , G01R1/073 , C22C5/04 , C22C30/02 , G01R1/067 , G01R3/00 , G01R31/28 , B01J2/00 , C12Q1/00
CPC分类号： G01R1/073 , B01J2/00 , C12Q1/00 , C22C5/04 , C22C30/02 , G01R1/06722 , G01R3/00 , G01R31/2886 , H01L2221/00
摘要： An alloy material includes: a composition containing 17 at % to 25 at % of silver (Ag), 30 at % to 45 at % of palladium (Pd), and 30 at % to 53 at % of copper (Cu) in a composition range of a ternary alloy of Ag, Pd, and Cu; and at least one of manganese (Mn), tin (Sn), silicon (Si), antimony (Sb), titanium (Ti) and magnesium (Mg) added to the composition in a range of 4.5 at % or less, and the Mn in a range of 0.5 at % to 3.5 at %, the Sn in a range of 1 at % to 2 at %, the Si in a range of 0.5 at % to 2 at %, the Sb in a range of 0.5 at % to 3 at %, the Ti in a range of 0.5 at % to 2 at %, and the Mg in a range of 0.5 at % to 3.5 at % are added to the composition.
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6.发明申请PROCESS FOR MANUFACTURING SEAMLESS STEEL PIPE, HOLLOW SPRING UTILIZING SEAMLESS STEEL PIPE 审中-公开制造无缝钢管的方法，使用无缝钢管的中空弹簧公开(公告)号：US20130239637A1
公开(公告)日：2013-09-19
申请号：US13892009
申请日：2013-05-10
IPC分类号： B21B19/04
CPC分类号： B21B19/04 , B21B1/42 , B21C23/007 , B21C23/08 , B21C23/085 , B21F3/02 , C21D9/08 , C22C38/04 , C22C38/34 , C22C38/46 , F16F1/04 , F16F1/042 , F16F1/06 , F16F1/18
摘要： There are provided: a seamless steel pipe formed from a cylindrical steel material billet through a hot isostatic extrusion step, wherein a depth of a contiguous flaw formed on an inner periphery surface and an outer periphery surface of the steel pipe is 50 μm or less; a hollow spring obtained by forming a hollow body in a shape of a coil or a bar or a bar with curved part from the seamless steel pipe made of spring steel and applying a surface treatment to the hollow body so that the hollow body has compressive residual stress; and a method for producing seamless steel pipe including: a billet molding step; a first heating step; a hot isostatic extrusion step; a second heating step; an extension step; a third heating step; and a pickling step.
摘要翻译： 提供了一种通过热等静压挤出步骤由圆柱形钢材坯料形成的无缝钢管，其中在钢管的内周表面和外周表面上形成的邻接缺陷的深度为50μm以下; 通过从由弹簧钢制成的无缝钢管形成具有弯曲部的线圈或棒或棒的中空体的空心弹簧，并对中空体进行表面处理，使得中空体具有压缩残余 强调; 以及生产无缝钢管的方法，包括：坯料成型步骤; 第一加热步骤; 热等静压挤压步骤; 第二加热步骤; 延伸步骤 第三加热步骤; 和酸洗步骤。
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公开(公告)号：US10889878B2
公开(公告)日：2021-01-12
申请号：US15562580
申请日：2016-03-31
发明人： Toshio Kazama , Yoshihisa Tani , Satoshi Shoji , Teruo Anraku , Masayuki Ainoya , Tomohiro Kubota , Kotaro Toyotake , Hitoshi Abe
IPC分类号： C22C30/02 , C22C5/04 , C22F1/14 , H01R13/03 , C22F1/00 , G01R1/067 , H01B1/02 , H01R12/70 , H01R13/24
摘要： An alloy material includes: a composition, in a composition range of a ternary alloy of silver (Ag), palladium (Pd), and copper (Cu), the composition containing 20 to 30 wt % of Ag, 35 to 55 wt % of Pd, and 20 to 40 wt % of Cu. The composition as a base is added with tin (Sn) in a range of 0.5 to 2.5 wt %, further added with any one of or a combination of cobalt (Co), chromium (Cr), and zinc (Zn) in a range of 0.1 to 1.0 wt %, and added with 0.01 to 0.1 wt % of either one of or a combination of iridium (Ir) and ruthenium (Ru).
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公开(公告)号：US20180265952A1
公开(公告)日：2018-09-20
申请号：US15541534
申请日：2016-01-05
发明人： Takuya KOCHI , Hitoshi HATANO , Kotaro TOYOTAKE
CPC分类号： C22C38/34 , C21D8/10 , C21D8/105 , C21D9/02 , C21D9/08 , C22C38/00 , C22C38/001 , C22C38/04 , C22C38/06 , C22C38/38 , C22C38/46 , C22C38/50 , C22C38/58 , F16F1/021 , F16F1/043
摘要： Provided is a hollow seamless steel pipe for a spring, including by mass %, C: 0.2 to 0.7%; Si: 0.5 to 3%; Mn: 0.1 to 2%; Cr: more than 0% and 3% or less; Al: more than 0% and 0.1% or less; P: more than 0% and 0.02% or less; S: more than 0% and 0.02% or less; and N: more than 0% and 0.02%: or less, with the balance being iron and inevitable impurities, wherein, an uneven thickness ratio calculated by formula (1) below is 7.0% or less. Uneven Thickness Ratio=(Maximum Thickness−Minimum Thickness)/(Average Thickness)/2×100 (1)
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公开(公告)号：US20180105902A1
公开(公告)日：2018-04-19
申请号：US15562580
申请日：2016-03-31
发明人： Toshio Kazama , Yoshihisa Tani , Satoshi Shoji , Teruo Anraku , Masayuki Ainoya , Tomohiro Kubota , Kotaro Toyotake , Hitoshi Abe
CPC分类号： C22C30/02 , C22C5/04 , C22F1/00 , C22F1/14 , G01R1/06722 , G01R1/06755 , H01B1/026 , H01R12/7076 , H01R13/03 , H01R13/2421 , H01R2201/20
摘要： An alloy material includes: a composition, in a composition range of a ternary alloy of silver (Ag), palladium (Pd), and copper (Cu), the composition containing 20 to 30 wt % of Ag, 35 to 55 wt % of Pd, and 20 to 40 wt % of Cu. The composition as a base is added with tin (Sn) in a range of 0.5 to 2.5 wt %, further added with any one of or a combination of cobalt (Co), chromium (Cr), and zinc (Zn) in a range of 0.1 to 1.0 wt %, and added with 0.01 to 0.1 wt % of either one of or a combination of iridium (Ir) and ruthenium (Ru).
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10.发明申请PROCESS FOR MANUFACTURING SEAMLESS STEEL PIPE, HOLLOW SPRING UTILIZING SEAMLESS STEEL PIPE 审中-公开制造无缝钢管的方法，使用无缝钢管的中空弹簧公开(公告)号：US20170001226A1
公开(公告)日：2017-01-05
申请号：US15268268
申请日：2016-09-16
CPC分类号： B21B19/04 , B21B1/42 , B21C23/007 , B21C23/08 , B21C23/085 , B21F3/02 , C21D9/08 , C22C38/04 , C22C38/34 , C22C38/46 , F16F1/04 , F16F1/042 , F16F1/06 , F16F1/18
摘要： There are provided: a seamless steel pipe formed from a cylindrical steel material billet through a hot isostatic extrusion step, wherein a depth of a contiguous flaw formed on an inner periphery surface and an outer periphery surface of the steel pipe is 50 μm or less; a hollow spring obtained by forming a hollow body in a shape of a coil or a bar or a bar with curved part from the seamless steel pipe made of spring steel and applying a surface treatment to the hollow body so that the hollow body has compressive residual stress; and a method for producing seamless steel pipe including: a billet molding step; a first heating step; a hot isostatic extrusion step; a second heating step; an extension step; a third heating step; and a pickling step.
摘要翻译： 提供了一种通过热等静压挤出步骤由圆柱形钢材坯料形成的无缝钢管，其中形成在钢管的内周面和外周面上的相邻缺口的深度为50μm以下; 通过从由弹簧钢制成的无缝钢管形成具有弯曲部的线圈或棒或棒的中空体的空心弹簧，并对中空体进行表面处理，使得中空体具有压缩残余 强调; 以及生产无缝钢管的方法，包括：坯料成型步骤; 第一加热步骤; 热等静压挤压步骤; 第二加热步骤; 延伸步骤 第三加热步骤; 和酸洗步骤。
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