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1. 发明授权

US5173254A Steel having excellent vibration-dampening properties and weldability 失效
标题翻译：钢具有优异的抗振性和可焊性
公开(公告)号：US5173254A
公开(公告)日：1992-12-22
申请号：US787028
申请日：1991-11-04
申请人： Keniti Amano , Tomoya Koseki , Shozaburo Nakano , Syuzo Ueda
发明人： Keniti Amano , Tomoya Koseki , Shozaburo Nakano , Syuzo Ueda
IPC分类号： C22C38/00 , C22C38/06 , C22C38/16
CPC分类号： C22C38/06
摘要： Steel having excellent vibration-damping properties and weldability includes about 0.02 wt % or less of C, about 0.02 wt % or less of Si, and about 0.08 wt % or less of Mn. This steel also includes about 0.05 to 1.5 wt % of Cu, about 1.0 to 7.0 wt % of Al, about 0.008 wt % or less of N, and Fe and incidental impurities which together constitute the remaining wt %.
摘要翻译：具有优异的阻尼性和焊接性的钢包括约0.02重量％以下的C，约0.02重量％以下的Si和约0.08重量％以下的Mn。该钢还包括约0.05-1.5wt％的Cu，约1.0-7.0wt％的Al，约0.008wt％或更少的N，以及Fe和附带的杂质一起构成剩余的wt％。

2. 发明授权

US5900076A Bainitic steel materials having a less scattering of properties and method of producing the same 失效
标题翻译：具有较少散射性质的贝氏体钢材料及其制造方法
公开(公告)号：US5900076A
公开(公告)日：1999-05-04
申请号：US979625
申请日：1997-11-28
申请人： Tohru Hayashi , Keniti Amano , Mitsuhiro Okatsu , Kenji Oi , Fumimaru Kawabata , Tomoya Koseki , Noritsugu Itakura , Hiroki Ota
发明人： Tohru Hayashi , Keniti Amano , Mitsuhiro Okatsu , Kenji Oi , Fumimaru Kawabata , Tomoya Koseki , Noritsugu Itakura , Hiroki Ota
IPC分类号： C21D6/02 , C21D8/02 , C22C38/04 , C22C38/12 , C21D8/00
CPC分类号： C21D6/02 , C21D8/02 , C21D8/0226 , C22C38/04 , C22C38/12 , C21D2211/002 , C21D8/0263
摘要： This invention provides bainite steel materials having a less scattering of properties in a thickness direction or between steel materials by using a chemical composition of C: not less than 0.001 wt % but less than 0.030 wt %, Si: not more than 0.60 wt %, Mn: 1.00-3.00 wt %, Nb: 0.005-0.20 wt %, B: 0.0003-0.0050 wt % and Al: not more than 0.100 wt % and rendering not less than 90% of the material into a bainite texture in steel materials such as thick steel plates, steel sheets, section steels, rod steels and the like.
摘要翻译：本发明提供一种贝氏体钢材料，其厚度方向上或钢材之间的性能散射小，通过使用化学组成为C：不小于0.001重量％但小于0.030重量％，Si：不大于0.60重量％ Mn：1.00-3.00重量％，Nb：0.005-0.20重量％，B：0.0003-0.0050重量％，Al：不大于0.100重量％，并且使不少于90重量％的材料成为贝氏体组织，作为厚钢板，钢板，截面钢，棒钢等。

3. 发明授权

US5766381A Method of producing bainitic steel materials having a less scattering of properties 失效
标题翻译：生产具有较少散射性质的贝氏体钢材料的方法
公开(公告)号：US5766381A
公开(公告)日：1998-06-16
申请号：US646373
申请日：1996-05-15
申请人： Tohru Hayashi , Keniti Amano , Mitsuhiro Okatsu , Kenji Oi , Fumimaru Kawabata , Tomoya Koseki , Noritsugu Itakura , Hiroki Ota
发明人： Tohru Hayashi , Keniti Amano , Mitsuhiro Okatsu , Kenji Oi , Fumimaru Kawabata , Tomoya Koseki , Noritsugu Itakura , Hiroki Ota
IPC分类号： C21D6/02 , C21D8/02 , C22C38/04 , C22C38/12 , C21D8/00
CPC分类号： C21D6/02 , C21D8/02 , C21D8/0226 , C22C38/04 , C22C38/12 , C21D2211/002 , C21D8/0263
摘要： This invention provides bainite steel materials having a less scattering of properties in a thickness direction or between steel materials by using a chemical composition of C: not less than 0.001 wt % but less than 0.030 wt %, Si: not more than 0.60 wt %, Mn: 1.00-3.00 wt %, Nb: 0.005-0.20 wt %, B: 0.0003-0.0050 wt % and Al: not more than 0.100 wt % and rendering not less than 90% of the material into a bainite texture in steel materials such as thick steel plates, steel sheets, section steels, rod steels and the like.
摘要翻译： PCT No.PCT / JP95 / 01871 Sec。 371日期：1996年5月15日 102（e）日期1996年5月15日PCT提交1995年9月20日PCT公布。出版物WO96 / 09419 日本特开1996年3月28日本发明提供了通过使用C：不小于0.001重量％但小于0.030重量％的化学组成，在厚度方向或钢材之间具有较小散射特性的贝氏体钢材料，Si：不更多比例为0.60重量％，Mn：1.00-3.00重量％，Nb：0.005-0.20重量％，B：0.0003-0.0050重量％，Al：不大于0.100重量％，并使不少于90重量％的贝氏体材料粗钢板，钢板，截面钢，棒钢等钢材的质地。

4. 发明授权

US6136109A Method of manufacturing high chromium martensite steel pipe having excellent pitting resistance 失效
标题翻译：具有优异耐点蚀性的高铬马氏体钢管的制造方法
公开(公告)号：US6136109A
公开(公告)日：2000-10-24
申请号：US181829
申请日：1998-10-28
申请人： Yukio Miyata , Mitsuo Kimura , Tomoya Koseki , Takaaki Toyooka , Fumio Murase
发明人： Yukio Miyata , Mitsuo Kimura , Tomoya Koseki , Takaaki Toyooka , Fumio Murase
IPC分类号： C21D1/18 , C21D6/00 , C21D8/10 , C21D9/08 , C22C38/00 , C22C38/42 , C22C38/58
CPC分类号： C21D8/105 , C21D6/002 , C21D9/08 , C22C38/001 , C22C38/42 , C22C38/58 , C21D1/18 , C21D2211/008 , C21D6/004
摘要： A high-Cr martensite steel pipe having excellent pitting resistance and method for manufacturing the same, which involves forming a pipe of steel including C: about 0.03 wt % or less, Si: about 0.5 wt % or less, Mn: about 0.5-3.0 wt %, Cr: about 10.0-14.0 wt %, Ni: about 0.2-2.0 wt %, Cu: about 0.2-1.0 wt % and N: about 0.03 wt % or less with the balance being Fe and incidental impurities, and having a value X shown as defined in the following formula (1) of about 12.2 or more. The pipe is quenched after austenitizing it at a temperature substantially equal to an A.sub.C3 point or higher, and the pipe is annealed in a temperature range from about 550.degree. C. or higher to a temperature lower than an A.sub.C1 point.value X=(Cr%)+3(Cu%)-3(C%) (1)The high-Cr martensite steel pipe made by this method exhibits excellent pitting resistance and overall surface corrosion resistance even in an environment containing a carbonic acid gas, and further exhibits excellent weldability and toughness in the welding-heat-affected zones.
摘要翻译：具有优异的耐点蚀性的高Cr马氏体钢管及其制造方法，其特征在于，包括形成C：约0.03重量％以下，Si：约0.5重量％以下，Mn：约0.5-3.0的钢管重量％，Cr：约10.0〜14.0重量％，Ni：约0.2〜2.0重量％，Cu：约0.2〜1.0重量％，N：约0.03重量％以下，余量为Fe及附带杂质，如下述式（1）所示的值X为约12.2以上。在基本上等于AC3点以上的温度奥氏体化后，管道淬火，管道在约550℃以上至低于AC1点的温度范围内进行退火。值X =（Cr ％）+ 3（Cu％）-3（C％）（1）通过该方法制造的高Cr马氏体钢管即使在含有碳酸气体的环境中也具有优异的耐点蚀性和整体表面耐腐蚀性，焊接热影响区的焊接性和韧性优良。

5. 发明授权

US5985209A Martensitic steel for line pipe having excellent corrosion resistance and weldability 失效
标题翻译：管线管马氏体钢具有优良的耐腐蚀性和焊接性
公开(公告)号：US5985209A
公开(公告)日：1999-11-16
申请号：US821512
申请日：1997-03-21
申请人： Mitsuo Kimura , Yukio Miyata , Tomoya Koseki , Takaaki Toyooka , Fumio Murase
发明人： Mitsuo Kimura , Yukio Miyata , Tomoya Koseki , Takaaki Toyooka , Fumio Murase
IPC分类号： C22C38/00 , C22C38/44 , C22C38/58 , C22C38/42
CPC分类号： C22C38/44
摘要： A martensitic steel for a line pipe having excellent corrosion resistance and weldability is disclosed. The martensitic steel contains about:0.02 wt % or less of C, 0.50 wt % or less of Si,0.2 to 3.0 wt % of Mn, 10 to 14 wt % of Cr,0.2 to 7.0 wt % of Ni, 0.2 to 5.0 wt % of Mo,0.1 wt % or less of Al, 0.07 wt % or less of N, andthe balance being Fe and incidental impurities; andthese elements satisfy substantially the following equations:(Cr %)+(Mo %)+0.1(N %)-3(C %).gtoreq.12.2,(Cr %)+3.5(Mo %)+10(N %)+0.2(Ni %)-20(C %).gtoreq.14.5, and150(C %)+100(N %)-(Ni %)-(Mn %).ltoreq.4.The martensitic steel may further contain at least one element selected from the group consisting ofabout 2.0 wt % or less of Cu, about 0.15 wt % or less of Ti, about 0.15 wt % or less of Zr, about 0.15 wt % or less of Ta andabout 0.006 wt % or less of Ca, andthese elements satisfy substantially the following equations:(Cr %)+(Mo %)+0.1(N %)+3(Cu %)-3(C %).gtoreq.12.2,(Cr %)+3.5(Mo %)+10(N %)+0.2(Ni %)-20(C %).gtoreq.14.5,150(C %)+100(N %)-(Ni %)-(Mn %).ltoreq.4.
摘要翻译：公开了一种具有优异的耐腐蚀性和焊接性的线管的马氏体钢。马氏体钢的含量为：0.02重量％以下的C，0.50重量％以下的Si，0.2〜3.0重量％的Mn，10〜14重量％的Cr，0.2〜7.0重量％的Ni，0.2〜5.0重量％的Mo，0.1重量％以下的Al，0.07重量％以下的N，余量为Fe和附带的杂质; 这些元素基本上满足以下等式：（Cr％）+（Mo％）+ 0.1（N％）-3（C％）> / = 12.2，（Cr％）+ 3.5（Mo％）+ 10（N％）+0.2（Ni％）-20（C％）> / = 14.5,150（C％）+ 100（N％） - （Ni％） - （Mn％）4。马氏体钢还可以含有选自Cu：2.0重量％以下，Ti：0.15重量％以下，Zr：0.15重量％以下，Zr：0.15重量％以下，0.15重量％以下 Ta和约0.006重量％以下的Ca，这些元素基本上满足以下等式：（Cr％）+（Mo％）+ 0.1（N％）+ 3（Cu％）-3（C％）> 12.2，（Cr％）+ 3.5（Mo％）+10（N％）+ 0.2（Ni％）-20（C％）> = 14.5,150（C％）+ 100（N％） - （Ni％） - （Mn％）

6. 发明授权

US5858128A High chromium martensitic steel pipe having excellent pitting resistance and method of manufacturing 失效
标题翻译：具有优异耐点蚀性的高铬马氏体钢管及其制造方法
公开(公告)号：US5858128A
公开(公告)日：1999-01-12
申请号：US634860
申请日：1996-04-19
申请人： Yukio Miyata , Mitsuo Kimura , Tomoya Koseki , Takaaki Toyooka , Fumio Murase
发明人： Yukio Miyata , Mitsuo Kimura , Tomoya Koseki , Takaaki Toyooka , Fumio Murase
IPC分类号： C21D1/18 , C21D6/00 , C21D8/10 , C21D9/08 , C22C38/00 , C22C38/42 , C22C38/58 , C22C38/18
CPC分类号： C21D8/105 , C21D6/002 , C21D9/08 , C22C38/001 , C22C38/42 , C22C38/58 , C21D1/18 , C21D2211/008 , C21D6/004
摘要： A high-Cr martensitic steel pipe having excellent pitting resistance and method for manufacturing the same, which involves forming a pipe of steel including C: about 0.03 wt % or less, Si: about 0.5 wt % or less, Mn: about 0.5-3.0 wt %, Cr: about 10.0-14.0 wt %, Ni: about 0.2-2.0 wt %, Cu: about 0.2-1.0 wt % and N: about 0.03 wt % or less with the balance being Fe and incidental impurities, and having a value X shown as defined in the following formula (1) of about 12.2 or more. The pipe is quenched after austenitizing it at a temperature substantially equal to an Ac.sub.3 point or higher, and the pipe is tempered in a temperature range from about 550.degree. C. or higher to a temperature lower than an Ac.sub.1 point.value X=(Cr %)+3(Cu %)-3(C %) (1)The high-Cr martensitic steel pipe made by this method exhibits excellent pitting resistance and general corrosion resistance even in an environment containing a carbonic acid gas, and further exhibits excellent weldability and toughness in the heat-affected zones.
摘要翻译：具有优异的耐点蚀性的高Cr马氏体钢管及其制造方法，其特征在于，包括形成C：约0.03重量％以下，Si：约0.5重量％以下，Mn：约0.5-3.0的钢管重量％，Cr：约10.0〜14.0重量％，Ni：约0.2〜2.0重量％，Cu：约0.2〜1.0重量％，N：约0.03重量％以下，余量为Fe及附带杂质，如下述式（1）所示的值X为约12.2以上。在基本等于Ac3点以上的温度奥氏体化之后，管道被淬火，并且在约550℃以上的温度范围内回火到低于Ac1点的温度。值X =（Cr ％）+ 3（Cu％）-3（C％）（1）通过该方法制造的高Cr马氏体钢管即使在含有碳酸气体的环境中也具有优异的耐点蚀性和一般的耐腐蚀性，并且还显示出优异的热影响区的焊接性和韧性。

7. 发明授权

US5738734A Centrifugal cast roll shell material 失效
标题翻译：离心铸辊外壳材质
公开(公告)号：US5738734A
公开(公告)日：1998-04-14
申请号：US737070
申请日：1996-10-29
申请人： Yoshitaka Sawa , Tomoya Koseki , Kenji Ichino
发明人： Yoshitaka Sawa , Tomoya Koseki , Kenji Ichino
IPC分类号： B21B27/00 , B22D13/02 , C22C37/00 , C22C37/06 , C22C37/08 , C22C38/36
CPC分类号： C22C37/06 , B21B27/00
摘要： A centrifugal cast roll shell material composed of a granular MC carbide, graphite and C: 2.5 to 4.7%, Si: 0.8 to 3.2%, Mn: 0.1 to 2.0%, Cr: 0.4 to 1.9%, Mo: 0.6 to 5%, V: 3.0 to 10.0% and Nb: 0.6 to 7.0%, satisfying the following formulae (1), (2), (3) and (4): 2.0+0.715 V+0.10 Nb.ltoreq.C (%) (1) 1.1.ltoreq.Mo/Cr (2) Nb/V.ltoreq.0.8 (3) 0.2.ltoreq.Nb/V (4), the remainder being Fe and inevitable impurities, wherein the pouring temperature is 1,400.degree. C. or higher.
摘要翻译： PCT No.PCT / JP96 / 00544 Sec。 371日期1996年10月29日第 102（e）日期1996年10月29日PCT 1996年3月6日PCT公布。公开号WO96 / 27688 日期1996年9月12日由粒状MC碳化物，石墨和C：2.5〜4.7％，Si：0.8〜3.2％，Mn：0.1〜2.0％，Cr：0.4〜1.9％，Mo： 0.6〜5％，V：3.0〜10.0％，Nb：0.6〜7.0％，满足下式（1），（2），（3）和（4）：2.0 + 0.715 V + 0.10 Nb < （％）（1）1.1

8. 发明授权

US6095957A Roll for hot rolling having enhanced abrasion resistance and reduced carbide segregation 失效
标题翻译：具有增强的耐磨性和降低的碳化物偏析的热轧辊
公开(公告)号：US6095957A
公开(公告)日：2000-08-01
申请号：US011152
申请日：1998-01-29
申请人： Kenji Ichino , Tomoya Koseki , Takaaki Toyooka , Kohji Yuda
发明人： Kenji Ichino , Tomoya Koseki , Takaaki Toyooka , Kohji Yuda
IPC分类号： B21B27/00 , B32B15/01 , B23P15/00
CPC分类号： B21B27/00 , B32B15/011
摘要： High-quality high-speed steel roll which is markedly excellent in abrasion resistance and free of carbide segregation even in the case of production by centrifugal casting of economical benefit; it comprises an outer layer containing, by all weight ratios, C; 2.4-2.9%, Si; not more than 1%, Mn; not more than 1%, Cr; 12-18%, Mo; 3-9%, V; 3-8% and Nb; 0.5-4%, and meeting with the following equations (1) and (2) at one time,0.27.gtoreq.Mo (%)/Cr (%).ltoreq.0.7 (1)C (%)+0.2.multidot.Cr (%).ltoreq.6.2 (2)the outer layer further containing as the balance Fe and unavoidable impurities.
摘要翻译： PCT No.PCT / JP97 / 02062 Sec。 371日期1998年1月29日 102（e）日期1998年1月29日PCT提交1997年6月16日PCT公布。出版物WO97 / 48505 日期1997年12月24日即使在离心铸造生产的经济效益的情况下，耐磨性显着优异且没有碳化物偏析的高品质高速钢辊; 它包括一个外层，其中所有的重量比都是C; 2.4-2.9％，Si; 不超过1％，Mn; 不超过1％，Cr; 12-18％，Mo; 3-9％，V; 3-8％和Nb; 0.5-4％，并同时符合下列公式（1）和（2）：0.27> / = Mo（％）/ Cr（％）

9. 发明授权

US5839495A Method of manufacturing roll for hot rolling 失效
标题翻译：制造轧制辊的方法
公开(公告)号：US5839495A
公开(公告)日：1998-11-24
申请号：US932691
申请日：1997-09-18
申请人： Kenji Ichino , Tomoya Koseki , Yoshitaka Sawa
发明人： Kenji Ichino , Tomoya Koseki , Yoshitaka Sawa
IPC分类号： B21B27/00 , B22D19/16 , B32B15/01 , C22C37/00 , C22C37/06 , C22C37/10 , B23P15/00
CPC分类号： B32B15/011 , B21B27/00 , B22D19/16 , C22C37/06 , Y10T29/49563
摘要： A roll outer layer material for hot rolling includes, as analyzed in weight percent, of 2.5-4.0% C, 6.0-20% Cr, 3.0-10.0% V, 0.6-5.0% Nb, 2.0-15% Mo, 3.0% or below Si, 3.0% or below Mn, C, V, Nb and Cr satisfying a following formula (1), 10.5(%).ltoreq.6.5.C(%)-1.3.V(%)-0.7.Nb(%).ltoreq.2.Cr(%)-2(%)(1) , and the balance being Fe and incidental impurities. A method of manufacturing a roll for hot rolling includes the steps of centrifugally casting an outer layer material having the above composition, centrifugally casting graphite steel containing 0.5% or above of C as an intermediate layer, and casting an axis material which is a spheroidal graphite cast iron, a flake graphite cast iron or a graphite steel. C is present in the intermediate layer in an amount which satisfies a following formula (2), C (intermediate layer).gtoreq.2.0-0.5 (C-0.2 V-0.11 Nb)(outer layer)(2)
摘要翻译：用于热轧的辊外层材料包括如重量百分比为2.5-4.0％C，6.0-20％Cr，3.0-10.0％V，0.6-5.0％Nb，2.0-15％Mo，3.0％或低于Si，3.0％以下的Mn，C，V，Nb和Cr满足下式（1），10.5（％）≤6.5.C（％）-1.3.V（％）-0.7。Nb（％） / = 2.0-0.5（C-0.2V-0.11 Nb）（外层）（2）的量存在于中间层中。

10. 发明授权

US5827379A Process for producing extra high tensile steel having excellent stress corrosion cracking resistance 失效
标题翻译：具有优异的耐应力腐蚀开裂性的超高强度钢的制造方法
公开(公告)号：US5827379A
公开(公告)日：1998-10-27
申请号：US785717
申请日：1997-01-17
申请人： Yoshihiro Okamura , Ryota Yamaba , Tomoya Koseki , Ichiro Nakagawa
发明人： Yoshihiro Okamura , Ryota Yamaba , Tomoya Koseki , Ichiro Nakagawa
IPC分类号： C21D1/18 , C21D8/02 , C21D6/00
CPC分类号： C21D8/0205 , C21D1/185 , C21D8/0263
摘要： An extra high tensile steel having an excellent stress corrosion cracking resistance in sea water and a yield strength of 1080 MPa or more is provided. A slab comprising, in terms of % by weight, 0.04 to 0.09% of C, 0.01 to 0.10% of Si, 0.05 to 0.65% of Mn, 8.0 to 11.0% of Ni, 0.5 to 1.5% of Mo, 0.2 to 1.5% of Cr, 0.02 to 0.20% of V and 0.01 to 0.08% of Al with the balance consisting of iron and unavoidable impurities is heated to a temperature between 1000.degree. C. and 1250.degree. C., hot rolled at a temperature of Ar' point or above, air-cooled, reheated at a rate of 120.degree. C./min or less to a temperature region of from (A.sub.C3 point--40.degree. C.) to (A.sub.C3 point+40.degree. C.), quenched and subsequently tempered at a temperature of the A.sub.C1 point or below.
摘要翻译：提供了一种在海水中具有优异的耐应力腐蚀开裂性和1080MPa以上的屈服强度的超高强度钢。一种板坯，以重量％计，C：0.04〜0.09％，Si：0.01〜0.10％，Mn：0.05〜0.65％，Ni：8.0〜11.0％，Mo：0.5〜1.5％，Mo：0.2〜1.5％的Cr，0.02〜0.20％的V和0.01〜0.08％的Al余量由铁和不可避免的杂质组成的混合物加热至1000℃至1250℃的温度，在Ar'点的温度下热轧或以上，空气冷却，以120℃/分钟以下的速度加热至（AC3-40℃）至（AC3点+ 40℃）的温度区域，淬火并随后在 AC1点以下的温度。

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