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1. 发明申请

US20100086430A1 HEAT RESISTANT FERRITIC STEEL 审中-公开
标题翻译：耐热钢
公开(公告)号：US20100086430A1
公开(公告)日：2010-04-08
申请号：US12631307
申请日：2009-12-04
申请人： Hiroyuki Hirata , Mitsuru Yoshizawa , Kazuhiro Ogawa , Masaaki Igarashi
发明人： Hiroyuki Hirata , Mitsuru Yoshizawa , Kazuhiro Ogawa , Masaaki Igarashi
IPC分类号： C22C38/30 , C22C38/22 , C22C38/02 , C22C38/24 , C22C38/26
CPC分类号： C22C38/24 , C22C38/001 , C22C38/005 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/22 , C22C38/26 , C22C38/30 , C22C38/32
摘要： There is provided a heat resistant ferritic steel, excellent in the weld crack resistance of the HAZ and creep strength. A high-Cr heat resistant ferritic steel is characterized by consisting of, by mass %, Si: more than 0.1% and not more than 1.0%, Mn: 2.0% or less, Co: 1 to 8%, Cr: 7 to 13%, V: 0.05 to 0.4%, Nb: 0.01 to 0.09%, either one or both of Mo and W: 0.5 to 4% as a total, B: 0.005 to 0.025%, Al: 0.03% or less, and N: 0.003 to 0.06%, and containing C in an amount satisfying Expression (1), the balance being Fe and impurities, and O, P and S as impurities being such that O: 0.02% or less, P: 0.03% or less, and S: 0.02% or less, respectively, 0.005≦C≦(−5/3)×B+0.085 (1) in which C and B represent the content of each element (mass %). Furthermore, the high-Cr heat resistant ferritic steel may contain one or more kinds selected from the group consisting of Nd, Ta, Ca and Mg.
摘要翻译：提供耐热铁素体钢，HAZ的耐焊缝龟裂性和蠕变强度优异。高Cr耐热铁素体钢的特征在于以质量％计含有Si：大于0.1％且不大于1.0％的Mn：2.0％以下，Co：1〜8％，Cr：7〜13 ％，V：0.05〜0.4％，Nb：0.01〜0.09％，Mo和W中的任一种或两者：总计为0.5〜4％，B：0.005〜0.025％，Al：0.03％以下，N： 0.003〜0.06％，含有满足式（1）的量的C，余量为Fe和杂质，作为杂质的O，P和S为O：0.02％以下，P：0.03％以下，P：0.03％以下， S：0.02％以下，分别为0.005＆nlE; C＆NlE;（ - 5/3）×B + 0.085（1）其中C和B表示各元素的含量（质量％）。此外，高Cr耐热铁素体钢可以含有选自Nd，Ta，Ca和Mg中的一种或多种。

2. 发明授权

US08808473B2 Austenitic heat resistant alloy 有权
标题翻译：奥氏体耐热合金
公开(公告)号：US08808473B2
公开(公告)日：2014-08-19
申请号：US13472640
申请日：2012-05-16
申请人： Hiroyuki Hirata , Hirokazu Okada , Hiroyuki Semba , Kazuhiro Ogawa , Atsuro Iseda , Mitsuru Yoshizawa
发明人： Hiroyuki Hirata , Hirokazu Okada , Hiroyuki Semba , Kazuhiro Ogawa , Atsuro Iseda , Mitsuru Yoshizawa
IPC分类号： C22C19/05
CPC分类号： C22C19/055
摘要： An austenitic heat resistant alloy includes, by mass percent, C: 0.15% or less, Si: 2% or less, Mn: 3% or less, Ni: 40 to 60%, Co: 10.14 to 25%, Cr: 15% or more and less than 28%, either one or both of Mo: 12% or less and W: less than 0.05%, the total content thereof being 0.1 to 12%, Nd: 0.001 to 0.1%, B: 0.0005 to 0.006%, N: 0.03% or less, O: 0.03% or less, at least one selected from Al: 1.36% or less, Ti: 3% or less, and Nb: 3% or less, and the balance being Fe and impurities. The contents of P and S in the impurities are P: 0.03% or less and S: 0.01% or less. The alloy satisfies 1≦4×Al+2×Ti+Nb≦12 and P+0.2×Cr×B≦0.035, where an element in the Formulas represents the content by mass percent.
摘要翻译：奥氏体系耐热合金的质量百分比含有：C：0.15％以下，Si：2％以下，Mn：3％以下，Ni：40〜60％，Co：10.14〜25％，Cr：15％以上且小于28％，Mo：12％以下，W：小于0.05％，其总含量为0.1〜12％，Nd：0.001〜0.1％，B：0.0005〜0.006％，N：0.03％以下，O：0.03％以下，Al：1.36％以下，Ti：3％以下，Nb：3％以下中的至少一种，余量为Fe和杂质。杂质中P和S的含量为P：0.03％以下，S：0.01％以下。合金满足1＆nlE; 4×Al + 2×Ti + Nb＆nlE; 12和P + 0.2×Cr×B＆nlE; 0.035，式中的元素表示质量百分含量。

3. 发明申请

US20120288400A1 AUSTENITIC HEAT RESISTANT ALLOY 有权
标题翻译：奥氏体耐热合金
公开(公告)号：US20120288400A1
公开(公告)日：2012-11-15
申请号：US13472640
申请日：2012-05-16
申请人： Hiroyuki Hirata , Hirokazu Okada , Hiroyuki Semba , Kazuhiro Ogawa , Atsuro Iseda , Mitsuru Yoshizawa
发明人： Hiroyuki Hirata , Hirokazu Okada , Hiroyuki Semba , Kazuhiro Ogawa , Atsuro Iseda , Mitsuru Yoshizawa
IPC分类号： C22C19/05
CPC分类号： C22C19/055
摘要： An austenitic heat resistant alloy consisting of, by mass percent, C: 0.15% or less, Si: 2% or less, Mn: 3% or less, Ni: 40 to 60%, Co: 0.03 to 25%, Cr: 15% or more and less than 28%, either one or both of Mo: 12% or less and W: less than 4%, the total content thereof being 0.1 to 12%, Nd: 0.001 to 0.1%, B: 0.0005 to 0.006%, N: 0.03% or less, O: 0.03% or less, at least one selected from Al: 3% or less, Ti: 3% or less, and Nb: 3% or less, the balance being Fe and impurities. The contents of P and S in the impurities being P: 0.03% or less and S: 0.01% or less. The alloy satisfies 1≦4×Al+2×Ti+Nb≦12 and P+0.2×Cr×B≦0.035, is excellent in weld crack resistance and toughness of HAZ, and is further excellent in creep strength at high temperatures.
摘要翻译：一种奥氏体系耐热合金，以质量％计含有C：0.15％以下，Si：2％以下，Mn：3％以下，Ni：40〜60％，Co：0.03〜25％，Cr：15 ％以上且小于28％，Mo：12％以下，W：小于4％，其总含量为0.1〜12％，Nd：0.001〜0.1％，B：0.0005〜0.006 ％，N：0.03％以下，O：0.03％以下，选自Al：3％以下，Ti：3％以下，Nb：3％以下，余量为Fe和杂质中的至少一种。杂质中P和S的含量为：0.03％以下，S：0.01％以下。合金满足1＆nlE; 4×Al + 2×Ti + Nb＆nlE; 12和P + 0.2×Cr×B＆nlE; 0.035，HAZ的耐熔融裂纹性和韧性优异，并且在高温下的蠕变强度更优异。

4. 发明授权

US10266909B2 High-strength austenitic stainless steel for high-pressure hydrogen gas 有权
公开(公告)号：US10266909B2
公开(公告)日：2019-04-23
申请号：US14007992
申请日：2012-03-19
申请人： Tomohiko Omura , Jun Nakamura , Hirokazu Okada , Hiroyuki Semba , Yusaku Tomio , Hiroyuki Hirata , Masaaki Igarashi , Kazuhiro Ogawa , Masaaki Terunuma
发明人： Tomohiko Omura , Jun Nakamura , Hirokazu Okada , Hiroyuki Semba , Yusaku Tomio , Hiroyuki Hirata , Masaaki Igarashi , Kazuhiro Ogawa , Masaaki Terunuma
IPC分类号： C21D9/46 , C22C38/00 , C22C38/02 , C22C38/06 , C22C38/42 , C22C38/44 , C22C38/46 , C22C38/48 , C22C38/50 , C22C38/58 , C22C38/52 , C22C38/54 , C21D6/00 , C21D8/02 , C21D1/26 , F16L9/02
摘要： There is provided an austenitic stainless steel for high-pressure hydrogen gas consisting, by mass percent, of C: 0.10% or less, Si: 1.0% or less, Mn: 3% or more to less than 7%, Cr: 15 to 30%, Ni: 10% or more to less than 17%, Al: 0.10% or less, N: 0.10 to 0.50%, and at least one kind of V: 0.01 to 1.0% and Nb: 0.01 to 0.50%, the balance being Fe and impurities, wherein in the impurities, the P content is 0.050% or less and the S content is 0.050% or less, the tensile strength is 800 MPa or higher, the grain size number (ASTM E112) is No. 8 or higher, and alloy carbo-nitrides having a maximum diameter of 50 to 1000 nm are contained in the number of 0.4/μm2 or larger in cross section observation.

5. 发明申请

US20140017111A1 HIGH-STRENGTH AUSTENITIC STAINLESS STEEL FOR HIGH-PRESSURE HYDROGEN GAS 审中-公开
标题翻译：用于高压氢气的高强度奥氏体不锈钢
公开(公告)号：US20140017111A1
公开(公告)日：2014-01-16
申请号：US14007992
申请日：2012-03-19
申请人： Tomohiko Omura , Jun Nakamura , Hirokazu Okada , Hiroyuki Semba , Yusabu Tomio , Hiroyuki Hirata , Masaaki Igarashi , Kazuhiro Ogawa , Masaaki Terunuma
发明人： Tomohiko Omura , Jun Nakamura , Hirokazu Okada , Hiroyuki Semba , Yusabu Tomio , Hiroyuki Hirata , Masaaki Igarashi , Kazuhiro Ogawa , Masaaki Terunuma
IPC分类号： C22C38/58 , C22C38/52 , C22C38/50 , C22C38/00 , C22C38/44 , C22C38/42 , C22C38/02 , C22C38/54 , C22C38/48
CPC分类号： C21D9/46 , C21D1/26 , C21D6/004 , C21D6/005 , C21D6/008 , C21D8/0226 , C21D8/0236 , C21D8/0247 , C21D2211/001 , C21D2211/004 , C22C38/001 , C22C38/002 , C22C38/004 , C22C38/005 , C22C38/02 , C22C38/06 , C22C38/42 , C22C38/44 , C22C38/46 , C22C38/48 , C22C38/50 , C22C38/52 , C22C38/54 , C22C38/58 , F16L9/02
摘要： There is provided an austenitic stainless steel for high-pressure hydrogen gas consisting, by mass percent, of C: 0.10% or less, Si: 1.0% or less, Mn: 3% or more to less than 7%, Cr: 15 to 30%, Ni: 10% or more to less than 17%, Al: 0.10% or less, N: 0.10 to 0.50%, and at least one kind of V: 0.01 to 1.0% and Nb: 0.01 to 0.50%, the balance being Fe and impurities, wherein in the impurities, the P content is 0.050% or less and the S content is 0.050% or less, the tensile strength is 800 MPa or higher, the grain size number (ASTM E112) is No. 8 or higher, and alloy carbo-nitrides having a maximum diameter of 50 to 1000 nm are contained in the number of 0.4/μm2 or larger in cross section observation.
摘要翻译：提供了一种用于高压氢气的奥氏体不锈钢，其质量百分比为C：0.10％以下，Si：1.0％以下，Mn：3％以上至小于7％，Cr：15〜 30％，Ni：10％以上至小于17％，Al：0.10％以下，N：0.10〜0.50％，V：0.01〜1.0％，Nb：0.01〜0.50％中的至少一种，余量为Fe和杂质，其中在杂质中，P含量为0.050％以下，S含量为0.050％以下，拉伸强度为800MPa以上，粒径数（ASTM E112）为8 以上，截面观察中最大直径为50〜1000nm的合金碳氮化物的含量为0.4 / m 2以上。

6. 发明授权

US09328403B2 Ni-based heat resistant alloy 有权
标题翻译：镍基耐热合金
公开(公告)号：US09328403B2
公开(公告)日：2016-05-03
申请号：US14237586
申请日：2012-07-31
申请人： Hiroyuki Semba , Hirokazu Okada , Hiroyuki Hirata , Mitsuru Yoshizawa , Atsuro Iseda
发明人： Hiroyuki Semba , Hirokazu Okada , Hiroyuki Hirata , Mitsuru Yoshizawa , Atsuro Iseda
IPC分类号： C22C19/05 , C22F1/10
CPC分类号： C22C19/056 , C22C19/05 , C22C19/051 , C22C19/055 , C22F1/10
摘要： A Ni-based heat resistant alloy as pipe, plate, rod, forgings and the like consists of C≦0.15%, Si≦2%, Mn≦3%, P≦0.03%, S≦0.01%, Cr: 15% or more and less than 28%, Mo: 3 to 15%, Co: more than 5% and not more than 25%, Al: 0.2 to 2%, Ti: 0.2% to 3%, Nd: fn to 0.08%, and O≦0.4Nd, further containing, as necessary, at least one kind of Nb, W, B, Zr, Hf, Mg, Ca, Y, La, Ce, Ta, Re and Fe of specific amounts, the balance being Ni and impurities, wherein, fn=1.7×10−5d+0.05{(Al/26.98)+(Ti/47.88)+(Nb/92.91)}. In the formula, d denotes an average grain size (μm), and each element symbol denotes the content (mass %) of that element. If the alloy contains W, Mo+(W/2)≦15% holds. The alloy has improved ductility after long-term use at high temperatures, and cracking due to welding can be avoided.
摘要翻译：作为管，板，棒，锻件等的Ni基耐热合金由C＆lt; Ll; 0.15％，Si＆NlE; 2％，Mn＆NlE; 3％，P＆NlE; 0.03％，S＆lt; 0.01％，Cr：15％多于28％，Mo：3〜15％，Co：5％以上25％以下，Al：0.2〜2％，Ti：0.2％〜3％，Nd：fn〜0.08％ O，nNE，0.4Nd，根据需要还含有特定量的Nb，W，B，Zr，Hf，Mg，Ca，Y，La，Ce，Ta，Re和Fe中的至少一种，其余为Ni和杂质，其中，fn = 1.7×10-5d + 0.05 {（Al / 26.98）+（Ti / 47.88）+（Nb / 92.91）}。式中，d表示平均粒径（μm），各元素符号表示该元素的含量（质量％）。如果合金含有W，则Mo +（W / 2）＆nlE; 15％成立。该合金在长期使用高温下具有改善的延展性，并且可以避免由于焊接引起的开裂。

7. 发明申请

US20130130058A1 AUSTENITIC STAINLESS STEEL 审中-公开
标题翻译：奥氏体不锈钢
公开(公告)号：US20130130058A1
公开(公告)日：2013-05-23
申请号：US13429966
申请日：2012-03-26
申请人： Atsuro ISEDA , Yoshitaka Nishiyama , Masahiro Seto , Satomi Yamamoto , Hiroyuki Hirata , Yasutaka Noguchi , Mitsuru Yoshizawa , Hiroshi Matsuo
发明人： Atsuro ISEDA , Yoshitaka Nishiyama , Masahiro Seto , Satomi Yamamoto , Hiroyuki Hirata , Yasutaka Noguchi , Mitsuru Yoshizawa , Hiroshi Matsuo
IPC分类号： B32B15/01
CPC分类号： C22C38/42 , C21D6/004 , C21D7/06 , C21D9/08 , C22C38/001 , C22C38/002 , C22C38/005 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/44 , C22C38/46 , C22C38/48 , C22C38/50 , C22C38/52 , C22C38/54 , C22C38/58 , Y10T428/12653
摘要： To provide an austenitic stainless steel which has an excellent high-temperature corrosion thermal fatigue cracking resistance.An austenitic stainless steel containing, by mass %, Cr: 15.0 to 23.0%, and Ni: 6.0 to 20.0%, wherein a near-surface portion is covered with a worked layer with high energy density having an average thickness of 5 to 30 μm.
摘要翻译：提供具有优异的高温腐蚀热疲劳抗开裂性的奥氏体不锈钢。一种奥氏体不锈钢，以质量％计含有Cr：15.0〜23.0％，Ni：6.0〜20.0％，其中表面部分被平均厚度为5〜30μm的能量密度高的加工层覆盖。

8. 发明申请

US20140234155A1 Ni-BASED HEAT RESISTANT ALLOY 有权
标题翻译：镍基耐热合金
公开(公告)号：US20140234155A1
公开(公告)日：2014-08-21
申请号：US14237586
申请日：2012-07-31
申请人： Hiroyuki Semba , Hirokazu Okada , Hiroyuki Hirata , Mitsuru Yoshizawa , Atsuro Iseda
发明人： Hiroyuki Semba , Hirokazu Okada , Hiroyuki Hirata , Mitsuru Yoshizawa , Atsuro Iseda
IPC分类号： C22C19/05
CPC分类号： C22C19/056 , C22C19/05 , C22C19/051 , C22C19/055 , C22F1/10
摘要： A Ni-based heat resistant alloy as pipe, plate, rod, forgings and the like consists of C≦0.15%, Si≦2%, Mn≦3%, P≦0.03%, S≦0.01%, Cr: 15% or more and less than 28%, Mo: 3 to 15%, Co: more than 5% and not more than 25%, Al: 0.2 to 2%, Ti: 0.2% to 3%, Nd: fn to 0.08%, and O≦0.4Nd, further containing, as necessary, at least one kind of Nb, W, B, Zr, Hf, Mg, Ca, Y, La, Ce, Ta, Re and Fe of specific amounts, the balance being Ni and impurities, wherein, fn=1.7×10−5d+0.05{(Al/26.98)+(Ti/47.88)+(Nb/92.91)}. In the formula, d denotes an average grain size (μm), and each element symbol denotes the content (mass %) of that element. If the alloy contains W, Mo+(W/2)≦15% holds. The alloy has improved ductility after long-term use at high temperatures, and cracking due to welding can be avoided.
摘要翻译：作为管，板，棒，锻件等的Ni基耐热合金由C＆lt; Ll; 0.15％，Si＆NlE; 2％，Mn＆NlE; 3％，P＆NlE; 0.03％，S＆lt; 0.01％，Cr：15％多于28％，Mo：3〜15％，Co：5％以上25％以下，Al：0.2〜2％，Ti：0.2％〜3％，Nd：fn〜0.08％ O，nNE，0.4Nd，根据需要还含有特定量的Nb，W，B，Zr，Hf，Mg，Ca，Y，La，Ce，Ta，Re和Fe中的至少一种，其余为Ni和杂质，其中，fn = 1.7×10-5d + 0.05 {（Al / 26.98）+（Ti / 47.88）+（Nb / 92.91）}。式中，d表示平均粒径（μm），各元素符号表示该元素的含量（质量％）。如果合金含有W，则Mo +（W / 2）＆nlE; 15％成立。该合金在长期使用高温下具有改善的延展性，并且可以避免由于焊接引起的开裂。

9. 发明授权

US08293169B2 Ni-base heat resistant alloy 有权
标题翻译：镍基耐热合金
公开(公告)号：US08293169B2
公开(公告)日：2012-10-23
申请号：US13070689
申请日：2011-03-24
申请人： Hiroyuki Semba , Atsuro Iseda , Hiroyuki Hirata , Kaori Kawano , Masaaki Igarashi , Osamu Miyahara
发明人： Hiroyuki Semba , Atsuro Iseda , Hiroyuki Hirata , Kaori Kawano , Masaaki Igarashi , Osamu Miyahara
IPC分类号： C22C19/05
CPC分类号： C22C19/055 , C22C19/056
摘要： A high strength, ductile, and tough Ni-base heat resistant alloy comprises by mass percent, C: 0.1% or less, Si: 1% or less, Mn: 1% or less, Cr: not less than 15% to less than 28%, Fe: 15% or less, W: more than 5% to not more than 20%, Al: more than 0.5% to not more than 2%, Ti: more than 0.5% to not more than 2%, Nd: 0.001 to 0.1% and B: 0.0005 to 0.01%, with the balance being Ni and impurities. Impurity contents of P, S, Sn, Pb, Sb, Zn and As are P: 0.03% or less, S: 0.01% or less, Sn: 0.020% or less, Pb: 0.010% or less, Sb: 0.005% or less, Zn: 0.005% or less and As: 0.005% or less, and formulas of [0.015≦Nd+13.4×B≦0.13], [Sn+Pb≦0.025] and [Sb+Zn +As≦0.010] are met.
摘要翻译：高强度，延性和韧性的Ni基耐热合金，以质量％计，C：0.1％以下，Si：1％以下，Mn：1％以下，Cr：15％以上，小于 28％，Fe：15％以下，W：5％以上20％以下，Al：0.5％以上2％以下，Ti：0.5％以上且2％以下，Nd ：0.001〜0.1％，B：0.0005〜0.01％，余量为Ni和杂质。 P，S，Sn，Pb，Sb，Zn和As的杂质含量P：0.03％以下，S：0.01％以下，Sn：0.020％以下，Pb：0.010％以下，Sb：0.005％较少，Zn：0.005％以下，As：0.005％以下，[0.015＆nlE; Nd + 13.4×B＆nlE; 0.13]，[Sn + Pb＆nlE; 0.025]和[Sb + Zn + As＆nlE; 0.025] 见面

10. 发明授权

US06712913B2 Ferritic heat-resisting steel 有权
标题翻译：铁素体耐热钢
公开(公告)号：US06712913B2
公开(公告)日：2004-03-30
申请号：US10358330
申请日：2003-02-05
申请人： Hiroyuki Hirata , Kazuhiro Ogawa
发明人： Hiroyuki Hirata , Kazuhiro Ogawa
IPC分类号： C22C3824
CPC分类号： C22C38/004 , C21D6/002 , C21D9/50 , C21D2211/004 , C22C38/001 , C22C38/002 , C22C38/02 , C22C38/04 , C22C38/22 , C22C38/24 , C22C38/26
摘要： A ferritic heat-resisting steel that shows a slight decrease in creep strength at the heat affected zone of the welded joint. The steel is characterized by consisting of, by mass %, C: less than 0.05%, Si: not more than 1.0%, Mn: not more than 2.0%, P: not more than 0.030%, S: not more than 0.015%, Cr: 7-14%, V: 0.05-0.40%, Nb: 0.01-0.10%, N: not less than 0.001% but less than 0.050%, sol. Al: not more than 0.010%, and O (oxygen): not more than 0.010%, with the balance being Fe and impurities, and further characterized in that the density of carbide and carbonitride precipitates contained with a grain diameter of not less than 0.3 &mgr;m is not more than 1×106/mm2. This steel may further contain one or more of the following elements: a total of 0.1-5.0% of Mo and W; a total of 0.02-5.00% of Cu, Ni and Co; a total of 0.01-0.20 of Ta, Hf, Nd and Ti; a total of 0.0005-0.0100% of Ca and Mg; and 0.0005-0.0100% of B.
摘要翻译：一种铁素体耐热钢，其在焊接接头的热影响区域的蠕变强度略有降低。钢的特征在于以质量％计含有C：小于0.05％，Si：1.0％以下，Mn：2.0％以下，P：0.030％以下，S：0.015％以下，，Cr：7-14％，V：0.05-0.40％，Nb：0.01-0.10％，N：不小于0.001％但小于0.050％。 Al：不大于0.010％，O（氧）：不大于0.010％，余量为Fe和杂质，其特征还在于，粒径不小于0.3的碳化物和碳氮化物析出物的密度妈妈不超过1×10 6 / mm 2。该钢可以进一步含有一种或多种以下元素：总共为0.1-5.0％的Mo和W; 共计0.02-5.00％的Cu，Ni和Co; 共计0.01-0.20的Ta，Hf，Nd和Ti; 总计0.0005-0.0100％的Ca和Mg; 和0.0005-0.0100％的B.

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