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1. 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。

2. 发明申请

US20110223055A1 Ni-BASE HEAT RESISTANT ALLOY 有权
标题翻译：镍基耐热合金
公开(公告)号：US20110223055A1
公开(公告)日：2011-09-15
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 Ni-base heat resistant alloy, which 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, in which the contents of P, S, Sn, Pb, Sb, Zn and As among the impurities 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 further satisfies the formulas of [0.015≦Nd+13.4×B≦0.13], [Sn+Pb≦0.025] and [Sb+Zn+As≦0.010] is an alloy in which much higher strength than the conventional Ni-base heat resistant alloy can be achieved, the ductility and toughness after a long period of use at a high temperature are remarkably improved, and moreover the zero ductility temperature and the hot workability are also further improved. This alloy can be suitably used as a pipe material, a thick plate material for a heat resistant pressure member, a bar material, a forging, and the like for a boiler for power generation, a plant for chemical industry, and the like. This alloy may contain a specific amount of one or more elements selected from Mo, Co, Nb, V, Zr, Hf, Mg, Ca, La, Ce, Ta and Re.
摘要翻译： Ni基耐热合金，以质量％计含有C：0.1％以下，Si：1％以下，Mn：1％以下，Cr：15％以上且小于28％，Fe： 15％以下，W：5％以上20％以下，Al：0.5％以上2％以下，Ti：超过0.5％以上2％以下，Nd：0.001〜0.1％ B：0.0005〜0.01％，余量为杂质，其中P，S，Sn，Pb，Sb，Zn和As的含量为P：0.03％以下，S：0.01％以下较少，Sn：0.020％以下，Pb：0.010％以下，Sb：0.005％以下，Zn：0.005％以下，As：0.005％以下，进一步满足[0.015＆nlE; Nd + 13.4 ×B＆nlE; 0.13]，[Sn + Pb＆nlE; 0.025]和[Sb + Zn + As＆nlE; 0.010]是一种合金，其中可以获得比常规的Ni基耐热合金高得多的强度，在高温下长时间使用显着提高，而且零延展性温度和热加工性也进一步提高改进。该合金可以适合用作管材，用于发电锅炉的耐热压力构件的厚板材料，棒材，锻造等，用于化学工业的植物等。该合金可以含有一定量的选自Mo，Co，Nb，V，Zr，Hf，Mg，Ca，La，Ce，Ta和Re中的一种或多种元素。

3. 发明申请

US20120168038A1 Ni-BASED ALLOY PRODUCT AND PRODUCING METHOD THEREOF 有权
标题翻译：镍基合金产品及其生产方法
公开(公告)号：US20120168038A1
公开(公告)日：2012-07-05
申请号：US13420918
申请日：2012-03-15
申请人： Atsuro ISEDA , Hiroyuki HIRATA , Hirokazu OKADA , Hiroyuki SEMBA
发明人： Atsuro ISEDA , Hiroyuki HIRATA , Hirokazu OKADA , Hiroyuki SEMBA
IPC分类号： C22F1/10 , C22C19/05 , C22C30/00 , C22F1/00
CPC分类号： C22F1/10 , C22C19/05 , C22F1/00
摘要： [Problem to be Solved]A Ni-based alloy product consisting of, by mass percent, C: 0.03 to 0.10%, Si: 0.05 to 1.0%, Mn: 0.1 to 1.5%, Sol.Al: 0.0005 to 0.04%, Fe: 20 to 30%, Cr: not less than 21.0% and less than 25.0%, W: exceeding 6.0% and not more than 9.0%, Ti: 0.05 to 0.2%, Nb: 0.05 to 0.35%, and B: 0.0005 to 0.006%, the balance being Ni and impurities, the impurities being P: 0.03% or less, S: 0.01% or less, N: less than 0.010%, Mo: less than 0.5%, and Co: 0.8% or less, wherein a value of effective B (Beff) defined by the formula, Beff (%)=B−(11/14)×N+(11/48)×Ti, is 0.0050 to 0.0300%, and the rupture elongation in a tensile test at 700° C. and at a strain rate of 10−6/sec is 20% or more. This alloy may contain one or more kinds of Cu, Ta, Zr, Mg, Ca, REM, and Pd.
摘要翻译： [待解决的问题]以质量％计，C：0.03〜0.10％，Si：0.05〜1.0％，Mn：0.1〜1.5％，Sol.Al：0.0005〜0.04％，Fe ：20〜30％，Cr：21.0％以上25.0％以下，W：6.0以上9.0％以下，Ti：0.05〜0.2％，Nb：0.05〜0.35％，B：0.0005〜 0.006％，余量为Ni和杂质，杂质为P：0.03％以下，S：0.01％以下，N：小于0.010％，Mo：小于0.5％，Co：0.8％以下，其中，由公式Beff（％）= B-（11/14）×N +（11/48）×Ti定义的有效B（Beff）的值为0.0050〜0.0300％，拉伸试验中的断裂伸长率为 700℃，应变速率为10-6 /秒为20％以上。该合金可以含有Cu，Ta，Zr，Mg，Ca，REM和Pd中的一种或多种。

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