Ni-based alloy product and producing method thereof
    1.
    发明授权
    Ni-based alloy product and producing method thereof 有权
    镍基合金产品及其制备方法

    公开(公告)号:US08801876B2

    公开(公告)日:2014-08-12

    申请号:US13420918

    申请日:2012-03-15

    IPC分类号: C21D11/00 C22C19/05 C22C30/00

    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。

    Ni-base heat resistant alloy
    2.
    发明授权
    Ni-base heat resistant alloy 有权
    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

    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≦̸ Nd + 13.4×B≦̸ 0.13],[Sn + Pb≦̸ 0.025]和[Sb + Zn + As≦̸ 0.025] 见面

    Ni-BASE HEAT RESISTANT ALLOY
    3.
    发明申请
    Ni-BASE HEAT RESISTANT ALLOY 有权
    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

    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≦̸ Nd + 13.4 ×B≦̸ 0.13],[Sn + Pb≦̸ 0.025]和[Sb + Zn + As≦̸ 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。

    Ni-based heat resistant alloy
    5.
    发明授权
    Ni-based heat resistant alloy 有权
    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

    IPC分类号: C22C19/05 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< Ll; 0.15%,Si&NlE; 2%,Mn&NlE; 3%,P&NlE; 0.03%,S< 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)≦̸ 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。

    Ni-BASED ALLOY PRODUCT AND PRODUCING METHOD THEREOF
    7.
    发明申请
    Ni-BASED ALLOY PRODUCT AND PRODUCING METHOD THEREOF 有权
    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

    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。

    Austenitic stainless steel tube excellent in steam oxidation resistance and a manufacturing method thereof
    8.
    发明授权
    Austenitic stainless steel tube excellent in steam oxidation resistance and a manufacturing method thereof 有权
    耐蒸汽抗氧化性优异的奥氏体不锈钢管及其制造方法

    公开(公告)号:US07014720B2

    公开(公告)日:2006-03-21

    申请号:US10378905

    申请日:2003-03-05

    申请人: Atsuro Iseda

    发明人: Atsuro Iseda

    IPC分类号: C22C38/48 C22C38/50

    摘要: The present invention provides an austenitic stainless steel tube with a uniform fine grained structure of regular grains, which is not changed to a coarse structure and the steam oxidation resistance is maintained even if the tube is subjected to a high temperature reheating during welding and high temperature bending working. The austenitic stainless steel tube consists of, by mass %, C: 0.03–0.12%, Si: 0.1–0.9%, Mn: 0.1–2%, Cr: 15–22%, Ni: 8–15%, Ti: 0.002–0.05%, Nb: 0.3–1.5%, sol. Al: 0.0005–0.03%, N: 0.005–0.2% and O (oxygen): 0.001–0.008%, and the balance Fe and impurities, the austenitic stainless steel tube having austenitic grain size number of 7 or more and a mixed grain ratio of preferably 10% or less.

    摘要翻译: 本发明提供一种具有规则晶粒均匀细粒度结构的奥氏体不锈钢管,其不会变成粗糙结构,并且即使管在焊接和高温下经受高温再加热也保持了蒸汽抗氧化性 弯曲工作。 奥氏体不锈钢管以质量%计含有C:0.03〜0.12%,Si:0.1-0.9%,Mn:0.1〜2%,Cr:15〜22%,Ni:8〜15%,Ti:0.002 -0.05%,Nb:0.3-1.5%,溶胶。 Al:0.0005-0.03%,N:0.005-0.2%,O(氧):0.001-0.008%,余量为Fe和杂质,奥氏体晶粒数为7以上的奥氏体不锈钢管和混合晶粒比 优选为10%以下。

    Process for producing a high strength high-Cr ferritic heat-resistant
steel
    9.
    发明授权
    Process for producing a high strength high-Cr ferritic heat-resistant steel 失效
    生产高强度高Cr铁素体耐热钢的方法

    公开(公告)号:US4799972A

    公开(公告)日:1989-01-24

    申请号:US917502

    申请日:1986-10-10

    CPC分类号: C22C38/26 C22C38/22 C22C38/24

    摘要: A high-strength high-Cr ferritic, heat-resistant steel exhibiting improved high-temperature, long-term creep strength and a process for producing the same are disclosed. The steel consists essentially of, by weight %:C: not more than 0.2%,Si: not more than 1.0%,Mn: 0.1-1.5%,P: not more than 0.03%,S: not more than 0.03%,Ni: not more than 1.0%,Cr: 5.0-15%,Mo: 0.02-3.0%,W: not more than 4.0%,sol. Al: 0.005-0.04%,N: not more than 0.07%,at least one of V: 0.01-0.4% and Nb: 0.01-0.3%,B: 0-0.02%,at least one of Ca, Ti, Zr, Y, La, and Ce: 0-0.2%, andthe balance Fe and incidental impurities, the A.sub.cl point defined by Formula (1) below being 820.degree. or higher.A.sub.cl (.degree.C.)=765-500 C-450N+30Si-25 Mn+25 Mo+15W+11Cr+50V+30Nb-30Ni+30 sol. Al (weight %).

    摘要翻译: 公开了一种表现出改善的高温,长期蠕变强度的高强度高Cr铁素体耐热钢及其制造方法。 钢基本上由重量%组成:C:不大于0.2%,Si:不大于1.0%,Mn:0.1-1.5%,P:不大于0.03%,S:0.03%以下,Ni :1.0%以下,Cr:5.0〜15%,Mo:0.02〜3.0%,W:4.0%以下。 Al:0.005〜0.04%,N:0.07%以下,V:0.01-0.4%,Nb:0.01-0.3%,B:0〜0.02%中的至少一种,Ca,Ti,Zr, Y,La和Ce:0〜0.2%,余量为Fe和附带杂质,由式(1)定义的Acl点为820°以上。 Acl(℃)= 765-500℃-450N + 30Si-25Mn + 25Mo + 15W + 11Cr + 50V + 30Nb-30Ni + 30溶胶。 Al(重量%)。

    Austenitic heat resistant alloy
    10.
    发明授权
    Austenitic heat resistant alloy 有权
    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

    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≦̸ 4×Al + 2×Ti + Nb≦̸ 12和P + 0.2×Cr×B≦̸ 0.035,式中的元素表示质量百分含量。