公开(公告)号：EP3178958A4

公开(公告)日：2018-03-21

申请号：EP16803537

申请日：2016-06-03

申请人： NIPPON STEEL & SUMITOMO METAL CORP

发明人： ISEDA ATSURO ,  OKADA HIROKAZU ,  SEMBA HIROYUKI ,  HIRATA HIROYUKI ,  HAMAGUCHI TOMOAKI ,  JOTOKU KANA ,  ONO TOSHIHIDE ,  TANAKA KATSUKI

IPC分类号： C22C38/00 ,  C21D6/00 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/42 ,  C22C38/44 ,  C22C38/46 ,  C22C38/48 ,  C22C38/50 ,  C22C38/54 ,  C22C38/58 ,  C22C38/60

CPC分类号： C22C38/60 ,  C21D6/004 ,  C22C38/00 ,  C22C38/001 ,  C22C38/002 ,  C22C38/005 ,  C22C38/008 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/42 ,  C22C38/44 ,  C22C38/46 ,  C22C38/48 ,  C22C38/50 ,  C22C38/54 ,  C22C38/58

摘要： An austenitic stainless steel with a chemical composition including in terms of mass%: 0.05 to 0.13% of C, 0.10 to 1.00% of Si, 0.10 to 3.00% ofMn, 0.040% or less of P, 0.020% or less of S, 17.00 to 19.00% of Cr, 12.00 to 15.00% of Ni, 2.00 to 4.00% of Cu, 0.01 to 2.00% of Mo, 2.00 to 5.00% of W, 2.50 to 5.00% of 2Mo+W, 0.01 to 0.40% of V, 0.05 to 0.50% of Ti, 0.15 to 0.70% ofNb, 0.001 to 0.040% of Al, 0.0010 to 0.0100% of B, 0.0010 to 0.0100% of N, 0.001 to 0.20% of Nd, 0.002% or less of Zr, 0.001% or less of Bi, 0.010% or less of Sn, 0.010% or less of Sb, 0.001% or less of Pb, 0.001% or less of As, 0.020% or less of Zr+Bi+Sn+Sb+Pb+As, 0.0090% or less of O, and a remainder including Fe and impurities.

公开(公告)号：EP2194152A4

公开(公告)日：2017-08-30

申请号：EP08835001

申请日：2008-10-01

申请人： NIPPON STEEL & SUMITOMO METAL CORP

发明人： OTOME YOHEI ,  IGARASHI MASAAKI ,  AMAYA HISASHI ,  OKADA HIROKAZU

IPC分类号： C22C38/00 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/42 ,  C22C38/44 ,  C22C38/58

CPC分类号： C22C38/02 ,  C22C38/001 ,  C22C38/005 ,  C22C38/04 ,  C22C38/06 ,  C22C38/42 ,  C22C38/44 ,  Y10S148/909

摘要： [Object] To provide a high strength Cr-Ni alloy material excellent in hot workability and stress corrosion cracking resistance, and seamless pipe for oil well. [Solution] A high strength Cr-Ni alloy material which consists of, by mass percent, C: 0.05% or less, Si: 0.05 to 1.0%, Mn: 0.01% or more and less than 3.0%, P: 0.05% or less, S: 0.005% or less, Cu: 0.01 to 4%, Ni: 25% or more and less than 35%, Cr: 20 to 30%, Mo: 0.01% or more and less than 4.0%, N: 0.10 to 0.30%, Al: 0.03 to 0.30%, O (oxygen): 0.01% or less, and REM (rare earth metal): 0.01 to 0.20%, with the balance being Fe and impurities, and also satisfies the conditions in the following formula (1). N × P / REM ‰¤ 0.40 where P, N, and REM in the formula (1) respectively denote the contents (mass%) of P, N, and REM. The high strength Cr-Ni alloy material may further contain one or more types of W, Ti, Nb, Zr, V, Ca, and Mg, instead of part of Fe.

摘要翻译： 本发明提供一种热加工性和耐应力腐蚀开裂性优异的高强度Cr-Ni合金材料和油井用无缝管。 以质量％计含有C：0.05％以下，Si：0.05〜1.0％，Mn：0.01％以上且小于3.0％，P：0.05％或 S：0.005％以下，Cu：0.01〜4％，Ni：25％以上且低于35％，Cr：20〜30％，Mo：0.01％以上且低于4.0％，N：0.10 至0.30％，Al：0.03至0.30％，O（氧）：0.01％或更少，REM（稀土金属）：0.01至0.20％，余量为Fe和杂质，并且还满足以下条件 公式1）。 式（1）中的P，N和REM分别表示P，N和REM的含量（质量％），N×P /REM≤0.40。 高强度Cr-Ni合金材料可以进一步含有W，Ti，Nb，Zr，V，Ca和Mg中的一种或多种来代替Fe的一部分。

公开(公告)号：EP2243591A4

公开(公告)日：2016-11-16

申请号：EP09703985

申请日：2009-01-23

申请人： NIPPON STEEL & SUMITOMO METAL CORP

发明人： OSUKI TAKAHIRO ,  OGAWA KAZUHIRO ,  OKADA HIROKAZU

IPC分类号： B23K35/30 ,  B23K9/23 ,  C22C19/05 ,  C22C38/58

CPC分类号： C22C19/05 ,  B23K35/004 ,  B23K35/0261 ,  B23K35/30 ,  B23K35/304 ,  B23K35/3066 ,  B23K35/3086 ,  B23K35/40 ,  C21D8/065 ,  C21D9/525 ,  C21D2211/001 ,  C22C19/058 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/40 ,  C22C38/42 ,  C22C38/48 ,  C22C38/50 ,  Y10T428/12111 ,  Y10T428/12222 ,  Y10T428/12493 ,  Y10T428/12847 ,  Y10T428/12937 ,  Y10T428/12944 ,  Y10T428/12951 ,  Y10T428/12958 ,  Y10T428/12965 ,  Y10T428/12979

摘要： A welding material, to be used for welding a base metal made of an austenitic alloy comprising C ‰¤ 2.0%, Si ‰¤ 4.0%, Mn: 0.01 to 3.0%, P: more than 0.03% to not more 0.3%, S ‰¤ 0.03%, Cr: 12 to 35%, Ni: 6 to 80%, sol. Al: 0.001 to 1% and N ‰¤ 0.3%, with the balance being Fe and impurities to a base metal made of another austenitic alloy, which comprises C: more than 0.3% to 3.0%, Si ‰¤ 4.0%, Mn ‰¤ 3.0%, P ‰¤ 0.03%, S ‰¤ 0.03%, Cr: more than 22% to 55%, Ni: more than 30% to not more than 70%, sol. Al: 0.001 to 1% and N ‰¤ 0.3%, with the balance being Fe and impurities can suppress the weld solidification cracking which occurs in an austenitic alloy having a high P content and showing fully austenitic solidification. Therefore, the said welding material can be widely used in such fields where a welding fabrication is required. The said welding material may contain a specific amount or amounts of one or more elements selected from Cu, Mo, W, V, Nb, Ti, Ta, Zr, Hf, Co, B, Ca, Mg and REM.

公开(公告)号：EP2199419A4

公开(公告)日：2016-07-06

申请号：EP08836524

申请日：2008-10-02

申请人： NIPPON STEEL & SUMITOMO METAL CORP

发明人： HIRATA HIROYUKI ,  OGAWA KAZUHIRO ,  OSUKI TAKAHIRO ,  OKADA HIROKAZU ,  SEMBA HIROYUKI

IPC分类号： C22C38/60 ,  C22C38/00 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/46 ,  C22C38/48 ,  C22C38/50 ,  C22C38/52 ,  C22C38/54

CPC分类号： C22C38/001 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/46 ,  C22C38/48 ,  C22C38/50 ,  C22C38/52 ,  C22C38/54

摘要： An austenitic stainless steel, which comprises by mass%, C: 0.04 to 0.18%, Si ‰¤ 1.5%, Mn ‰¤ 2.0%, Ni: 6 to 30%, Cr: 15 to 30%, N: 0.03 to 0.35%, sol. Al ‰¤ 0.03% and further contains one or more elements selected from Nb ‰¤ 1.0%, V ‰¤ 0.5% and Ti ‰¤ 0.5%, with the balance being Fe and impurities, and among the impurities P ‰¤ 0.04%, S ‰¤ 0.03%, Sn ‰¤ 0.1%, As ‰¤ 0.01%, Zn

摘要翻译： 奥氏体不锈钢以质量％计含有C：0.04〜0.18％，Si‰‰1.5％，Mn‰2.0％，Ni：6〜30％，Cr：15〜30％，N：0.03〜0.35％ ，溶胶 进一步含有一种或多种选自Nb‰¤1.0％，V‰‰0.5％和Ti‰‰0.5％的元素，余量为Fe和杂质，杂质P‰‰0.04％ S≤0.03％，Sn‰‰0.1％，‰‰0.01％，Zn <0.01％，Pb‰‰0.01％，Sb‰‰0.01％，满足条件P1 = S + {（P + Sn）/ 2} + {（As + Zn + Pb + Sb）/ 5）‰‰0.06和0.2‰P2 = Nb + 2（V + Ti）‰1.7 - 10×P1具有高强度和优异的抗开裂性 在高温使用期间焊接部分的晶界脆化。 因此，所述钢可以适合用作长时间在高温下使用的电厂锅炉等机器设备的构造材料。

公开(公告)号：EP2725112A4

公开(公告)日：2016-03-09

申请号：EP12802133

申请日：2012-05-29

申请人： NIPPON STEEL & SUMITOMO METAL CORP

发明人： NISHIYAMA YOSHITAKA ,  OKADA HIROKAZU ,  OSUKI TAKAHIRO ,  DAN ETSUO

IPC分类号： C21D6/00 ,  C22C30/02 ,  C22C38/00 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/34 ,  C22C38/42 ,  C22C38/44 ,  C22C38/46 ,  C22C38/48 ,  C22C38/50 ,  C22C38/52 ,  C22C38/54 ,  C22C38/58 ,  F28F21/08

CPC分类号： C22C38/58 ,  C21D6/004 ,  C22C30/02 ,  C22C38/001 ,  C22C38/002 ,  C22C38/005 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/34 ,  C22C38/42 ,  C22C38/44 ,  C22C38/46 ,  C22C38/48 ,  C22C38/50 ,  C22C38/52 ,  C22C38/54 ,  F28F21/083

摘要： There is provided a carburization resistant metal material suitable as a raw material for cracking furnaces, reforming furnaces, heating furnaces, heat exchangers, etc. in petroleum and gas refining, chemical plants, and the like. This metal material consists of, by mass%, C: 0.03 to 0.075%, Si: 0.6 to 2.0%, Mn: 0.05 to 2.5%, P: 0.04% or less, S: 0.015% or less, Cr: higher than 16.0% and less than 20.0%, Ni: 20.0% or higher and less than 30.0%, Cu: 0.5 to 10.0%, Al: 0.15% or less, Ti: 0.15% or less, N: 0.005 to 0.20%, and O (oxygen): 0.02% or less, the balance being Fe and impurities. The metal material may further contain one kind or more kinds of Co, Mo, W, Ta, B, V, Zr, Nb, Hf, Mg, Ca, Y, La, Ce and Nd.

摘要翻译： 提供了适用于石油和天然气精炼，化工厂等中的裂化炉，重整炉，加热炉，热交换器等的原料的耐渗碳金属材料。 该金属材料以质量％计含有C：0.03〜0.075％，Si：0.6〜2.0％，Mn：0.05〜2.5％，P：0.04％以下，S：0.015％以下，Cr：高于16.0 ％，小于20.0％，Ni：20.0％以上且小于30.0％，Cu：0.5〜10.0％，Al：0.15％以下，Ti：0.15％以下，N：0.005〜0.20％，O（ 氧）：0.02％以下，余量为Fe和杂质。 金属材料还可以含有Co，Mo，W，Ta，B，V，Zr，Nb，Hf，Mg，Ca，Y，La，Ce和Nd中的一种或多种。

公开(公告)号：EP2692886A4

公开(公告)日：2015-11-18

申请号：EP12764728

申请日：2012-03-19

申请人： NIPPON STEEL & SUMITOMO METAL CORP

发明人： OMURA TOMOHIKO ,  NAKAMURA JUN ,  OKADA HIROKAZU ,  SEMBA HIROYUKI ,  TOMIO YUSAKU ,  HIRATA HIROYUKI ,  IGARASHI MASAAKI ,  OGAWA KAZUHIRO ,  TERUNUMA MASAAKI

IPC分类号： C22C38/00 ,  C21D8/02 ,  C22C38/60

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/µm 2 or larger in cross section observation.

公开(公告)号：EP2119802A4

公开(公告)日：2015-03-25

申请号：EP07850391

申请日：2007-12-11

申请人： NIPPON STEEL & SUMITOMO METAL CORP

发明人： OSUKI TAKAHIRO ,  OGAWA KAZUHIRO ,  OKADA HIROKAZU ,  IGARASHI MASAAKI

IPC分类号： C22C38/00 ,  B23K35/30 ,  C22C38/04 ,  C22C38/06 ,  C22C38/40 ,  C22C38/58

CPC分类号： B23K35/3053 ,  C22C38/005 ,  C22C38/04 ,  C22C38/06 ,  C22C38/40 ,  Y10T428/12944 ,  Y10T428/12965 ,  Y10T428/12979

摘要： An austenitic stainless steel welded joint, whose base metal and weld metal each comprises, by mass percent, C: not more than 0.3%, Si: not more than 2%, Mn: 0.01 to 3.0%, P: more than 0.04% to not more than 0.3%, S: not more than 0.03%, Cr: 12 to 30%, Ni: 6 to 55%, rare earth metal(s): more than 0.2% to not more than 0.6%, sol. Al: 0.001 to 3% and N: not more than 0.3%, with the balance being Fe and impurities, and satisfies the formula of (Cr + 1.5 × Si + 2 × P) / (Ni + 0.31 × Mn + 22 × C + 14.2 × N + 5 × P)

摘要翻译： 一种奥氏体系不锈钢焊接接头，其基极金属和焊接金属的每一个包括，以质量％计，C：不超过0.3％以下，Si：不大于2％以下，Mn：0.01〜3.0％，P：大于0.04％至至 不超过0.3％，S：不大于0.03％以下，Cr：12〜30％以下，Ni：6〜55％，稀土类金属（S）：超过0.2％至不超过0.6％以下，sol.Al： 0.001〜3％以及N：不超过0.3％，剩余部分由Fe和杂质，和SATIS外资企业（CR + 1.5×的Si + 2×P）/（镍+ 0.31×锰+ 22×​​C + 14.2式 ×N + 5×P）<1388，尽管具有高的P含量和表示完全奥氏体凝固的，具有对焊接凝固裂纹性优异。 因此，上述奥氏体系不锈钢焊接接头可以在需要焊接制造中广泛应用于搜索领域中使用。 上述式中的元素符号darstellt由元件关注的质量％的含量。