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公开(公告)号：EP3133179B1
公开(公告)日：2019-06-05
申请号：EP15779606.1
申请日：2015-04-17
IPC分类号： C22C38/58 , C22C38/44 , C22C38/46 , C22C38/48 , C22C38/02 , C22C38/00 , C21D8/02 , C21D8/00 , C21D6/00 , C21D9/00 , C21D7/13
CPC分类号： C21D9/0068 , B21D22/022 , C21D6/004 , C21D6/005 , C21D7/13 , C21D8/005 , C21D8/0226 , C21D2211/001 , C22C33/04 , C22C38/00 , C22C38/001 , C22C38/002 , C22C38/02 , C22C38/44 , C22C38/46 , C22C38/48 , C22C38/58
摘要： There is provided an austenitic stainless steel having a high strength and an excellent hydrogen brittleness resistance and further having an excellent machinability. The austenitic stainless steel of the present embodiment has a chemical composition including: in mass%, C: 0.10% or less; Si: 1.0% or less; Mn: 2.1 to 6.0%; P: 0.045% or less; S: 0.1% or less; Ni: 8.0 to 16.0%; Cr: 15.0 to 30.0%; Mo: 1.0 to 5.0%; N: 0.05 to 0.45%; Nb: 0 to 0.50%; and V: 0 to 0.50%, with the balance being Fe and impurities, and satisfying Formula (1). The austenitic stainless steel of the present embodiment has a grain size number of less than 8.0 and a tensile strength of 690 MPa or more. 15 ‰¤ 12.6 C + 1.05 Mn + Ni + 15 N
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2.发明授权
公开(公告)号：EP2725112B1
公开(公告)日：2018-08-08
申请号：EP12802133.4
申请日：2012-05-29
IPC分类号： C21D6/00 , 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 , C22C30/02
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.
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公开(公告)号：EP3508602A1
公开(公告)日：2019-07-10
申请号：EP17846569.6
申请日：2017-08-30
摘要： An objective of the present invention is to provide an austenitic stainless steel that is excellent in polythionic acid SCC resistance and also excellent in creep ductility. An austenitic stainless steel according to the present invention includes a chemical composition consisting of, in mass%, C: 0.030% or less, Si: 0.10 to 1.00%, Mn: 0.20 to 2.00%, P: 0.040% or less, S: 0.010% or less, Cr: 16.0 to 25.0%, Ni: 10.0 to 30.0%, Mo: 0.1 to 5.0%, Nb: 0.20 to 1.00%, N: 0.050 to 0.300%, sol.Al: 0.0005 to 0.100%, and B: 0.0010 to 0.0080%, with the balance being Fe and impurities, and satisfying Formula (1): B + 0.004 − 0.9 C + 0.017 Mo 2 ≥ 0 where symbols of elements in Formula (1) are to be substituted by contents of corresponding elements (mass%).
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公开(公告)号：EP3133179A1
公开(公告)日：2017-02-22
申请号：EP15779606.1
申请日：2015-04-17
CPC分类号： C21D9/0068 , B21D22/022 , C21D6/004 , C21D6/005 , C21D7/13 , C21D8/005 , C21D8/0226 , C21D2211/001 , C22C33/04 , C22C38/00 , C22C38/001 , C22C38/002 , C22C38/02 , C22C38/44 , C22C38/46 , C22C38/48 , C22C38/58
摘要： There is provided an austenitic stainless steel having a high strength and an excellent hydrogen brittleness resistance and further having an excellent machinability. The austenitic stainless steel of the present embodiment has a chemical composition including: in mass%, C: 0.10% or less; Si: 1.0% or less; Mn: 2.1 to 6.0%; P: 0.045% or less; S: 0.1% or less; Ni: 8.0 to 16.0%; Cr: 15.0 to 30.0%; Mo: 1.0 to 5.0%; N: 0.05 to 0.45%; Nb: 0 to 0.50%; and V: 0 to 0.50%, with the balance being Fe and impurities, and satisfying Formula (1). The austenitic stainless steel of the present embodiment has a grain size number of less than 8.0 and a tensile strength of 690 MPa or more. 15 ≤ 12.6 C + 1.05 Mn + Ni + 15 N
摘要翻译： 提供了具有高强度和优异的耐氢脆性并且还具有优异的机械加工性的奥氏体不锈钢。 本实施方式的奥氏体系不锈钢具有以质量％计含有C：0.10％以下的化学成分。 Si：1.0％以下; Mn：2.1〜6.0％ P：0.045％以下; S：0.1％以下; Ni：8.0〜16.0％ Cr：15.0〜30.0％ Mo：1.0〜5.0％ N：0.05〜0.45％ Nb：0〜0.50％ V：0〜0.50％，余量为Fe和杂质，满足式（1）。 本实施方式的奥氏体系不锈钢的粒径数小于8.0，抗张强度为690MPa以上。 15‰¤12.6 C + 1.05 Mn + Ni + 15 N
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公开(公告)号：EP2725112A1
公开(公告)日：2014-04-30
申请号：EP12802133.4
申请日：2012-05-29
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： 提供适合作为石油和天然气精炼，化工厂等中的裂解炉，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 ％以上且小于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％或更少，其余为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。
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