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公开(公告)号:US20110017355A1
公开(公告)日:2011-01-27
申请号:US12901221
申请日:2010-10-08
申请人: Takashi SATO , Kohji TAMURA , Toshio FUJITA
发明人: Takashi SATO , Kohji TAMURA , Toshio FUJITA
CPC分类号: C22C38/54 , C21D8/105 , C21D9/08 , C21D9/085 , C21D2211/005 , C21D2211/008 , C22C38/001 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/22 , C22C38/24 , C22C38/26 , C22C38/30 , C22C38/42 , C22C38/44 , C22C38/46 , C22C38/48 , C22C38/52 , F22B37/04 , F22B37/10
摘要: Disclosed is a ferritic heat-resistant steel which has the following chemical composition (by weight): C: from 0.01% to less than 0.08%; Si: 0.30-1.0%; P: 0.02 or less; S: 0.010% or less; Mn: 0.2-1.2%; Ni: 0.3% or less; Cr: 8.0-11.0%; Mo: 0.1-1.2%; W: 1.0-2.5%; V: 0.10-0.30%; Nb: 0.02-0.12%; Co: 0.01-4.0%; N: 0.01-0.08%; B: not less than 0.001% and less than 0.010%; Cu: 0.3% or less; and Al: 0.010% or less, provided that the chemical composition satisfies the following equations: Mo (%)+0.5×W (%)=1.0-1.6, and C (%)+N (%)=0.02-0.15%, and which comprises a tempered martensite single-phase tissue produced by thermal refining and contains 30% by weight or less of δ ferrite.
摘要翻译: 公开了具有以下化学组成(重量)的铁素体耐热钢:C:0.01%至小于0.08%; Si:0.30〜1.0% P:0.02以下 S:0.010%以下 Mn:0.2-1.2%; Ni:0.3%以下; Cr:8.0-11.0%; Mo:0.1-1.2%; W:1.0-2.5%; V:0.10-0.30%; Nb:0.02-0.12% Co:0.01-4.0%; N:0.01-0.08%; B:不小于0.001%且小于0.010%; Cu:0.3%以下; 和Al:0.010%以下,条件是化学组成满足下式:Mo(%)+ 0.5×W(%)= 1.0-1.6,C(%)+ N(%)= 0.02-0.15% 并且包括通过热精炼产生的回火马氏体单相组织,并且含有30重量%以下的δ铁素体。
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公开(公告)号:US20130294959A1
公开(公告)日:2013-11-07
申请号:US13931197
申请日:2013-06-28
发明人: Toshio FUJITA , Takashi SATO , Kohji TAMURA
IPC分类号: C22C38/54 , C22C38/48 , C22C38/46 , C22C38/00 , C22C38/42 , C22C38/06 , C22C38/04 , C22C38/02 , C22C38/52 , C22C38/44
CPC分类号: C22C38/54 , C21D8/105 , C21D9/08 , C21D9/085 , C21D2211/005 , C21D2211/008 , C22C38/001 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/22 , C22C38/24 , C22C38/26 , C22C38/30 , C22C38/42 , C22C38/44 , C22C38/46 , C22C38/48 , C22C38/52 , F22B37/04 , F22B37/10
摘要: Disclosed is a ferritic heat-resistant steel which has the following chemical composition (by weight): C: from 0.01% to less than 0.08%; Si: 0.30-1.0%; P: 0.02 or less; S: 0.010% or less; Mn: 0.2-1.2%; Ni: 0.3% or less; Cr: 8.0-11.0%; Mo: 0.1-1.2%; W: 1.0-2.5%; V: 0.10-0.30%; Nb: 0.02-0.12%; Co: 0.01-4.0%; N: 0.01-0.08%; B: not less than 0.001% and less than 0.010%; Cu: 0.3% or less; and Al: 0.010% or less, provided that the chemical composition satisfies the following equations: Mo(%)+0.5×W(%)=1.0-1.6, and C(%)+N(%)=0.02-0.15%, and which comprises a tempered martensite single-phase tissue produced by thermal refining and contains 30% by weight or less of 5 ferrite.
摘要翻译: 公开了具有以下化学组成(重量)的铁素体耐热钢:C:0.01%至小于0.08%; Si:0.30〜1.0% P:0.02以下 S:0.010%以下; Mn:0.2-1.2%; Ni:0.3%以下; Cr:8.0-11.0%; Mo:0.1-1.2%; W:1.0-2.5%; V:0.10-0.30%; Nb:0.02-0.12% Co:0.01-4.0%; N:0.01-0.08%; B:不小于0.001%且小于0.010%; Cu:0.3%以下; 和Al:0.010%以下,条件是化学组成满足下式:Mo(%)+ 0.5×W(%)= 1.0-1.6,C(%)+ N(%)= 0.02-0.15% 并且其包括通过热精炼产生的回火马氏体单相组织,并且含有30重量%或更少的铁素体。
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