JP5501434B2 - 耐熱鋼 - Google Patents
耐熱鋼 Download PDFInfo
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- JP5501434B2 JP5501434B2 JP2012255868A JP2012255868A JP5501434B2 JP 5501434 B2 JP5501434 B2 JP 5501434B2 JP 2012255868 A JP2012255868 A JP 2012255868A JP 2012255868 A JP2012255868 A JP 2012255868A JP 5501434 B2 JP5501434 B2 JP 5501434B2
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- steel
- less
- creep rupture
- strength
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- Expired - Fee Related
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/10—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies
- C21D8/105—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies of ferrous alloys
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
- C21D9/085—Cooling or quenching
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium with vanadium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/30—Ferrous alloys, e.g. steel alloys containing chromium with cobalt
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/52—Ferrous alloys, e.g. steel alloys containing chromium with nickel with cobalt
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/04—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler and characterised by material, e.g. use of special steel alloy
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/10—Water tubes; Accessories therefor
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/005—Ferrite
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/008—Martensite
Description
請求項1記載の発明は、質量%で、炭素(C):0.01〜0.08%未満、ケイ素(Si):0.30〜1.0%、リン(P):0.020%以下、硫黄(S):0.010%以下、マンガン(Mn):0.2〜1.2%、ニッケル(Ni):0.3%以下、クロム(Cr):8.0〜11.0%、モリブデン(Mo):0.1〜1.2%、タングステン(W):1.71〜2.02%、バナジウム(V):0.10〜0.30%、ニオブ(Nb):0.02〜0.12%、コバルト(Co):0.01〜4.0%、窒素(N):0.01〜0.08%、ホウ素(B):0.001以上で0.010%未満、銅(Cu):0.3%以下、アルミニウム(Al):0.010%以下、さらに(Mo%+0.5×W%)の量を1.0〜1.6に制限し、さらに(C%+N%)の量を0.02〜0.15%に制限した成分で、調質熱処理により得られる焼戻しマルテンサイト単相組織からなることを特徴とする耐熱鋼である。
Ce<0.1%、Pd<0.2%、Re<0.5%、Hf<0.3%
これらの元素にも強度向上の効果があり、その作用は以下の通りである。
Ti:TiCを形成し、基地を強化する。
Zr:ZrCを形成し、基地を強化する。
La、Ce:鋼中の酸素の割合を低下させてクリープ破断強度を高める。
Pd:クリープ破断強度、耐酸化性(耐水蒸気酸化性)を向上させる。
Re:基地を強化する。
Hf:HfCを形成し、基地を強化する。
表1に示す化学組成を有する本実施例の耐熱鋼と比較鋼を真空誘導溶解炉において溶製し、各々50kgのインゴットに鋳造した。比較鋼Aは公称9Cr1MoNbV鋼、比較鋼B及びCは公称9Cr0.5Mo1.8WNbV鋼で、いずれもボイラ用鋼として実用化されている。熱間鋳造によって厚さ20mmの鋼板とした後、1,050℃×60分の焼きならし及び780℃×60分の焼戻しを施し、クリープ破断試験を実施した。また、鋼鈑から小型の板状試験片を加工し、650℃において水蒸気による酸化試験を実施した。
Claims (1)
- 質量%で、炭素(C):0.01〜0.08%未満、ケイ素(Si):0.30〜1.0%、リン(P):0.020%以下、硫黄(S):0.010%以下、マンガン(Mn):0.2〜1.2%、ニッケル(Ni):0.3%以下、クロム(Cr):8.0〜11.0%、モリブデン(Mo):0.1〜1.2%、タングステン(W):1.71〜2.02%、バナジウム(V):0.10〜0.30%、ニオブ(Nb):0.02〜0.12%、コバルト(Co):0.01〜4.0%、窒素(N):0.01〜0.08%、ホウ素(B):0.001以上で0.010%未満、銅(Cu):0.3%以下、アルミニウム(Al):0.010%以下、さらに(Mo%+0.5×W%)の量を1.0〜1.6に制限し、さらに(C%+N%)の量を0.02〜0.15%に制限した成分で、調質熱処理により得られる焼戻しマルテンサイト単相組織からなることを特徴とする耐熱鋼。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012255868A JP5501434B2 (ja) | 2006-02-06 | 2012-11-22 | 耐熱鋼 |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006029009 | 2006-02-06 | ||
JP2006029009 | 2006-02-06 | ||
JP2012255868A JP5501434B2 (ja) | 2006-02-06 | 2012-11-22 | 耐熱鋼 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007557837A Division JP5283908B2 (ja) | 2006-02-06 | 2007-02-06 | 耐熱鋼 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013064199A JP2013064199A (ja) | 2013-04-11 |
JP5501434B2 true JP5501434B2 (ja) | 2014-05-21 |
Family
ID=38345132
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007557837A Expired - Fee Related JP5283908B2 (ja) | 2006-02-06 | 2007-02-06 | 耐熱鋼 |
JP2012255868A Expired - Fee Related JP5501434B2 (ja) | 2006-02-06 | 2012-11-22 | 耐熱鋼 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007557837A Expired - Fee Related JP5283908B2 (ja) | 2006-02-06 | 2007-02-06 | 耐熱鋼 |
Country Status (4)
Country | Link |
---|---|
US (3) | US20090007991A1 (ja) |
EP (1) | EP1988182A4 (ja) |
JP (2) | JP5283908B2 (ja) |
WO (1) | WO2007091535A1 (ja) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5206676B2 (ja) * | 2007-06-04 | 2013-06-12 | 新日鐵住金株式会社 | フェライト系耐熱鋼 |
JP5320010B2 (ja) * | 2008-10-07 | 2013-10-23 | 三菱重工業株式会社 | 管寄せ管台の溶接構造 |
US20130160905A1 (en) * | 2010-06-10 | 2013-06-27 | Tata Steel Nederland Technology Bv | Method for producing a tempered martensitic heat resistant steel for high temperature application |
CN102011063A (zh) * | 2010-10-19 | 2011-04-13 | 钢铁研究总院 | 一种无铁素体大口径厚壁耐热钢管材料 |
US10386992B2 (en) * | 2012-12-06 | 2019-08-20 | Samsung Electronics Co., Ltd. | Display device for executing a plurality of applications and method for controlling the same |
US9303295B2 (en) * | 2012-12-28 | 2016-04-05 | Terrapower, Llc | Iron-based composition for fuel element |
CN104451453A (zh) * | 2014-11-14 | 2015-03-25 | 无锡信大气象传感网科技有限公司 | 一种风力发电风叶用耐磨合金钢材料 |
RU2585591C1 (ru) * | 2014-11-28 | 2016-05-27 | Федеральное государственное автономное образовательное учреждение высшего профессионального образования "Белгородский государственный национальный исследовательский университет" (НИУ "БелГУ") | Жаропрочная сталь мартенситного класса |
JP6459681B2 (ja) * | 2015-03-20 | 2019-01-30 | 新日鐵住金株式会社 | 高温クリープ特性に優れた高Crフェライト系耐熱鋼 |
JP6540131B2 (ja) * | 2015-03-20 | 2019-07-10 | 日本製鉄株式会社 | フェライト系耐熱鋼 |
DE102016206370A1 (de) * | 2016-04-15 | 2017-10-19 | Siemens Aktiengesellschaft | Martensitischer Stahl mit verzögerter Z-Phase-Bildung und Bauteil |
CA3028947A1 (en) * | 2016-06-29 | 2018-01-04 | Nippon Steel & Sumitomo Metal Corporation | Heat resistant ferritic steel and ferritic heat transfer member |
CN106367689B (zh) * | 2016-09-29 | 2018-04-03 | 马钢(集团)控股有限公司 | 一种高压锅炉管用钢及其制备方法 |
RU2757923C1 (ru) * | 2020-12-25 | 2021-10-25 | Федеральное государственное автономное образовательное учреждение высшего образования "Белгородский государственный национальный исследовательский университет" (НИУ "БелГУ") | Жаропрочная сталь мартенситного класса |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2905577A (en) * | 1956-01-05 | 1959-09-22 | Birmingham Small Arms Co Ltd | Creep resistant chromium steel |
JP2528767B2 (ja) | 1992-05-14 | 1996-08-28 | 新日本製鐵株式会社 | 高温強度ならびに靱性に優れたフェライト系耐熱鋼 |
JPH07286247A (ja) * | 1994-04-18 | 1995-10-31 | Nippon Steel Corp | 高強度フェライト系耐熱鋼 |
KR100238563B1 (ko) * | 1994-07-06 | 2000-01-15 | 아키야마 요시히사 | 페라이트계 철 기저 합금의 제조 방법과 페라이트계 내열강 |
JP4502239B2 (ja) * | 2000-12-15 | 2010-07-14 | バブコック日立株式会社 | フェライト系耐熱鋼 |
JP4262414B2 (ja) * | 2000-12-26 | 2009-05-13 | 株式会社日本製鋼所 | 高Crフェライト系耐熱鋼 |
JP2002235154A (ja) * | 2001-02-07 | 2002-08-23 | Sumitomo Metal Ind Ltd | 高Crフェライト系耐熱鋼材 |
JP3698058B2 (ja) * | 2001-02-13 | 2005-09-21 | 住友金属工業株式会社 | 高Crフェライト系耐熱鋼材 |
JP4023106B2 (ja) * | 2001-05-09 | 2007-12-19 | 住友金属工業株式会社 | 溶接熱影響部軟化の小さいフェライト系耐熱鋼 |
JP4188124B2 (ja) * | 2003-03-31 | 2008-11-26 | 独立行政法人物質・材料研究機構 | 焼き戻しマルテンサイト系耐熱鋼の溶接継手 |
JP4615196B2 (ja) * | 2003-07-03 | 2011-01-19 | バブコック日立株式会社 | 高Crフェライト系耐熱鋼 |
JP2005076062A (ja) * | 2003-08-29 | 2005-03-24 | National Institute For Materials Science | 高温ボルト材 |
US7520942B2 (en) * | 2004-09-22 | 2009-04-21 | Ut-Battelle, Llc | Nano-scale nitride-particle-strengthened high-temperature wrought ferritic and martensitic steels |
-
2007
- 2007-02-06 JP JP2007557837A patent/JP5283908B2/ja not_active Expired - Fee Related
- 2007-02-06 EP EP20070708086 patent/EP1988182A4/en not_active Withdrawn
- 2007-02-06 WO PCT/JP2007/051968 patent/WO2007091535A1/ja active Application Filing
- 2007-02-06 US US12/278,306 patent/US20090007991A1/en not_active Abandoned
-
2010
- 2010-10-08 US US12/901,221 patent/US20110017355A1/en not_active Abandoned
-
2012
- 2012-11-22 JP JP2012255868A patent/JP5501434B2/ja not_active Expired - Fee Related
-
2013
- 2013-06-28 US US13/931,197 patent/US20130294959A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
US20130294959A1 (en) | 2013-11-07 |
US20110017355A1 (en) | 2011-01-27 |
JP2013064199A (ja) | 2013-04-11 |
JP5283908B2 (ja) | 2013-09-04 |
EP1988182A4 (en) | 2013-10-16 |
JPWO2007091535A1 (ja) | 2009-07-02 |
EP1988182A1 (en) | 2008-11-05 |
US20090007991A1 (en) | 2009-01-08 |
WO2007091535A1 (ja) | 2007-08-16 |
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