KR960001138A - 내열강 - Google Patents

내열강 Download PDF

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Publication number
KR960001138A
KR960001138A KR1019950015478A KR19950015478A KR960001138A KR 960001138 A KR960001138 A KR 960001138A KR 1019950015478 A KR1019950015478 A KR 1019950015478A KR 19950015478 A KR19950015478 A KR 19950015478A KR 960001138 A KR960001138 A KR 960001138A
Authority
KR
South Korea
Prior art keywords
less
resistant steel
heat
turbine
unavoidable impurities
Prior art date
Application number
KR1019950015478A
Other languages
English (en)
Other versions
KR100357306B1 (ko
Inventor
마사유끼 야마다
요이찌 쯔다
류이찌 이시이
에이지 마에다
쯔까사 아즈마
Original Assignee
야기 나미히꼬
가부시기가이샤 니혼세이꼬쇼
사또 후미오
가부시기가이샤 도시바
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 야기 나미히꼬, 가부시기가이샤 니혼세이꼬쇼, 사또 후미오, 가부시기가이샤 도시바 filed Critical 야기 나미히꼬
Publication of KR960001138A publication Critical patent/KR960001138A/ko
Application granted granted Critical
Publication of KR100357306B1 publication Critical patent/KR100357306B1/ko

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Classifications

    • 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
    • C22C38/30—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
    • C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)

Abstract

중량비로, 0.05 내지 0.2%의 C, 1.0%이하의 Ni, 9 내지 13%의 Cr, 0.05 내지 1%의 Mo, 0.05 내지 0.3%의 V, 1 내지 3%의 W, 1 내지 5%의 Co, 0.01 내지 0.1%의 N, 0.01 내지 0.15%의 Nb로부터 선택된 적어도 일부분, 0.01 내지 0.15%의 Ta, 0.003 내지 0.03%의 희토류원소, 0.003 내지 0.03%의 Ca 및 0.003 내지 0.03%의 B, 및 나머지인 Fe와 불가피한 불순물들을 구비하는 내열강은 고온 특성을 향상시켰으며 터빈 로터, 터빈 블레이드, 터빈 디스크 및 볼트와 같은 그러한 터빈의 부품에 사용하기에 적합하다.

Description

내열강
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (3)

  1. 내열강에 있어서, 중량비로, 0.05 내지 0.2%의 C, 1.0%이하의 Ni, 9 내지 13%의 Cr, 0.05 내지 1%의 Mo, 0.05 내지 0.3%의 V, 1 내지 3%의 W, 1 내지 5%의 Co, 0.01 내지 0.1%의 N, 0.01 내지 0.15%의 Nb로부터 선택된 적어도 일부분, 0.01 내지 0.15%의 Ta, 0.003 내지 0.03%의 희토류원소, 0.003 내지 0.03%의 Ca 및 0.003 내지 0.03%의 B, 및 나머지인 Fe와 불가피한 불순물들을 구비하는 것을 특징으로하는 내열강.
  2. 제1항에 있어서, 상기 불가피한 불순물들에서 허용가능한 Si의 함유량은 0.1%이하이며, Mn은 0.15%이하이며, P는 0.01%이하인 것을 특징으로하는 내열강.
  3. 제1항 또는 제2항에 있어서, 상기 불가피한 불순물들에서 허용가능한 S의 함유량은 0.005%이하이며, As는 0.005%이하이며, Sn은 0.005%이하이며, Sb는 0.003%이하인 것을 특징으로하는 내열강.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019950015478A 1994-06-13 1995-06-13 내열강 KR100357306B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP94-153077 1994-06-13
JP6153077A JPH083697A (ja) 1994-06-13 1994-06-13 耐熱鋼

Publications (2)

Publication Number Publication Date
KR960001138A true KR960001138A (ko) 1996-01-25
KR100357306B1 KR100357306B1 (ko) 2003-01-14

Family

ID=15554481

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950015478A KR100357306B1 (ko) 1994-06-13 1995-06-13 내열강

Country Status (5)

Country Link
US (1) US5560788A (ko)
EP (1) EP0691416B1 (ko)
JP (1) JPH083697A (ko)
KR (1) KR100357306B1 (ko)
DE (1) DE69523002T2 (ko)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69529829T2 (de) * 1994-07-06 2003-12-24 Masahiko Morinaga Ferritische wärmebeständige Stähle
ATE175728T1 (de) * 1995-04-12 1999-01-15 Mitsubishi Heavy Ind Ltd Hochfester, hochzaher warmebestandiger stahl und verfahren zu seiner herstellung
JP3310825B2 (ja) * 1995-07-17 2002-08-05 三菱重工業株式会社 高温用蒸気タービンロータ材
JPH09296258A (ja) * 1996-05-07 1997-11-18 Hitachi Ltd 耐熱鋼及び蒸気タービン用ロータシャフト
JP3245097B2 (ja) * 1997-01-08 2002-01-07 三菱重工業株式会社 高温用蒸気タービンロータ材
JP3422658B2 (ja) * 1997-06-25 2003-06-30 三菱重工業株式会社 耐熱鋼
JPH1136038A (ja) * 1997-07-16 1999-02-09 Mitsubishi Heavy Ind Ltd 耐熱鋳鋼
US6117388A (en) * 1998-09-02 2000-09-12 The Japan Steel Works, Ltd. Hot working die steel and member comprising the same for high-temperature use
EP1091010B1 (en) * 1999-10-04 2003-10-22 Mitsubishi Heavy Industries, Ltd. Low-alloy heat-resistant steel, process for producing the same, and turbine rotor
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
FR2823226B1 (fr) * 2001-04-04 2004-02-20 V & M France Acier et tube en acier pour usage a haute temperature
JP3905739B2 (ja) * 2001-10-25 2007-04-18 三菱重工業株式会社 タービンロータ用１２Ｃｒ合金鋼、その製造方法及びタービンロータ
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
JP3921574B2 (ja) * 2003-04-04 2007-05-30 株式会社日立製作所 耐熱鋼とそれを用いたガスタービン及びその各種部材
JP4509664B2 (ja) 2003-07-30 2010-07-21 株式会社東芝 蒸気タービン発電設備
JP2005076062A (ja) * 2003-08-29 2005-03-24 National Institute For Materials Science 高温ボルト材
EP2580357A1 (en) * 2010-06-10 2013-04-17 Tata Steel Nederland Technology B.V. A method for producing a tempered martensitic heat resistant steel for high temperature applications
JP5574953B2 (ja) 2010-12-28 2014-08-20 株式会社東芝 鍛造用耐熱鋼、鍛造用耐熱鋼の製造方法、鍛造部品および鍛造部品の製造方法
JP5562825B2 (ja) * 2010-12-28 2014-07-30 株式会社東芝 耐熱鋳鋼、耐熱鋳鋼の製造方法、蒸気タービンの鋳造部品および蒸気タービンの鋳造部品の製造方法
CN104561839B (zh) * 2015-02-09 2017-04-05 中国第一重型机械股份公司 一种稀土改性的9%Cr马氏体耐热铸钢及其制造方法

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JPS54115617A (en) * 1978-02-28 1979-09-08 Hitachi Metals Ltd Corrosion and abrasion resistant alloy steel
JPS54121219A (en) * 1978-03-14 1979-09-20 Hitachi Metals Ltd Corrosion resistant steel alloy
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Also Published As

Publication number Publication date
DE69523002T2 (de) 2002-02-07
KR100357306B1 (ko) 2003-01-14
DE69523002D1 (de) 2001-11-08
JPH083697A (ja) 1996-01-09
EP0691416A1 (en) 1996-01-10
US5560788A (en) 1996-10-01
EP0691416B1 (en) 2001-10-04

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