DE3275389D1 - Method of producing elongate large-size forged article - Google Patents

Method of producing elongate large-size forged article

Info

Publication number
DE3275389D1
DE3275389D1 DE8282305795T DE3275389T DE3275389D1 DE 3275389 D1 DE3275389 D1 DE 3275389D1 DE 8282305795 T DE8282305795 T DE 8282305795T DE 3275389 T DE3275389 T DE 3275389T DE 3275389 D1 DE3275389 D1 DE 3275389D1
Authority
DE
Germany
Prior art keywords
forged article
producing elongate
size forged
elongate large
size
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
DE8282305795T
Other languages
German (de)
English (en)
Inventor
Kimihiko Akahori
Shigeo Maeno
Hideyo Kodama
Norio Morisada
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Application granted granted Critical
Publication of DE3275389D1 publication Critical patent/DE3275389D1/de
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C21D8/005—Modifying the physical properties by deformation combined with, or followed by, heat treatment 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
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • 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
    • C21D7/00—Modifying the physical properties of iron or steel by deformation
    • C21D7/13—Modifying the physical properties of iron or steel by deformation by hot working
    • 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
    • C21D9/38—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for roll bodies
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/4998—Combined manufacture including applying or shaping of fluent material
    • Y10T29/49988—Metal casting

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Forging (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
DE8282305795T 1981-11-02 1982-11-01 Method of producing elongate large-size forged article Expired DE3275389D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56174635A JPS5877743A (ja) 1981-11-02 1981-11-02 ニオビウムを含有する合金鋼の造塊法

Publications (1)

Publication Number Publication Date
DE3275389D1 true DE3275389D1 (en) 1987-03-12

Family

ID=15982034

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8282305795T Expired DE3275389D1 (en) 1981-11-02 1982-11-01 Method of producing elongate large-size forged article

Country Status (6)

Country Link
US (1) US4404041A (enExample)
EP (1) EP0078694B1 (enExample)
JP (1) JPS5877743A (enExample)
KR (1) KR890005095B1 (enExample)
DE (1) DE3275389D1 (enExample)
IN (1) IN157157B (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3512777A1 (de) * 1985-04-10 1986-10-30 Berchem & Schaberg Gmbh, 4650 Gelsenkirchen Verwendung eines stahles mit zumindest 1% kohlenstoff und zumindest einem carbidbildenden legierungselement fuer baumaschinen-maschinenteile
DE3668009D1 (de) * 1985-07-09 1990-02-08 Mitsubishi Heavy Ind Ltd Hochtemperaturrotor fuer eine dampfturbine und verfahren zu seiner herstellung.
US4762577A (en) * 1987-01-30 1988-08-09 Westinghouse Electric Corp. 9 Chromium- 1 molybdenum steel alloy having superior high temperature properties and weldability, a method for preparing same and articles fabricated therefrom
JP3315800B2 (ja) 1994-02-22 2002-08-19 株式会社日立製作所 蒸気タービン発電プラント及び蒸気タービン
FI125577B (en) * 2006-06-22 2015-11-30 Wärtsilä Finland Oy A method for handling a crankshaft
WO2013041043A1 (zh) * 2011-09-22 2013-03-28 中国科学院金属研究所 一种高效率愈合钢锭或坯料内部孔洞型缺陷的锻造方法
CN114632901B (zh) * 2022-03-18 2024-05-17 西安聚能高温合金材料科技有限公司 一种超超临界火电机组用高温合金自由锻棒坯制备方法
CN116219130A (zh) * 2023-03-08 2023-06-06 武钢集团襄阳重型装备材料有限公司 一种控制锻材白点的生产方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1150401A (en) * 1915-05-05 1915-08-17 Benjamin Talbot Treating iron and steel ingots.
US1734930A (en) * 1927-12-22 1929-11-05 Gen Electric Temperature-stabilized shaft for turbines and method of making the same
US3151979A (en) * 1962-03-21 1964-10-06 United States Steel Corp High strength steel and method of treatment thereof
US3139337A (en) * 1962-05-31 1964-06-30 Gen Electric Alloys
US3311972A (en) * 1964-08-17 1967-04-04 Int Nickel Co Production of ingots for wrought metal products
AT304999B (de) * 1970-10-15 1973-02-12 Boehler & Co Ag Geb Verfahren zur Herstellung von geschmiedetem oder gewalztem Stabstahl aus ledeburitischen Werkzeugstählen
US4026727A (en) * 1975-11-04 1977-05-31 A. Finkl & Sons Company Fatigue resistant steel, machinery parts and method of manufacture thereof
DE2940473A1 (de) * 1978-04-07 1981-01-15 Nippon Steel Corp Verfahren und vorrichtung zur herstellung von metallprofilen
JPS54146211A (en) * 1978-05-09 1979-11-15 Toshiba Corp High and low pressure unified type turbine rotor
ES482396A1 (es) * 1978-08-04 1980-04-01 Creusot Loire Procedimiento de fabricacion de lingotes de forja
US4286986A (en) * 1979-08-01 1981-09-01 Allegheny Ludlum Steel Corporation Ferritic stainless steel and processing therefor
JPS5623367A (en) * 1979-08-01 1981-03-05 Hitachi Ltd Production of rotor shaft

Also Published As

Publication number Publication date
EP0078694A2 (en) 1983-05-11
US4404041A (en) 1983-09-13
IN157157B (enExample) 1986-02-01
KR840001862A (ko) 1984-06-07
EP0078694A3 (en) 1984-05-16
KR890005095B1 (ko) 1989-12-11
JPS5877743A (ja) 1983-05-11
EP0078694B1 (en) 1987-02-04

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: STREHL, P., DIPL.-ING. DIPL.-WIRTSCH.-ING. SCHUEBEL-HOPF, U., DIPL.-CHEM. DR.RER.NAT. GROENING, H., DIPL.-ING., PAT.-ANWAELTE, 8000 MUENCHEN

8339 Ceased/non-payment of the annual fee