EP1031631A3 - Procédé de recuit de sphéroidisation d'acier hypoeutectoidique faiblement allié - Google Patents

Procédé de recuit de sphéroidisation d'acier hypoeutectoidique faiblement allié Download PDF

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Publication number
EP1031631A3
EP1031631A3 EP00850027A EP00850027A EP1031631A3 EP 1031631 A3 EP1031631 A3 EP 1031631A3 EP 00850027 A EP00850027 A EP 00850027A EP 00850027 A EP00850027 A EP 00850027A EP 1031631 A3 EP1031631 A3 EP 1031631A3
Authority
EP
European Patent Office
Prior art keywords
eutectoid
hypo
alloy steel
low alloy
temperature
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.)
Withdrawn
Application number
EP00850027A
Other languages
German (de)
English (en)
Other versions
EP1031631A2 (fr
Inventor
Thore Lund
Staffan Larsson
Patrik Ölund
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.)
Ovako Steel AB
Original Assignee
Ovako Steel AB
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 Ovako Steel AB filed Critical Ovako Steel AB
Publication of EP1031631A2 publication Critical patent/EP1031631A2/fr
Publication of EP1031631A3 publication Critical patent/EP1031631A3/fr
Withdrawn legal-status Critical Current

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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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/26—Methods of annealing
    • C21D1/32—Soft annealing, e.g. spheroidising
    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/78—Combined heat-treatments not provided for above
    • C21D1/785—Thermocycling
    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/26—Methods of annealing
    • C21D1/28—Normalising

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
EP00850027A 1999-02-22 2000-02-14 Procédé de recuit de sphéroidisation d'acier hypoeutectoidique faiblement allié Withdrawn EP1031631A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9900598 1999-02-22
SE9900598A SE521770C2 (sv) 1999-02-22 1999-02-22 Sfäroidiserande glödgning av undereutektisk låglegerat stål

Publications (2)

Publication Number Publication Date
EP1031631A2 EP1031631A2 (fr) 2000-08-30
EP1031631A3 true EP1031631A3 (fr) 2003-10-08

Family

ID=20414556

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00850027A Withdrawn EP1031631A3 (fr) 1999-02-22 2000-02-14 Procédé de recuit de sphéroidisation d'acier hypoeutectoidique faiblement allié

Country Status (4)

Country Link
EP (1) EP1031631A3 (fr)
JP (1) JP2000239737A (fr)
CN (1) CN1265427A (fr)
SE (1) SE521770C2 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100348742C (zh) * 2006-03-14 2007-11-14 钢铁研究总院 一种防弹头盔用深冲钢板的球化退火处理工艺
KR100653134B1 (ko) * 2006-04-25 2006-12-04 광진실업 주식회사 전기유도 가열장치를 이용한 중탄소강 강봉의 구상화 소둔 방법
CN102226228B (zh) * 2011-06-08 2013-06-19 马鞍山钢铁股份有限公司 一种中间相退火球化中低碳钢组织中珠光体的试验工艺
DE102011051682B4 (de) * 2011-07-08 2013-02-21 Max Aicher Verfahren und Vorrichtung zum Behandeln eines Stahlprodukts sowie Stahlprodukt
CZ305540B6 (cs) * 2014-05-21 2015-11-25 Západočeská Univerzita V Plzni Způsob tepelného zpracování vysokolegované oceli
CN106755852A (zh) * 2016-11-30 2017-05-31 中国船舶重工集团公司第十二研究所 一种合金钢低硬度软化方法
CN107723435B (zh) * 2017-11-30 2023-06-06 贵州大学 在亚共析钢线材中获得细化的全珠光体组织的方法及装置
CN109628713B (zh) * 2018-12-12 2020-11-06 河钢股份有限公司承德分公司 一种低碳号钢的球化退火方法
CN109517949B (zh) * 2018-12-12 2020-10-30 河钢股份有限公司承德分公司 一种轴类用钢的球化退火方法
CN109593929B (zh) * 2018-12-12 2020-10-30 河钢股份有限公司承德分公司 一种冷镦钢的球化退火方法
CN109487052B (zh) * 2018-12-12 2020-10-30 河钢股份有限公司承德分公司 一种含b冷镦钢的球化退火方法
CN115013601B (zh) * 2022-07-01 2023-11-07 江苏徐工工程机械研究院有限公司 混凝土输送管及其制造方法和混凝土泵车

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4322256A (en) * 1979-01-31 1982-03-30 Snap-On Tools Corporation Tool made from alloy steel for severe cold forming
RU2023026C1 (ru) * 1991-07-02 1994-11-15 Украинский государственный научно-исследовательский институт металлов Способ термической обработки рельсов

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4322256A (en) * 1979-01-31 1982-03-30 Snap-On Tools Corporation Tool made from alloy steel for severe cold forming
RU2023026C1 (ru) * 1991-07-02 1994-11-15 Украинский государственный научно-исследовательский институт металлов Способ термической обработки рельсов

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
BYKADOROV A T ET AL: "SHPEROIDIZING OF ROLLED SECTIONS OF 20F2R STEEL", STEEL IN THE USSR, METALS SOCIETY. LONDON, GB, vol. 14, no. 9, October 1984 (1984-10-01), pages 446 - 448, XP002106012 *

Also Published As

Publication number Publication date
EP1031631A2 (fr) 2000-08-30
SE521770C2 (sv) 2003-12-02
SE9900598D0 (sv) 1999-02-22
SE9900598L (sv) 2000-08-23
CN1265427A (zh) 2000-09-06
JP2000239737A (ja) 2000-09-05

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