JPS5843447B2 - 鋼断面の品質改良法 - Google Patents

鋼断面の品質改良法

Info

Publication number
JPS5843447B2
JPS5843447B2 JP11447178A JP11447178A JPS5843447B2 JP S5843447 B2 JPS5843447 B2 JP S5843447B2 JP 11447178 A JP11447178 A JP 11447178A JP 11447178 A JP11447178 A JP 11447178A JP S5843447 B2 JPS5843447 B2 JP S5843447B2
Authority
JP
Japan
Prior art keywords
steel
outer layer
ferrite
flat
quenching
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
JP11447178A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5454911A (en
Inventor
イヴ・ジヤン・レスパン
マリオ・エコノモプロ
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.)
SANTORU DO RUSHERUSHU METARYURUJIIKU
Original Assignee
SANTORU DO RUSHERUSHU METARYURUJIIKU
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 SANTORU DO RUSHERUSHU METARYURUJIIKU filed Critical SANTORU DO RUSHERUSHU METARYURUJIIKU
Publication of JPS5454911A publication Critical patent/JPS5454911A/ja
Publication of JPS5843447B2 publication Critical patent/JPS5843447B2/ja
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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • C21D1/19—Hardening; Quenching with or without subsequent tempering by interrupted quenching
    • 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
    • C21D1/02—Hardening articles or materials formed by forging or rolling, with no further heating beyond that required for the formation

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 Strip Materials And Filament Materials (AREA)
  • Metal Rolling (AREA)
  • Heat Treatment Of Articles (AREA)
JP11447178A 1977-09-19 1978-09-18 鋼断面の品質改良法 Expired JPS5843447B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE6046151A BE858862A (fr) 1977-09-19 1977-09-19 Procede pour ameliorer la qualite des profiles en acier

Publications (2)

Publication Number Publication Date
JPS5454911A JPS5454911A (en) 1979-05-01
JPS5843447B2 true JPS5843447B2 (ja) 1983-09-27

Family

ID=3874753

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11447178A Expired JPS5843447B2 (ja) 1977-09-19 1978-09-18 鋼断面の品質改良法

Country Status (4)

Country Link
JP (1) JPS5843447B2 (fr)
BE (1) BE858862A (fr)
DE (1) DE2840193A1 (fr)
GB (1) GB2005312B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4203783A (en) * 1977-09-19 1980-05-20 Centre De Recherches Metallurgiques Process for improving the quality of steel sections
BE1005964A6 (fr) * 1992-06-29 1994-04-05 Centre Rech Metallurgique Procede de protection d'un produit siderurgique lamine a chaud.
JP4581645B2 (ja) * 2004-11-22 2010-11-17 Ｊｆｅスチール株式会社 ウエブ薄肉高強度ｈ形鋼の製造方法
JP4817898B2 (ja) * 2006-03-14 2011-11-16 トピー工業株式会社 熱処理装置および熱処理方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2543750A1 (de) * 1974-10-04 1976-04-15 Centre Rech Metallurgique Verfahren und vorrichtung zur verbesserung der qualitaet bei profilstahl

Also Published As

Publication number Publication date
GB2005312B (en) 1982-02-24
DE2840193A1 (de) 1979-03-29
JPS5454911A (en) 1979-05-01
GB2005312A (en) 1979-04-19
BE858862A (fr) 1978-01-16

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