IT980137B - Metodo per produrre acciaio ipoeu tettoide e prodotto cosi ottenuto - Google Patents

Metodo per produrre acciaio ipoeu tettoide e prodotto cosi ottenuto

Info

Publication number
IT980137B
IT980137B IT49330/73A IT4933073A IT980137B IT 980137 B IT980137 B IT 980137B IT 49330/73 A IT49330/73 A IT 49330/73A IT 4933073 A IT4933073 A IT 4933073A IT 980137 B IT980137 B IT 980137B
Authority
IT
Italy
Prior art keywords
ipoeu
produce
product
steel roof
roof
Prior art date
Application number
IT49330/73A
Other languages
English (en)
Italian (it)
Original Assignee
Bethlehem Steel Corp
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 Bethlehem Steel Corp filed Critical Bethlehem Steel Corp
Application granted granted Critical
Publication of IT980137B publication Critical patent/IT980137B/it

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
    • 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

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)
IT49330/73A 1972-04-10 1973-04-10 Metodo per produrre acciaio ipoeu tettoide e prodotto cosi ottenuto IT980137B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US24247372A 1972-04-10 1972-04-10

Publications (1)

Publication Number Publication Date
IT980137B true IT980137B (it) 1974-09-30

Family

ID=22914906

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49330/73A IT980137B (it) 1972-04-10 1973-04-10 Metodo per produrre acciaio ipoeu tettoide e prodotto cosi ottenuto

Country Status (7)

Country Link
US (1) US3762964A (da)
JP (1) JPS499421A (da)
CA (1) CA992440A (da)
DE (1) DE2317628A1 (da)
FR (1) FR2179884B1 (da)
GB (1) GB1435313A (da)
IT (1) IT980137B (da)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4533390A (en) * 1983-09-30 1985-08-06 Board Of Trustees Of The Leland Stanford Junior University Ultra high carbon steel alloy and processing thereof
US4604145A (en) * 1984-01-13 1986-08-05 Sumitomo Metal Industries, Ltd. Process for production of steel bar or steel wire having an improved spheroidal structure of cementite
JP3215891B2 (ja) * 1991-06-14 2001-10-09 新日本製鐵株式会社 冷間加工用棒鋼線材の製造方法
SE510447C2 (sv) * 1998-03-16 1999-05-25 Ovako Steel Ab Sätt för mjukglödgning av högkolhaltigt stål

Also Published As

Publication number Publication date
FR2179884A1 (da) 1973-11-23
JPS499421A (da) 1974-01-28
GB1435313A (en) 1976-05-12
DE2317628A1 (de) 1973-10-18
US3762964A (en) 1973-10-02
FR2179884B1 (da) 1977-08-19
CA992440A (en) 1976-07-06

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