DE3068522D1 - Semi-finished steel article and method for producing same - Google Patents

Semi-finished steel article and method for producing same

Info

Publication number
DE3068522D1
DE3068522D1 DE8080104708T DE3068522T DE3068522D1 DE 3068522 D1 DE3068522 D1 DE 3068522D1 DE 8080104708 T DE8080104708 T DE 8080104708T DE 3068522 T DE3068522 T DE 3068522T DE 3068522 D1 DE3068522 D1 DE 3068522D1
Authority
DE
Germany
Prior art keywords
semi
producing same
finished steel
steel article
article
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
DE8080104708T
Other languages
German (de)
Inventor
Debanshu Bhattacharya
Michael O Holowaty
Dennis T Quinto
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.)
Inland Steel Co
Original Assignee
Inland Steel Co
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8186750&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3068522(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Inland Steel Co filed Critical Inland Steel Co
Application granted granted Critical
Publication of DE3068522D1 publication Critical patent/DE3068522D1/en
Expired legal-status Critical Current

Links

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
    • C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Steel (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
DE8080104708T 1980-08-11 1980-08-11 Semi-finished steel article and method for producing same Expired DE3068522D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP80104708A EP0045815B1 (en) 1980-08-11 1980-08-11 Semi-finished steel article and method for producing same

Publications (1)

Publication Number Publication Date
DE3068522D1 true DE3068522D1 (en) 1984-08-16

Family

ID=8186750

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8080104708T Expired DE3068522D1 (en) 1980-08-11 1980-08-11 Semi-finished steel article and method for producing same

Country Status (2)

Country Link
EP (1) EP0045815B1 (en)
DE (1) DE3068522D1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4741786A (en) * 1986-06-10 1988-05-03 Stanadyne, Inc. Cold drawn free-machining steel bar including bismuth

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2378548A (en) * 1944-01-11 1945-06-19 Bethlehem Steel Corp Ferrous alloys containing bismuth
DE1222269B (en) * 1958-04-01 1966-08-04 Inland Steel Co Free cutting steel
US3152889A (en) * 1961-10-31 1964-10-13 Inland Steel Co Free machining steel with lead and tellurium
US3287954A (en) * 1962-08-30 1966-11-29 Inland Steel Co Method for heating steel billets
US3152890A (en) * 1963-11-14 1964-10-13 Inland Steel Co Free machining steel with sulphur plus tellurium and/or selenium
US3365922A (en) * 1965-02-01 1968-01-30 Inland Steel Co Method for producing hot-worked tellurium-containing steel article
US3382700A (en) * 1966-03-31 1968-05-14 Inland Steel Co Process for reducing surface checking during hot working of steel
US3590476A (en) * 1969-02-27 1971-07-06 Inland Steel Co Method for producing a tellurium steel article
FR2088015B1 (en) * 1970-05-08 1974-08-09 Creusot Loire
FR2105701A5 (en) * 1970-09-17 1972-04-28 Pompey Acieries
US3710608A (en) * 1970-12-02 1973-01-16 Inland Steel Co Method for heating unfinished tellurium-containing steel articles before hot rolling
DE2107525A1 (en) * 1971-02-17 1972-08-24 Schwaebische Huettenwerke Gmbh Hollow composite chilled iron roll - having core of automat steel
FR2436825B1 (en) * 1978-09-20 1987-07-24 Daido Steel Co Ltd TELLURE AND SULFUR SHELL STEEL HAVING REDUCED ANISOTROPY OF MECHANICAL PROPERTIES AND GOOD COLD FORGING SUITABILITY, AND PROCESS FOR PREPARING THE SAME

Also Published As

Publication number Publication date
EP0045815B1 (en) 1984-07-11
EP0045815A1 (en) 1982-02-17

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Legal Events

Date Code Title Description
8331 Complete revocation