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ES440156A2 - Leaded steel bar - Google Patents

Leaded steel bar

Info

Publication number
ES440156A2
ES440156A2 ES440156A ES440156A ES440156A2 ES 440156 A2 ES440156 A2 ES 440156A2 ES 440156 A ES440156 A ES 440156A ES 440156 A ES440156 A ES 440156A ES 440156 A2 ES440156 A2 ES 440156A2
Authority
ES
Spain
Prior art keywords
lead
slag
steel bar
plugs
leaded steel
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
ES440156A
Other languages
Spanish (es)
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.)
ECHEVARRIA E INLAND STEEL COMP
Original Assignee
ECHEVARRIA E INLAND STEEL COMP
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 ECHEVARRIA E INLAND STEEL COMP filed Critical ECHEVARRIA E INLAND STEEL COMP
Publication of ES440156A2 publication Critical patent/ES440156A2/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/0006—Adding metallic additives
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/0075—Treating in a ladle furnace, e.g. up-/reheating of molten steel within the ladle
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/0006—Adding metallic additives
    • C21C2007/0012—Lead

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Steel In Its Molten State (AREA)

Abstract

Improvements introduced in the object of main patent no. 450,602 for improvements in the processes for obtaining ingots and continuous casting products of industrial dimensions in high machinability steels with high lead content, characterized in that the base steel of the casting ladle is most of its slag has been removed, lead being introduced through the surface of the bath in the areas not covered by the slag and in a position that is not located directly in the vertical of one of the porous plugs, being introduced by said plugs an inert gas before, during and after the addition of lead. (Machine-translation by Google Translate, not legally binding)
ES440156A 1974-08-14 1975-09-09 Leaded steel bar Expired ES440156A2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US49725874A 1974-08-14 1974-08-14

Publications (1)

Publication Number Publication Date
ES440156A2 true ES440156A2 (en) 1977-07-16

Family

ID=23976097

Family Applications (1)

Application Number Title Priority Date Filing Date
ES440156A Expired ES440156A2 (en) 1974-08-14 1975-09-09 Leaded steel bar

Country Status (13)

Country Link
JP (1) JPS5142011A (en)
AT (1) ATA304875A (en)
BE (1) BE824838A (en)
BR (1) BR7501300A (en)
CA (1) CA1045856A (en)
DE (1) DE2508007A1 (en)
ES (1) ES440156A2 (en)
FR (1) FR2281988A2 (en)
GB (1) GB1492953A (en)
IT (1) IT1030150B (en)
LU (1) LU71738A1 (en)
SE (1) SE7509134L (en)
ZA (1) ZA75241B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5735321Y2 (en) * 1978-08-21 1982-08-04
JPS55115850U (en) * 1979-02-13 1980-08-15
DE2967319D1 (en) * 1979-06-08 1985-01-17 Henrik Giflo High-strength freely machinable steel capable of sustaining dynamic forces
US4265660A (en) 1979-07-03 1981-05-05 Henrik Giflo High-strength free-cutting steel able to support dynamic stresses
US4247326A (en) * 1979-08-29 1981-01-27 Inland Steel Company Free machining steel with bismuth
JPS58190304A (en) * 1982-05-01 1983-11-07 株式会社スズテック Rice planting method and apparatus
CA1301489C (en) * 1986-06-10 1992-05-26 St. Marie, Thomas A. Cold drawn free-machining resulfurized and rephosphorized steel bars having controlled mechanical properties and controlled machinability
RU2186146C1 (en) * 2000-12-26 2002-07-27 Федеральное государственное унитарное предприятие Центральный научно-исследовательский институт черной металлургии им.И.П.Бардина Steel
RU2208054C1 (en) * 2002-04-03 2003-07-10 Техком Импорт Экспорт Гмбх Method for mixing steel in ladle
CN110117693B (en) * 2019-04-09 2021-02-23 上海大学 Tellurium addition process method of tellurium-containing free-cutting steel

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE757558A (en) * 1969-10-15 1971-03-16 British Steel Corp ALLOY STEELS
US3671224A (en) * 1970-08-17 1972-06-20 Republic Steel Corp Methods of producing leaded steel

Also Published As

Publication number Publication date
BE824838A (en) 1975-05-15
LU71738A1 (en) 1975-06-24
JPS5142011A (en) 1976-04-09
IT1030150B (en) 1979-03-30
SE7509134L (en) 1976-02-16
CA1045856A (en) 1979-01-09
FR2281988B2 (en) 1978-04-21
ATA304875A (en) 1978-02-15
BR7501300A (en) 1976-08-03
DE2508007A1 (en) 1976-03-04
ZA75241B (en) 1976-01-28
FR2281988A2 (en) 1976-03-12
GB1492953A (en) 1977-11-23
AU7744675A (en) 1976-07-22

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