FR2281988A2 - PROCESS FOR ADDING LEAD TO MELT STEEL IN A CASTING POCKET - Google Patents

PROCESS FOR ADDING LEAD TO MELT STEEL IN A CASTING POCKET

Info

Publication number
FR2281988A2
FR2281988A2 FR7510127A FR7510127A FR2281988A2 FR 2281988 A2 FR2281988 A2 FR 2281988A2 FR 7510127 A FR7510127 A FR 7510127A FR 7510127 A FR7510127 A FR 7510127A FR 2281988 A2 FR2281988 A2 FR 2281988A2
Authority
FR
France
Prior art keywords
adding lead
melt steel
casting pocket
pocket
casting
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.)
Granted
Application number
FR7510127A
Other languages
French (fr)
Other versions
FR2281988B2 (en
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
Application filed by Inland Steel Co filed Critical Inland Steel Co
Publication of FR2281988A2 publication Critical patent/FR2281988A2/en
Application granted granted Critical
Publication of FR2281988B2 publication Critical patent/FR2281988B2/fr
Granted 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)
FR7510127A 1974-08-14 1975-04-01 PROCESS FOR ADDING LEAD TO MELT STEEL IN A CASTING POCKET Granted FR2281988A2 (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2281988A2 true FR2281988A2 (en) 1976-03-12
FR2281988B2 FR2281988B2 (en) 1978-04-21

Family

ID=23976097

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7510127A Granted FR2281988A2 (en) 1974-08-14 1975-04-01 PROCESS FOR ADDING LEAD TO MELT STEEL IN A CASTING POCKET

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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0020792A1 (en) * 1979-06-08 1981-01-07 Henrik Giflo High-strength freely machinable steel capable of sustaining dynamic forces

Families Citing this family (8)

* 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
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
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

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2065974A5 (en) * 1969-10-15 1971-08-06 British Steel Corp
US3671224A (en) * 1970-08-17 1972-06-20 Republic Steel Corp Methods of producing leaded steel

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2065974A5 (en) * 1969-10-15 1971-08-06 British Steel Corp
US3671224A (en) * 1970-08-17 1972-06-20 Republic Steel Corp Methods of producing leaded steel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0020792A1 (en) * 1979-06-08 1981-01-07 Henrik Giflo High-strength freely machinable steel capable of sustaining dynamic forces

Also Published As

Publication number Publication date
IT1030150B (en) 1979-03-30
DE2508007A1 (en) 1976-03-04
ATA304875A (en) 1978-02-15
ZA75241B (en) 1976-01-28
CA1045856A (en) 1979-01-09
BE824838A (en) 1975-05-15
JPS5142011A (en) 1976-04-09
SE7509134L (en) 1976-02-16
BR7501300A (en) 1976-08-03
GB1492953A (en) 1977-11-23
AU7744675A (en) 1976-07-22
FR2281988B2 (en) 1978-04-21
ES440156A2 (en) 1977-07-16
LU71738A1 (en) 1975-06-24

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