GB1049917A - Improvements in steel making processes - Google Patents

Improvements in steel making processes

Info

Publication number
GB1049917A
GB1049917A GB13651/64A GB1365164A GB1049917A GB 1049917 A GB1049917 A GB 1049917A GB 13651/64 A GB13651/64 A GB 13651/64A GB 1365164 A GB1365164 A GB 1365164A GB 1049917 A GB1049917 A GB 1049917A
Authority
GB
United Kingdom
Prior art keywords
melt
steel making
making processes
oxygen content
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
GB13651/64A
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.)
Dortmund Hoerder Huettenunion AG
Original Assignee
Dortmund Hoerder Huettenunion AG
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 Dortmund Hoerder Huettenunion AG filed Critical Dortmund Hoerder Huettenunion AG
Publication of GB1049917A publication Critical patent/GB1049917A/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
    • C22C35/00—Master alloys for iron or steel
    • 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
    • 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
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/06—Deoxidising, e.g. killing
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C28/00—Alloys based on a metal not provided for in groups C22C5/00 - C22C27/00
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Cutting Tools, Boring Holders, And Turrets (AREA)

Abstract

Steels which are to have good cutting properties over a wide range of cutting speeds are produced by adjusting the oxygen content of a steel melt to between 0.004 and 0.1% and then treating the melt with an alloy consisting of .Si.45-90% .Ca.0.5-40% .Al.up to 4% .Mn.0.5-8% .Fe.(if any) the remainder, the composition and amount of the alloy added being adjusted in relation to the oxygen content of the melt to produce in the steel uniformly distributed non-metallic inclusions comprising more than 50% SiO2, 0.5-25% CaO and not more than 45% Al2O3.
GB13651/64A 1963-04-27 1964-04-02 Improvements in steel making processes Expired GB1049917A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DED0041446 1963-04-27
DED43024A DE1258433B (en) 1963-04-27 1963-11-26 Use of a ferro alloy in the manufacture of steels with good machinability

Publications (1)

Publication Number Publication Date
GB1049917A true GB1049917A (en) 1966-11-30

Family

ID=25971623

Family Applications (1)

Application Number Title Priority Date Filing Date
GB13651/64A Expired GB1049917A (en) 1963-04-27 1964-04-02 Improvements in steel making processes

Country Status (6)

Country Link
US (1) US3301663A (en)
AT (1) AT270727B (en)
BE (1) BE646672A (en)
DE (2) DE1258433B (en)
GB (1) GB1049917A (en)
LU (1) LU45808A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2296014A1 (en) * 1974-12-27 1976-07-23 Centro Speriment Metallurg Steel with improved machineability and fatigue strength - obtd. by ladle deoxidn. producing amorphous inclusions
US4115111A (en) * 1973-11-13 1978-09-19 Daido Tokushuko Kabushiki Kaisha Free-cutting structural steel for machines

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT327265B (en) * 1970-05-29 1976-01-26 Lenin Kohaszati Muvek PROCESS WITH SPECIAL DEOXIDATION FOR THE PRODUCTION OF GOOD MACHINABLE CARBON STEELS
FR2109058A5 (en) * 1970-07-23 1972-05-26 Pechiney
JPS5115487B1 (en) * 1971-08-04 1976-05-17
US3933480A (en) * 1972-09-18 1976-01-20 Republic Steel Corporation Method of making stainless steel having improved machinability
DE2614957C3 (en) * 1976-04-07 1978-11-02 Hans Joachim Dipl.-Ing. Eitel Process for the production of casting powder
FR2414560A1 (en) * 1978-01-13 1979-08-10 Metal Research Corp High purity ferrosilicon contg. silicon and aluminium - and calcium and/or magnesium and cpd. contg. units of alumina, magnesia and/or calcia, silica and ferrous oxide
US4795491A (en) * 1987-04-13 1989-01-03 Quigley Joseph R Premelted synthetic slag for ladle desulfurizing molten steel

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US660846A (en) * 1896-06-10 1900-10-30 Krupp Gmbh Process of deoxidating metals.
DE904181C (en) * 1943-05-05 1954-02-15 Neunkircher Eisenwerk Ag Process for producing free cutting steel
US3000731A (en) * 1958-02-03 1961-09-19 Res Inst Iron Steel Fine-grained steels
US3137570A (en) * 1962-08-10 1964-06-16 Vanadium Corp Of America Inoculating alloy
US3215525A (en) * 1962-10-12 1965-11-02 Vanadium Corp Of America Deoxidation alloy

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4115111A (en) * 1973-11-13 1978-09-19 Daido Tokushuko Kabushiki Kaisha Free-cutting structural steel for machines
FR2296014A1 (en) * 1974-12-27 1976-07-23 Centro Speriment Metallurg Steel with improved machineability and fatigue strength - obtd. by ladle deoxidn. producing amorphous inclusions

Also Published As

Publication number Publication date
US3301663A (en) 1967-01-31
DE1258433B (en) 1968-01-11
AT270727B (en) 1969-05-12
LU45808A1 (en) 1964-06-03
BE646672A (en) 1964-08-17
DE1248690B (en) 1967-08-31

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