KR850000874B1 - 용융금속의 탈탄(脫炭) 방법 - Google Patents

용융금속의 탈탄(脫炭) 방법 Download PDF

Info

Publication number
KR850000874B1
KR850000874B1 KR1019800004708A KR800004708A KR850000874B1 KR 850000874 B1 KR850000874 B1 KR 850000874B1 KR 1019800004708 A KR1019800004708 A KR 1019800004708A KR 800004708 A KR800004708 A KR 800004708A KR 850000874 B1 KR850000874 B1 KR 850000874B1
Authority
KR
South Korea
Prior art keywords
oxygen
gas
inert gas
decarburization
nitrogen
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
KR1019800004708A
Other languages
English (en)
Korean (ko)
Other versions
KR830004436A (ko
Inventor
파울 시몬스 리차드
Original Assignee
알레니 루스덤 스틸 코포 레이숀
제임스 티 · 도우어티
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=22290722&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=KR850000874(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by 알레니 루스덤 스틸 코포 레이숀, 제임스 티 · 도우어티 filed Critical 알레니 루스덤 스틸 코포 레이숀
Publication of KR830004436A publication Critical patent/KR830004436A/ko
Application granted granted Critical
Publication of KR850000874B1 publication Critical patent/KR850000874B1/ko
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
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/30—Regulating or controlling the blowing
    • C21C5/34—Blowing through the bath
    • 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
    • C21C7/068—Decarburising
    • C21C7/0685—Decarburising of stainless steel
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
    • C22B9/05—Refining by treating with gases, e.g. gas flushing also refining by means of a material generating gas in situ

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Heat Treatment Of Articles (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)
KR1019800004708A 1979-12-12 1980-12-11 용융금속의 탈탄(脫炭) 방법 Expired KR850000874B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US102,607 1979-12-12
US06/102,607 US4260415A (en) 1979-12-12 1979-12-12 Decarburizing molten metal
US102.607 1979-12-12

Publications (2)

Publication Number Publication Date
KR830004436A KR830004436A (ko) 1983-07-13
KR850000874B1 true KR850000874B1 (ko) 1985-06-22

Family

ID=22290722

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019800004708A Expired KR850000874B1 (ko) 1979-12-12 1980-12-11 용융금속의 탈탄(脫炭) 방법

Country Status (10)

Country Link
US (1) US4260415A (https=)
EP (1) EP0030818B1 (https=)
JP (1) JPS5693835A (https=)
KR (1) KR850000874B1 (https=)
AT (1) ATE14750T1 (https=)
CA (1) CA1152336A (https=)
DE (1) DE3070959D1 (https=)
ES (1) ES8301505A1 (https=)
NO (1) NO155938C (https=)
ZA (1) ZA807331B (https=)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6063307A (ja) * 1983-09-14 1985-04-11 Kawasaki Steel Corp 極低炭素鋼の転炉製鋼法
FR2560891B1 (fr) * 1984-03-09 1989-10-20 Air Liquide Procede d'affinage de la fonte
US4529443A (en) * 1984-04-26 1985-07-16 Allegheny Ludlum Steel Corporation System and method for producing steel in a top-blown vessel
US4514220A (en) * 1984-04-26 1985-04-30 Allegheny Ludlum Steel Corporation Method for producing steel in a top-blown vessel
US4615730A (en) * 1985-04-30 1986-10-07 Allegheny Ludlum Steel Corporation Method for refining molten metal bath to control nitrogen
DE10135597B4 (de) * 2001-07-20 2008-01-10 Wieland Electric Gmbh Klemmfeder
CN100439538C (zh) * 2007-02-15 2008-12-03 刘巍 低微碳锰铁合金的生产工艺

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE941487C (de) * 1941-12-13 1956-04-12 Hoerder Huettenunion Ag Herstellung eines stickstoff- und phosphorarmen Thomasstahls
US3252790A (en) * 1956-06-27 1966-05-24 Union Carbide Corp Preparation of metals and alloys
BE610265A (https=) * 1960-11-18
US3594155A (en) * 1968-10-30 1971-07-20 Allegheny Ludlum Steel Method for dynamically controlling decarburization of steel
US3832160A (en) * 1969-09-30 1974-08-27 Allegheny Ludlum Ind Inc Decarburizing molten steel
US3850617A (en) * 1970-04-14 1974-11-26 J Umowski Refining of stainless steel
US3741557A (en) * 1970-08-13 1973-06-26 Allegheny Ludlum Steel Apparatus for control of carbon content in steel produced in basic oxygen furnace process
BE789083A (fr) * 1971-10-06 1973-01-15 Uddeholms Ab Procede de reduction de la teneur de carbone dans des produits metallurgiques
US3798025A (en) * 1971-12-29 1974-03-19 Allegheny Ludlum Ind Inc Vacuum decarburization in rh and dh type degassing systems
US3754894A (en) * 1972-04-20 1973-08-28 Joslyn Mfg & Supply Co Nitrogen control in argon oxygen refining of molten metal
US3861888A (en) * 1973-06-28 1975-01-21 Union Carbide Corp Use of CO{HD 2 {B in argon-oxygen refining of molten metal
US3930843A (en) * 1974-08-30 1976-01-06 United States Steel Corporation Method for increasing metallic yield in bottom blown processes
FR2364975A1 (fr) * 1976-09-20 1978-04-14 Siderurgie Fse Inst Rech Procede d'elaboration, au convertisseur, d'acier inoxydable
US4139368A (en) * 1977-10-11 1979-02-13 Pennsylvania Engineering Corporation Metallurgical method

Also Published As

Publication number Publication date
NO803739L (no) 1981-06-15
JPS6325049B2 (https=) 1988-05-24
ES497629A0 (es) 1982-12-01
ZA807331B (en) 1982-02-24
KR830004436A (ko) 1983-07-13
EP0030818A2 (en) 1981-06-24
NO155938B (no) 1987-03-16
EP0030818B1 (en) 1985-08-07
EP0030818A3 (en) 1981-12-30
ES8301505A1 (es) 1982-12-01
NO155938C (no) 1987-06-24
ATE14750T1 (de) 1985-08-15
JPS5693835A (en) 1981-07-29
CA1152336A (en) 1983-08-23
US4260415A (en) 1981-04-07
DE3070959D1 (en) 1985-09-12

Similar Documents

Publication Publication Date Title
US3046107A (en) Decarburization process for highchromium steel
US3252790A (en) Preparation of metals and alloys
US3754894A (en) Nitrogen control in argon oxygen refining of molten metal
KR850000874B1 (ko) 용융금속의 탈탄(脫炭) 방법
US3003865A (en) Decarburizing process for alloy steels containing chromium
US4308057A (en) Steel making by converter
JPS62294150A (ja) 高品質軸受鋼およびその製造方法
US4056387A (en) Leaded steel bar free of lead macroinclusions
US3987224A (en) Oxygen control in continuous metal casting system
US4436553A (en) Process to produce low hydrogen steel
CA1237583A (en) System and method for producing steel in a top-blown vessel
US4830666A (en) Removal of nitrogen from iron
DE3263349D1 (en) Process for gas-stirring a metal bath
KR101249201B1 (ko) 래들처리방법
KR101786931B1 (ko) 스테인리스 용강 정련방법
KR980009473A (ko) 저탄소, 저질소 스테인레스강의 정련방법
AU608882B2 (en) Process for stirring steel in a ladle with the aid of carbon dioxide
JPS6466056A (en) Mold powder for continuous casting
SU1731827A1 (ru) Способ раскислени стали
RU2278169C2 (ru) Способ производства хромомарганцевой нержавеющей стали
SU379633A1 (ru) Способ производства низкоуглеродисто легированной стали
JPH02179812A (ja) ステンレス鋼の精錬方法
RU1768649C (ru) Способ производства стали
JPS5743925A (en) Production of extra-low-carbon extra-low-nitrogen high-chromium steel
US4163663A (en) Refining process based on top-blowing with oxygen

Legal Events

Date Code Title Description
PA0109 Patent application

St.27 status event code: A-0-1-A10-A12-nap-PA0109

R17-X000 Change to representative recorded

St.27 status event code: A-3-3-R10-R17-oth-X000

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

R17-X000 Change to representative recorded

St.27 status event code: A-3-3-R10-R17-oth-X000

PG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-PG1501

PE0902 Notice of grounds for rejection

St.27 status event code: A-1-2-D10-D21-exm-PE0902

T11-X000 Administrative time limit extension requested

St.27 status event code: U-3-3-T10-T11-oth-X000

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

PE0902 Notice of grounds for rejection

St.27 status event code: A-1-2-D10-D21-exm-PE0902

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

PG1605 Publication of application before grant of patent

St.27 status event code: A-2-2-Q10-Q13-nap-PG1605

PE0701 Decision of registration

St.27 status event code: A-1-2-D10-D22-exm-PE0701

PR0701 Registration of establishment

St.27 status event code: A-2-4-F10-F11-exm-PR0701

PR1002 Payment of registration fee

St.27 status event code: A-2-2-U10-U11-oth-PR1002

Fee payment year number: 1

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 4

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 5

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 6

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 7

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 8

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 9

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 10

PC1903 Unpaid annual fee

St.27 status event code: A-4-4-U10-U13-oth-PC1903

Not in force date: 19950623

Payment event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

PC1903 Unpaid annual fee

St.27 status event code: N-4-6-H10-H13-oth-PC1903

Ip right cessation event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

Not in force date: 19950623