DE3880972D1 - Bleihaltiges zusatzmittel fuer stahlschmelzen. - Google Patents

Bleihaltiges zusatzmittel fuer stahlschmelzen.

Info

Publication number
DE3880972D1
DE3880972D1 DE8888119149T DE3880972T DE3880972D1 DE 3880972 D1 DE3880972 D1 DE 3880972D1 DE 8888119149 T DE8888119149 T DE 8888119149T DE 3880972 T DE3880972 T DE 3880972T DE 3880972 D1 DE3880972 D1 DE 3880972D1
Authority
DE
Germany
Prior art keywords
pref
steel melting
steel
additive
leading
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 - Lifetime
Application number
DE8888119149T
Other languages
English (en)
Inventor
Bernd Dr Neuer
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.)
Skw Stahl-Metallurgie 84579 Unterneukirc De GmbH
Original Assignee
SKW Trostberg 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6340760&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3880972(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by SKW Trostberg AG filed Critical SKW Trostberg AG
Priority to DE8888119149T priority Critical patent/DE3880972D1/de
Application granted granted Critical
Publication of DE3880972D1 publication Critical patent/DE3880972D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C21C7/0056—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 using cored wires
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • 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)
  • Mechanical Engineering (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
DE8888119149T 1987-11-19 1988-11-17 Bleihaltiges zusatzmittel fuer stahlschmelzen. Expired - Lifetime DE3880972D1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE8888119149T DE3880972D1 (de) 1987-11-19 1988-11-17 Bleihaltiges zusatzmittel fuer stahlschmelzen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19873739154 DE3739154A1 (de) 1987-11-19 1987-11-19 Bleihaltiges zusatzmittel fuer stahlschmelzen
DE8888119149T DE3880972D1 (de) 1987-11-19 1988-11-17 Bleihaltiges zusatzmittel fuer stahlschmelzen.

Publications (1)

Publication Number Publication Date
DE3880972D1 true DE3880972D1 (de) 1993-06-17

Family

ID=6340760

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19873739154 Withdrawn DE3739154A1 (de) 1987-11-19 1987-11-19 Bleihaltiges zusatzmittel fuer stahlschmelzen
DE8888119149T Expired - Lifetime DE3880972D1 (de) 1987-11-19 1988-11-17 Bleihaltiges zusatzmittel fuer stahlschmelzen.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19873739154 Withdrawn DE3739154A1 (de) 1987-11-19 1987-11-19 Bleihaltiges zusatzmittel fuer stahlschmelzen

Country Status (6)

Country Link
US (1) US4892580A (de)
EP (1) EP0316921B1 (de)
JP (1) JP2760817B2 (de)
AT (1) ATE89325T1 (de)
BR (1) BR8806056A (de)
DE (2) DE3739154A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10236354B4 (de) * 2002-08-08 2005-06-09 Goldschmidt Ag Verfahren zur Behandlung von Stahlschmelzen
US7682418B2 (en) * 2004-02-11 2010-03-23 Tata Steel Limited Cored wire injection process in steel melts
US20060205974A1 (en) * 2005-03-08 2006-09-14 Lavoie Gino G Processes for producing aromatic dicarboxylic acids
KR20100029078A (ko) * 2007-05-17 2010-03-15 아피발, 인크. 탈산소제가 도핑된 심선을 이용한 용강조에서의 개선된 합금 회수
US20080314201A1 (en) * 2007-05-17 2008-12-25 Marzec Gregory P Enhanced Alloy Recovery In Molten Steel Baths Utilizing Cored Wires Doped With Dispersants
FR2917096B1 (fr) * 2007-06-05 2011-03-11 Affival Nouvel additif comprenant du plomb et/ou un alliage de plomb destine a traiter les bains d'acier liquide.
JP5326243B2 (ja) * 2007-09-05 2013-10-30 新日鐵住金株式会社 溶鋼への鉛の添加方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2259342A (en) * 1940-04-17 1941-10-14 Inland Steel Co Method of adding lead to steel
DE829802C (de) * 1950-05-31 1952-01-28 Dr Aloys Wuestefeld Verfahren zur Entschwefelung und Desoxydation von Eisen- und Metallschmelzen sowie zur Erzeugung von sphaerolithischem Gusseisen
US3313620A (en) * 1963-02-18 1967-04-11 E I Te R S P A Elettochimica I Steel with lead and rare earth metals
JPS4824607B1 (de) * 1969-10-04 1973-07-23
FR2085306A1 (en) * 1970-04-08 1971-12-24 Loire Atel Forges Auxiliary appts for ingot moulds - enabling introduction of solid additives
AT317274B (de) * 1970-12-28 1974-08-26 Steirische Gussstahlwerke Verfahren zur Herstellung bleihaltiger Stähle
FR2476542B1 (de) * 1980-02-26 1983-03-11 Vallourec
US4389249A (en) * 1982-04-22 1983-06-21 Inland Steel Company Method for adding ingredient to steel as shot
JPS5992151A (ja) * 1982-11-18 1984-05-28 Sumitomo Metal Ind Ltd 連続鋳造法による鉛快削鋼の製造方法
JPS59157215A (ja) * 1983-02-26 1984-09-06 Nippon Steel Corp 炭酸カルシウムを活用する鉛含有溶鋼の溶製方法
FR2594850A1 (fr) * 1986-02-24 1987-08-28 Vallourec Produit composite a enveloppe tubulaire, contenant une matiere compactee, pour le traitement des metaux liquides, et procede de realisation de ce produit

Also Published As

Publication number Publication date
JPH01162716A (ja) 1989-06-27
US4892580A (en) 1990-01-09
BR8806056A (pt) 1989-08-08
JP2760817B2 (ja) 1998-06-04
EP0316921A1 (de) 1989-05-24
EP0316921B1 (de) 1993-05-12
DE3739154A1 (de) 1989-06-01
ATE89325T1 (de) 1993-05-15

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Legal Events

Date Code Title Description
8310 Action for declaration of annulment
8327 Change in the person/name/address of the patent owner

Owner name: SKW STAHL-TECHNIK GMBH, 83308 TROSTBERG, DE

8327 Change in the person/name/address of the patent owner

Owner name: SKW STAHL-TECHNIK GMBH & CO. KG, 83308 TROSTBERG,

8313 Request for invalidation rejected/withdrawn
8327 Change in the person/name/address of the patent owner

Owner name: SKW STAHL-METALLURGIE GMBH, 84579 UNTERNEUKIRC, DE