MX2009013264A - Novel additive comprising lead and/or a lead alloy intended to treat baths of liquid steel. - Google Patents

Novel additive comprising lead and/or a lead alloy intended to treat baths of liquid steel.

Info

Publication number
MX2009013264A
MX2009013264A MX2009013264A MX2009013264A MX2009013264A MX 2009013264 A MX2009013264 A MX 2009013264A MX 2009013264 A MX2009013264 A MX 2009013264A MX 2009013264 A MX2009013264 A MX 2009013264A MX 2009013264 A MX2009013264 A MX 2009013264A
Authority
MX
Mexico
Prior art keywords
lead
mum
liquid steel
baths
sieve
Prior art date
Application number
MX2009013264A
Other languages
Spanish (es)
Inventor
Andre Poulalion
Sebastien Gerardin
Original Assignee
Affival
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 Affival filed Critical Affival
Publication of MX2009013264A publication Critical patent/MX2009013264A/en

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

Abstract

The present invention relates to an additive in the form of flux-cored wire intended for treating baths of liquid steel with a view to obtaining steels having a high lead content. The additive comprising metallic lead and/or one or more lead alloys according to the invention is intended to treat baths of liquid steel, and is in the form of flex-cored wire composed of a metal sheath and a finely divided filling material, the latter being composed of a powder of metallic lead and/or of lead alloy and of a powder containing a material capable of releasing a gas, which is inert with respect to the liquid steel, at the temperature of the liquid steel bath. Characteristically, said powder of metallic lead and/or of lead alloy consists of a particle size fraction GR between 200 mum and 500 mum and in that said particle size fraction GR has the following characteristics: - through a 200 mum sieve: GR < 5%; - through a 300 mum sieve: 90% ≈ GR ≈ 10%; - through a 400 mum sieve: 40% GR < 100%; - through a 500 mum sieve: 100% ≈ GR ≈ 90%.
MX2009013264A 2007-06-05 2008-06-04 Novel additive comprising lead and/or a lead alloy intended to treat baths of liquid steel. MX2009013264A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0755486A FR2917096B1 (en) 2007-06-05 2007-06-05 NOVEL ADDITIVE COMPRISING LEAD AND / OR LEAD ALLOY FOR TREATING LIQUID STEEL BATHS.
PCT/FR2008/050989 WO2008152328A1 (en) 2007-06-05 2008-06-04 Novel additive comprising lead and/or a lead alloy for treating baths of liquid steel

Publications (1)

Publication Number Publication Date
MX2009013264A true MX2009013264A (en) 2010-02-18

Family

ID=38657783

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2009013264A MX2009013264A (en) 2007-06-05 2008-06-04 Novel additive comprising lead and/or a lead alloy intended to treat baths of liquid steel.

Country Status (7)

Country Link
US (1) US20100172787A1 (en)
EP (1) EP2152918B1 (en)
JP (1) JP5466153B2 (en)
ES (1) ES2392736T3 (en)
FR (1) FR2917096B1 (en)
MX (1) MX2009013264A (en)
WO (1) WO2008152328A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102329916A (en) * 2011-05-03 2012-01-25 首钢贵阳特殊钢有限责任公司 Method for feeding lead compound core spun yarn
CN106756635A (en) * 2016-12-30 2017-05-31 山西太钢不锈钢股份有限公司 A kind of preparation method containing tellurium steel and its steel containing tellurium

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB520072A (en) * 1938-04-30 1940-04-12 Inland Steel Co A method of adding lead to steel
US2151255A (en) * 1939-01-03 1939-03-21 Lufkin Rule Co Spring nut
US2259342A (en) * 1940-04-17 1941-10-14 Inland Steel Co Method of adding lead to steel
FR1537717A (en) * 1967-05-05 1968-08-30 Transformation Des Plastiques Bodyguard
US4056387A (en) * 1974-08-14 1977-11-01 Inland Steel Company Leaded steel bar free of lead macroinclusions
US4122771A (en) * 1977-04-13 1978-10-31 General Dynamics Squeegee holder
JPS5992151A (en) * 1982-11-18 1984-05-28 Sumitomo Metal Ind Ltd Production of free-cutting lead steel by continuous casting method
JPS59157215A (en) * 1983-02-26 1984-09-06 Nippon Steel Corp Manufacture of molten steel containing lead by utilizing calcium carbonate
JPS613822A (en) * 1984-06-19 1986-01-09 Nippon Kokan Kk <Nkk> Method for adding alloy element of which vapor pressure is increased by temperature of molten steel to molten steel
DE3739154A1 (en) * 1987-11-19 1989-06-01 Sueddeutsche Kalkstickstoff LEADING ADDITIVE FOR STEEL MELTING
JP2572807B2 (en) * 1988-04-25 1997-01-16 新日本製鐵株式会社 Manufacturing method of lead free-cutting steel by continuous casting method
JPH03134111A (en) * 1989-10-19 1991-06-07 Nippon Steel Corp Filling wire for treating molten metal treatable at a constant depth
JPH04308021A (en) * 1991-04-04 1992-10-30 Kobe Steel Ltd Production of lead-containing steel
JPH06198490A (en) * 1993-01-08 1994-07-19 Nippon Steel Weld Prod & Eng Co Ltd Production of additive cored wire
US5458060A (en) * 1993-05-03 1995-10-17 Sony Electronics Inc. Screen printing squeegee system
US5695842A (en) * 1996-04-23 1997-12-09 Pawling Corporation Entrance grating
JP2000328132A (en) * 1999-05-19 2000-11-28 Namariichi Kagaku Kogyo Kk Additive for adding lead into molten steel
JP4228901B2 (en) * 2003-12-08 2009-02-25 住友金属工業株式会社 Method for continuous casting of molten metal
JP4179180B2 (en) * 2004-02-04 2008-11-12 住友金属工業株式会社 Method and apparatus for continuous casting of molten metal
FR2871477B1 (en) * 2004-06-10 2006-09-29 Affival Sa Sa WIRE FOURRE
JP4770616B2 (en) * 2006-07-13 2011-09-14 住友金属工業株式会社 Method for continuous casting of molten metal and immersion lance for continuous casting
JP4844376B2 (en) * 2006-12-11 2011-12-28 住友金属工業株式会社 Method for continuous casting of molten metal

Also Published As

Publication number Publication date
JP5466153B2 (en) 2014-04-09
FR2917096B1 (en) 2011-03-11
EP2152918A1 (en) 2010-02-17
FR2917096A1 (en) 2008-12-12
WO2008152328A1 (en) 2008-12-18
JP2010529297A (en) 2010-08-26
US20100172787A1 (en) 2010-07-08
ES2392736T3 (en) 2012-12-13
EP2152918B1 (en) 2012-08-15

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