RU2005140109A - FE-CR ALLOY PREPARATION AND METHOD FOR PRODUCING IT - Google Patents

FE-CR ALLOY PREPARATION AND METHOD FOR PRODUCING IT Download PDF

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Publication number
RU2005140109A
RU2005140109A RU2005140109/02A RU2005140109A RU2005140109A RU 2005140109 A RU2005140109 A RU 2005140109A RU 2005140109/02 A RU2005140109/02 A RU 2005140109/02A RU 2005140109 A RU2005140109 A RU 2005140109A RU 2005140109 A RU2005140109 A RU 2005140109A
Authority
RU
Russia
Prior art keywords
alloy
steel ingot
preform
scale
crimped
Prior art date
Application number
RU2005140109/02A
Other languages
Russian (ru)
Other versions
RU2313409C2 (en
Inventor
Ясуйоси ХИДАКА (JP)
Ясуйоси Хидака
Тосиро АНРАКУ (JP)
Тосиро АНРАКУ
Томио ЯМАКАВА (JP)
Томио Ямакава
Ясуфуми КИТАМУРА (JP)
Ясуфуми КИТАМУРА
Original Assignee
Сумитомо Метал Индастриз, Лтд. (Jp)
Сумитомо Метал Индастриз, Лтд.
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 Сумитомо Метал Индастриз, Лтд. (Jp), Сумитомо Метал Индастриз, Лтд. filed Critical Сумитомо Метал Индастриз, Лтд. (Jp)
Publication of RU2005140109A publication Critical patent/RU2005140109A/en
Application granted granted Critical
Publication of RU2313409C2 publication Critical patent/RU2313409C2/en

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Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B1/00Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/02Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling heavy work, e.g. ingots, slabs, blooms, or billets, in which the cross-sectional form is unimportant ; Rolling combined with forging or pressing
    • B21B1/026Rolling
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/02Ferrous alloys, e.g. steel alloys containing silicon
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/04Ferrous alloys, e.g. steel alloys containing manganese
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B1/00Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/02Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling heavy work, e.g. ingots, slabs, blooms, or billets, in which the cross-sectional form is unimportant ; Rolling combined with forging or pressing
    • B21B2001/022Blooms or billets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B3/00Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
    • B21B3/02Rolling special iron alloys, e.g. stainless steel
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B45/00Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B9/00Measures for carrying out rolling operations under special conditions, e.g. in vacuum or inert atmosphere to prevent oxidation of work; Special measures for removing fumes from rolling mills

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Metal Rolling (AREA)
  • Heat Treatment Of Steel (AREA)
  • Metal Extraction Processes (AREA)
  • Forging (AREA)

Claims (7)

1. Заготовка из сплава Fe-Cr, отличающаяся тем, что слой окалины покрывает 70% или больше площади поверхности с высокой степенью обжатия.1. A workpiece made of an Fe-Cr alloy, characterized in that the scale layer covers 70% or more of the surface area with a high degree of reduction. 2. Заготовка из сплава Fe-Cr, отличающаяся тем, что слой окалины покрывает 80% или больше площади поверхности с высокой степенью обжатия.2. An Fe-Cr alloy billet, characterized in that the scale layer covers 80% or more of the surface area with a high reduction ratio. 3. Заготовка из сплава Fe-Cr, отличающаяся тем, что слой окалины покрывает 90% или больше площади поверхности с высокой степенью обжатия.3. A blank of Fe-Cr alloy, characterized in that the scale layer covers 90% or more of the surface area with a high degree of reduction. 4. Способ производства заготовки из сплава Fe-Cr, при котором стальной слиток повергают обжатию для получения заготовки, отличающийся тем, что обжатие осуществляют без применения удаления окалины.4. A method of manufacturing a preform from an Fe-Cr alloy, wherein the steel ingot is crimped to obtain a preform, characterized in that the crimping is carried out without the use of descaling. 5. Способ производства заготовки из сплава Fe-Cr, при котором стальной слиток повергают обжатию для получения заготовки, отличающийся тем, что обжатие осуществляют без применения удаления окалины и после формирования на стальном слитке слоя окалины толщиной 1000 мкм или более.5. A method of manufacturing a preform from an Fe-Cr alloy, wherein the steel ingot is crimped to obtain a preform, characterized in that the crimping is carried out without the use of descaling and after a scale of 1000 μm or more has been formed on the steel ingot. 6. Способ производства заготовки из сплава Fe-Cr, при котором стальной слиток повергают обжатию для получения заготовки, отличающийся тем, что сначала производят обжатие поверхности с высокой степенью обжатия без применения удаления окалины после того, как на стальном слитке формируют слой окалины толщиной 1000 мкм или более.6. A method of manufacturing a workpiece from an Fe-Cr alloy, in which a steel ingot is crimped to obtain a workpiece, characterized in that the surface is first crimped with a high degree of compression without using descaling after a scale of 1000 μm is formed on the steel ingot or more. 7. Способ производства заготовки из сплава Fe-Cr по пп.5 и 6, отличающийся тем, что стальной слиток выдерживают в атмосфере, содержащей 2,5 об.% пара или больше при температуре нагрева 1200°С или больше в течение 2 ч или больше для образования окалины.7. A method of manufacturing a preform from an Fe-Cr alloy according to claims 5 and 6, characterized in that the steel ingot is held in an atmosphere containing 2.5 vol.% Steam or more at a heating temperature of 1200 ° C or more for 2 hours or more for scale formation.
RU2005140109/02A 2003-05-22 2004-05-20 Iron-chrome blank and method for producing it RU2313409C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003144557 2003-05-22
JP2003-144557 2003-05-22

Publications (2)

Publication Number Publication Date
RU2005140109A true RU2005140109A (en) 2007-07-10
RU2313409C2 RU2313409C2 (en) 2007-12-27

Family

ID=33475208

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2005140109/02A RU2313409C2 (en) 2003-05-22 2004-05-20 Iron-chrome blank and method for producing it

Country Status (9)

Country Link
EP (1) EP1637241B1 (en)
JP (1) JP4265603B2 (en)
CN (1) CN100417460C (en)
BR (1) BRPI0410554B1 (en)
CA (1) CA2525147C (en)
MX (1) MXPA05012509A (en)
RU (1) RU2313409C2 (en)
WO (1) WO2004103589A1 (en)
ZA (1) ZA200510009B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5320084B2 (en) * 2008-04-16 2013-10-23 株式会社神戸製鋼所 Manufacturing method of high Cr content steel with good descalability
CN101856669B (en) * 2010-06-02 2012-01-04 东北大学 Control method of softness of oxide scales on surface of hot-rolling strip steel
JP5423641B2 (en) * 2010-10-13 2014-02-19 新日鐵住金株式会社 Split rolling method for high purity ferritic stainless steel
JP6314785B2 (en) * 2014-10-14 2018-04-25 新日鐵住金株式会社 Split rolling method

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2720693B2 (en) * 1992-02-19 1998-03-04 住友金属工業株式会社 Blast rolling of austenitic stainless steel continuous cast slab.
JPH06100931A (en) * 1992-09-17 1994-04-12 Kawasaki Steel Corp Production of round billet for producing martenstic stainless seamless pipe
JPH06306455A (en) * 1993-04-26 1994-11-01 Nippon Steel Corp Manufacture of ferritic stainless steel having little surface flaw
JP2738281B2 (en) * 1993-12-22 1998-04-08 日本鋼管株式会社 Hot rolling method of stainless steel slab
JPH07204703A (en) * 1994-01-21 1995-08-08 Sumitomo Metal Ind Ltd Manufacture of hot rolled stainless steel sheet
JPH08174034A (en) * 1994-12-21 1996-07-09 Nippon Steel Corp Manufacture of cr stainless steel sheet
JPH10277912A (en) 1997-04-04 1998-10-20 Nippon Steel Corp Surface flaw treatment method for steel piece
JP3552579B2 (en) * 1998-03-31 2004-08-11 Jfeスチール株式会社 Hot rolling method of stainless steel slab and chemicals for applying stainless steel slab before hot rolling

Also Published As

Publication number Publication date
CA2525147C (en) 2009-08-18
ZA200510009B (en) 2006-12-27
CA2525147A1 (en) 2004-12-02
EP1637241A1 (en) 2006-03-22
JPWO2004103589A1 (en) 2006-07-20
CN1791477A (en) 2006-06-21
BRPI0410554B1 (en) 2014-04-08
EP1637241A4 (en) 2007-03-28
WO2004103589A1 (en) 2004-12-02
JP4265603B2 (en) 2009-05-20
BRPI0410554A (en) 2006-06-20
EP1637241B1 (en) 2012-09-12
RU2313409C2 (en) 2007-12-27
MXPA05012509A (en) 2006-02-08
CN100417460C (en) 2008-09-10

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Effective date: 20140623

PD4A Correction of name of patent owner