KR950031314A - 포정강 연속 주조방법 - Google Patents
포정강 연속 주조방법 Download PDFInfo
- Publication number
- KR950031314A KR950031314A KR1019950011861A KR19950011861A KR950031314A KR 950031314 A KR950031314 A KR 950031314A KR 1019950011861 A KR1019950011861 A KR 1019950011861A KR 19950011861 A KR19950011861 A KR 19950011861A KR 950031314 A KR950031314 A KR 950031314A
- Authority
- KR
- South Korea
- Prior art keywords
- casting
- casting method
- steel
- mold
- continuous
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 title claims abstract 9
- 239000010959 steel Substances 0.000 title claims abstract 9
- 238000005266 casting Methods 0.000 title claims 15
- 238000001816 cooling Methods 0.000 claims abstract 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract 2
- 229910052799 carbon Inorganic materials 0.000 claims abstract 2
- 238000009749 continuous casting Methods 0.000 claims abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000013078 crystal Substances 0.000 claims description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims 2
- 230000001050 lubricating effect Effects 0.000 claims 2
- 239000000843 powder Substances 0.000 claims 2
- 239000011241 protective layer Substances 0.000 claims 2
- 229910000975 Carbon steel Inorganic materials 0.000 claims 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims 1
- 239000002826 coolant Substances 0.000 claims 1
- 229910052802 copper Inorganic materials 0.000 claims 1
- 239000010949 copper Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 229910052759 nickel Inorganic materials 0.000 claims 1
- 238000007711 solidification Methods 0.000 claims 1
- 230000008023 solidification Effects 0.000 claims 1
- 239000010936 titanium Substances 0.000 claims 1
- 229910052719 titanium Inorganic materials 0.000 claims 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- QMQXDJATSGGYDR-UHFFFAOYSA-N methylidyneiron Chemical compound [C].[Fe] QMQXDJATSGGYDR-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/16—Controlling or regulating processes or operations
- B22D11/168—Controlling or regulating processes or operations for adjusting the mould size or mould taper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/07—Lubricating the moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
- B22D11/0408—Moulds for casting thin slabs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/10—Supplying or treating molten metal
- B22D11/108—Feeding additives, powders, or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/16—Controlling or regulating processes or operations
- B22D11/166—Controlling or regulating processes or operations for mould oscillation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/16—Controlling or regulating processes or operations
- B22D11/22—Controlling or regulating processes or operations for cooling cast stock or mould
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
박판 슬랩 제조를 위한 포정강 연속 주조방법에서 포정강의 탄소함량은 0.01% 내지 0.15% 또한 0.09 내지 0.16%이고 1차 시그먼트속의 모울드 테이퍼는 1미터당 2.0 내지 6%이고 진동수는 상하범위가 ±2.5㎜ 내지 4㎜로 전체 범위는 5㎜ 내지 8㎜인 것과 함께 1분당 300 내지 500진동이고 1차 및 2차 냉각은 제한된다.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 상기 응고법을 유도하는 철-탄소 다이어그램의 상부 좌측단을 보여준다. 제2도는 정상 물공급 노즐에서 나온 유동 분포곡선 "1"과 비교한 공기-물 분무기 사용시의 유동 분포곡선 "1"을 보여준다. 제3도는 결정 형성기의 구성을 보여준다. 제4도는 모울드의 테이퍼에 관한 것이다.
Claims (14)
- 탄소함량이 0.10% 내지 0.15% 특히 0.09% 내지 0.16%인 포정강을 연속 주조하는 것이며 제1시그먼트의 모울드 테이퍼는 1미터당 2.0% 내지 6.0%이고 모울드 진동수는 상하 범위가 ±2.5㎜ 내지 4㎜로 총범위가 5㎜ 내지 8㎜인 1분당 300 내지 500진동을 갖고 1차 및 2차 냉각을 제한되는 것을 특징으로 하는 박판 슬랩제조를 위한 포정강 연속 주조방법.
- 제1항에 있어서, 모울드 테이퍼는 변화하고 2중형(제4b도) 또는 2중형(제4c도)인 것을 특징으로 하는 주조방법.
- 제1항에 있어서, 모울드 테이퍼는 미분 테이퍼를 가진 연속 시그먼트 내삽법으로 얻은 연속 곡선으로 정해지는 것을 특징으로 하는 주조방법.
- 전술한 항중 한 항에 있어서, 네가티브 스트립 시간을 주조속도 변화시 0.04 내지 0.07초 특히 0.05 내지 0.06초로 유지하는 방식에 따라 주조속도에 진동수가 관련하고 네가티브 스트립 시간을 모울드가 주조슬랩 속도보다 더큰 속도에 따르는 진동 기간동안의 시간인 것을 특징으로 하는 주조방법.
- 전술한 항중 한 항에 있어서, 윤활분말은 1.1보다 큰 고염기성을 갖는 것을 특징으로 하는 주조방법.
- 전술한 항중 한 항에 있어서, 1차 냉각상의 냉각수는 비-포정강에 대한 속도보다 15% 내지 30% 작은 것을 특징으로 하는 주조방법.
- 전술한 항중 한 항에 있어서, 결정형성기 내면이 열교환 감소목적의 보호층(18)을 갖는 것을 특징으로 하는 주조방법.
- 전술한 항중 한 항에 있어서, 보호층(8)은 니켈을 함유하며 0.8㎜ 내지 4㎜ 두께로 된 것을 특징으로 하는 주조방법.
- 전술한 항중 한 항에 있어서, 주조온도차는 8 내지 30℃이고 온도차는 주조직전과 진행시 측정한 용강의 온도와 응고 시작시강의 온도 사이의 차로 정의하는 것을 특징으로 하는 주조방법.
- 전술한 항중 한 항에 있어서, 0.018% 내지 0.027%사이의 티타늄을 용융금속에 첨가하는 것을 특징으로 하는 주조방법.
- 전술한 항중 한 항에 있어서, 구리함량을 0.25% 미만으로 유지하는 것을 특징으로 하는 주조방법.
- 전술한 항중 한 항에 있어서, 주석함량을 0.020% 미만으로 유지하는 것을 특징으로 하는 주조방법.
- 전술한 항중 한항에 있어서, 2차 냉각상의 냉각작용을 혼합공기/물 노즐에서 실행하고 물의 비율을 적절히 조절하는 것을 특징으로 하는 주조방법.
- 전술한 항중 한 항에 있어서, 윤활 분말 소모량은 강 1톤당 0.20 내지 0.85%인 것을 특징으로 하는 주조방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITUD94A000090 | 1994-05-30 | ||
IT94UD000090A IT1267243B1 (it) | 1994-05-30 | 1994-05-30 | Procedimento di colata continua per acciai peritettici |
Publications (1)
Publication Number | Publication Date |
---|---|
KR950031314A true KR950031314A (ko) | 1995-12-18 |
Family
ID=11421587
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019950011861A KR950031314A (ko) | 1994-05-30 | 1995-05-15 | 포정강 연속 주조방법 |
Country Status (13)
Country | Link |
---|---|
US (1) | US5592988A (ko) |
EP (1) | EP0685279B1 (ko) |
JP (1) | JPH08150439A (ko) |
KR (1) | KR950031314A (ko) |
CN (1) | CN1051485C (ko) |
AT (1) | ATE189981T1 (ko) |
BR (1) | BR9502156A (ko) |
CA (1) | CA2149190A1 (ko) |
DE (1) | DE69515210T2 (ko) |
ES (1) | ES2145174T3 (ko) |
IT (1) | IT1267243B1 (ko) |
RU (1) | RU2142861C1 (ko) |
TW (1) | TW302311B (ko) |
Families Citing this family (41)
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GB9719318D0 (en) * | 1997-09-12 | 1997-11-12 | Kvaerner Clecim Cont Casting | Improvements in and relating to casting |
DE19742795A1 (de) * | 1997-09-27 | 1999-04-01 | Schloemann Siemag Ag | Trichtergeometrie einer Kokille zum Stranggießen von Metall |
DE19831998A1 (de) * | 1998-07-16 | 2000-01-20 | Schloemann Siemag Ag | Stranggießkokille |
DE10290453D2 (de) * | 2001-02-09 | 2004-01-15 | Evertz Egon Kg Gmbh & Co | Stranggießkokille |
US6669789B1 (en) | 2001-08-31 | 2003-12-30 | Nucor Corporation | Method for producing titanium-bearing microalloyed high-strength low-alloy steel |
DE10218957B4 (de) * | 2002-04-27 | 2004-09-30 | Sms Demag Ag | Stranggießkokille für flüssige Metalle, insbesondere für flüssigen Stahl |
EP1627931B1 (en) * | 2003-04-25 | 2017-05-31 | Tubos De Acero De Mexico, S.A. | Seamless steel tube which is intended to be used as a guide pipe and production method thereof |
JP4749997B2 (ja) * | 2005-11-30 | 2011-08-17 | 株式会社神戸製鋼所 | 連続鋳造方法 |
JP2009541589A (ja) * | 2006-06-29 | 2009-11-26 | テナリス・コネクシヨンズ・アクチエンゲゼルシヤフト | 低温における等方じん性が向上した油圧シリンダー用継ぎ目なし精密鋼管およびこれを得る方法 |
DE102007002806A1 (de) * | 2007-01-18 | 2008-07-24 | Sms Demag Ag | Kokille mit Beschichtung |
MX2007004600A (es) * | 2007-04-17 | 2008-12-01 | Tubos De Acero De Mexico S A | Un tubo sin costura para la aplicación como secciones verticales de work-over. |
CN100467164C (zh) * | 2007-05-15 | 2009-03-11 | 武汉钢铁(集团)公司 | 一种防止连铸包晶钢结晶器液面波动的方法 |
US7862667B2 (en) | 2007-07-06 | 2011-01-04 | Tenaris Connections Limited | Steels for sour service environments |
US8017059B2 (en) | 2007-09-13 | 2011-09-13 | The Boeing Company | Composite fabrication apparatus and method |
US8343402B1 (en) * | 2007-09-13 | 2013-01-01 | The Boeing Company | Consolidation of composite material |
US8865050B2 (en) | 2010-03-16 | 2014-10-21 | The Boeing Company | Method for curing a composite part layup |
US8372327B2 (en) | 2007-09-13 | 2013-02-12 | The Boeing Company | Method for resin transfer molding composite parts |
WO2009065432A1 (en) * | 2007-11-19 | 2009-05-28 | Tenaris Connections Ag | High strength bainitic steel for octg applications |
CN101586205B (zh) * | 2008-05-22 | 2012-06-13 | 鞍钢股份有限公司 | 用中等厚度板坯连铸机生产低合金包晶钢的方法 |
MX2009012811A (es) * | 2008-11-25 | 2010-05-26 | Maverick Tube Llc | Procesamiento de desbastes delgados o flejes compactos de aceros al boro/titanio. |
EP2325435B2 (en) | 2009-11-24 | 2020-09-30 | Tenaris Connections B.V. | Threaded joint sealed to [ultra high] internal and external pressures |
US9163296B2 (en) | 2011-01-25 | 2015-10-20 | Tenaris Coiled Tubes, Llc | Coiled tube with varying mechanical properties for superior performance and methods to produce the same by a continuous heat treatment |
IT1403689B1 (it) | 2011-02-07 | 2013-10-31 | Dalmine Spa | Tubi in acciaio ad alta resistenza con eccellente durezza a bassa temperatura e resistenza alla corrosione sotto tensioni da solfuri. |
IT1403688B1 (it) | 2011-02-07 | 2013-10-31 | Dalmine Spa | Tubi in acciaio con pareti spesse con eccellente durezza a bassa temperatura e resistenza alla corrosione sotto tensione da solfuri. |
US8414715B2 (en) | 2011-02-18 | 2013-04-09 | Siderca S.A.I.C. | Method of making ultra high strength steel having good toughness |
US8636856B2 (en) | 2011-02-18 | 2014-01-28 | Siderca S.A.I.C. | High strength steel having good toughness |
US9340847B2 (en) | 2012-04-10 | 2016-05-17 | Tenaris Connections Limited | Methods of manufacturing steel tubes for drilling rods with improved mechanical properties, and rods made by the same |
GB2525337B (en) | 2013-01-11 | 2016-06-22 | Tenaris Connections Ltd | Galling resistant drill pipe tool joint and corresponding drill pipe |
US9187811B2 (en) | 2013-03-11 | 2015-11-17 | Tenaris Connections Limited | Low-carbon chromium steel having reduced vanadium and high corrosion resistance, and methods of manufacturing |
US9803256B2 (en) | 2013-03-14 | 2017-10-31 | Tenaris Coiled Tubes, Llc | High performance material for coiled tubing applications and the method of producing the same |
EP2789701A1 (en) | 2013-04-08 | 2014-10-15 | DALMINE S.p.A. | High strength medium wall quenched and tempered seamless steel pipes and related method for manufacturing said steel pipes |
EP2789700A1 (en) | 2013-04-08 | 2014-10-15 | DALMINE S.p.A. | Heavy wall quenched and tempered seamless steel pipes and related method for manufacturing said steel pipes |
KR102197204B1 (ko) | 2013-06-25 | 2021-01-04 | 테나리스 커넥션즈 비.브이. | 고크롬 내열철강 |
US11124852B2 (en) | 2016-08-12 | 2021-09-21 | Tenaris Coiled Tubes, Llc | Method and system for manufacturing coiled tubing |
US10434554B2 (en) | 2017-01-17 | 2019-10-08 | Forum Us, Inc. | Method of manufacturing a coiled tubing string |
JP6743872B2 (ja) * | 2017-12-06 | 2020-08-19 | Jfeスチール株式会社 | 連続鋳造時の鋳片幅の拡大方法 |
CN110000348B (zh) * | 2019-04-03 | 2020-10-02 | 中冶南方连铸技术工程有限责任公司 | 双曲线漏斗形结晶器宽面铜板及其制备方法 |
CN110695325B (zh) * | 2019-10-22 | 2021-07-23 | 首钢集团有限公司 | 一种亚包晶钢板坯的连铸方法 |
CN110744021B (zh) * | 2019-11-18 | 2021-07-23 | 首钢集团有限公司 | 一种非均匀冷却板坯结晶器 |
CN111774546B (zh) * | 2020-06-17 | 2021-03-30 | 北京科技大学 | 一种改善包晶钢连铸中厚板坯中心偏析与表面裂纹的方法 |
US11192176B1 (en) | 2020-06-17 | 2021-12-07 | University Of Science And Technology Beijing | Method for improving center segregation and surface crack of continuous casting medium thick slab of peritectic steel |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4125737A (en) * | 1974-11-25 | 1978-11-14 | Asea Aktiebolag | Electric arc furnace hearth connection |
DE3339514A1 (de) * | 1983-10-28 | 1985-05-09 | Mannesmann AG, 4000 Düsseldorf | Elektrodenanordnung in warmgaengigen gefaessen |
DE3427756A1 (de) * | 1984-07-24 | 1985-03-28 | Mannesmann AG, 4000 Düsseldorf | Stranggiesskokille fuer die herstellung von straengen aus stahl |
FR2571202B1 (fr) * | 1984-10-01 | 1987-01-09 | Usinor | Structure d'electrode pour bain de metal en fusion |
DE3543278C1 (de) * | 1985-12-05 | 1987-07-02 | Mannesmann Ag | Ofengefaess eines Gleichstrom-Lichtbogenofens mit Bodenelektroden sowie zugehoerige Bodenelektrode |
JPH02270907A (ja) * | 1989-04-10 | 1990-11-06 | Kobe Steel Ltd | 連続鋳造における前処理方法 |
ATE105750T1 (de) * | 1991-02-06 | 1994-06-15 | Concast Standard Ag | Kokille zum stranggiessen von metallen, insbesondere von stahl. |
-
1994
- 1994-05-30 IT IT94UD000090A patent/IT1267243B1/it active IP Right Grant
-
1995
- 1995-04-26 TW TW084104115A patent/TW302311B/zh active
- 1995-04-27 AT AT95106314T patent/ATE189981T1/de not_active IP Right Cessation
- 1995-04-27 ES ES95106314T patent/ES2145174T3/es not_active Expired - Lifetime
- 1995-04-27 DE DE69515210T patent/DE69515210T2/de not_active Expired - Fee Related
- 1995-04-27 EP EP95106314A patent/EP0685279B1/en not_active Revoked
- 1995-05-11 CA CA002149190A patent/CA2149190A1/en not_active Abandoned
- 1995-05-15 KR KR1019950011861A patent/KR950031314A/ko not_active Application Discontinuation
- 1995-05-26 JP JP7127691A patent/JPH08150439A/ja active Pending
- 1995-05-29 RU RU95108312A patent/RU2142861C1/ru active
- 1995-05-29 CN CN95105577A patent/CN1051485C/zh not_active Expired - Fee Related
- 1995-05-29 BR BR9502156A patent/BR9502156A/pt not_active IP Right Cessation
- 1995-05-30 US US08/453,767 patent/US5592988A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH08150439A (ja) | 1996-06-11 |
CN1051485C (zh) | 2000-04-19 |
EP0685279A1 (en) | 1995-12-06 |
CA2149190A1 (en) | 1995-12-01 |
ITUD940090A1 (it) | 1995-11-30 |
TW302311B (ko) | 1997-04-11 |
CN1117412A (zh) | 1996-02-28 |
DE69515210T2 (de) | 2000-07-13 |
US5592988A (en) | 1997-01-14 |
ITUD940090A0 (it) | 1994-05-30 |
ES2145174T3 (es) | 2000-07-01 |
IT1267243B1 (it) | 1997-01-28 |
RU2142861C1 (ru) | 1999-12-20 |
BR9502156A (pt) | 1996-01-02 |
RU95108312A (ru) | 1997-01-27 |
DE69515210D1 (de) | 2000-04-06 |
EP0685279B1 (en) | 2000-03-01 |
ATE189981T1 (de) | 2000-03-15 |
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