KR100907115B1 - 고영율 강판, 이를 이용한 용융 아연 도금 강판, 합금화용융 아연 도금 강판 및 고영율 강관 및 이들의 제조 방법 - Google Patents
고영율 강판, 이를 이용한 용융 아연 도금 강판, 합금화용융 아연 도금 강판 및 고영율 강관 및 이들의 제조 방법 Download PDFInfo
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- KR100907115B1 KR100907115B1 KR1020077001720A KR20077001720A KR100907115B1 KR 100907115 B1 KR100907115 B1 KR 100907115B1 KR 1020077001720 A KR1020077001720 A KR 1020077001720A KR 20077001720 A KR20077001720 A KR 20077001720A KR 100907115 B1 KR100907115 B1 KR 100907115B1
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- 229910052727 yttrium Inorganic materials 0.000 description 1
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- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
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- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
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- C—CHEMISTRY; METALLURGY
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- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
- C21D8/0421—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the working steps
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- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
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- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
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- C23C2/0224—Two or more thermal pretreatments
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- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
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- C23C2/024—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by cleaning or etching
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- C—CHEMISTRY; METALLURGY
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- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
- C23C2/06—Zinc or cadmium or alloys based thereon
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- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
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- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
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- Y10T428/00—Stock material or miscellaneous articles
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- Y10T428/12771—Transition metal-base component
- Y10T428/12785—Group IIB metal-base component
- Y10T428/12792—Zn-base component
- Y10T428/12799—Next to Fe-base component [e.g., galvanized]
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Abstract
Description
Claims (46)
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- 질량 %로, C : 0.0005 내지 0.30 %, Si : 2.5 % 이하, Mn : 3.01 내지 5.0 %, P : 0.15 % 이하, S : 0.015 % 이하, Mo : 0.15 내지 1.5 %, B : 0.0006 내지 0.01 %, Al : 0.15 % 이하를 함유하고, 잔량부가 Fe 및 불가피적 불순물로 이루어지고,판 두께의 1/8층에 있어서의 {110}<223>과 {110}<111> 중 어느 한쪽 또는 양쪽의 극밀도가 10 이상 33 이하이고,압연 방향의 영율이 230 ㎬ 초과 255 ㎬ 이하인 것을 특징으로 하는 고영율 강판을 갖고, 상기 고영율 강판이 임의의 방향으로 권취되어 있는 것을 특징으로 하는 고영율 강관.
- 질량 %로, C : 0.0005 내지 0.30 %, Si : 2.5 % 이하, Mn : 3.01 내지 5.0 %, P : 0.15 % 이하, S : 0.015 % 이하, Mo : 0.15 내지 1.5 %, B : 0.0006 내지 0.01 %, Al : 0.15 % 이하를 함유하고, 잔량부가 Fe 및 불가피적 불순물로 이루어지고,판 두께의 1/8층에 있어서의 {110}<223>과 {110}<111> 중 어느 한쪽 또는 양쪽의 극밀도가 10 이상 33 이하이고,압연 방향의 영율이 230 ㎬ 초과 255 ㎬ 이하인 것을 특징으로 하는 고영율 강판의 제조 방법이며,질량 %로, C : 0.0005 내지 0.30 %, Si : 2.5 % 이하, Mn : 3.01 내지 5.0 %, P : 0.15 % 이하, S : 0.015 % 이하, Mo : 0.15 내지 1.5 %, B : 0.0006 내지 0.01 %, Al : 0.15 % 이하를 함유하고, 잔량부가 Fe 및 불가피적 불순물로 이루어지는 슬래브를 열연 가열 온도를 950 ℃ 이상으로 하고, 800 ℃ 이하에서의 각 패스마다의 압하율의 합계가 50 % 이상, 이 때의 마찰 계수를 0.2 초과, 열연 마무리 온도를 Ar3 변태점 이상, 750 ℃ 이하로 하여 열연하고, 400 내지 600 ℃에서 권취하는 것을 특징으로 하는 고영율 강판의 제조 방법.
- 제11항에 있어서, 상기 열간 압연의 공정에서는 이주속율(異周速率)이 1 % 이상 50 % 미만인 이주속 압연을 적어도 1 패스 이상 8 패스 이하 실시하는 것을 특징으로 하는 고영율 강판의 제조 방법.
- 제11항에 있어서, 상기 열간 압연의 공정에서는 롤 직경이 700 ㎜ 이하인 압연 롤을 적어도 1개 이상 사용하는 것을 특징으로 하는 고영율 강판의 제조 방법.
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- 제11항에 기재된 고영율 강판의 제조 방법에 의해 고영율 강판을 제조하는 공정과, 상기 고영율 강판을 임의의 방향으로 권취하여 강관으로 하는 것을 특징으로 하는 고영율 강관의 제조 방법.
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- 질량 %로, C : 0.0005 내지 0.30 %, Si : 2.5 % 이하, Mn : 0.1 내지 5.0 %, P : 0.15 % 이하, S : 0.015 % 이하, Al : 0.15 % 이하, N : 0.01 % 이하, Mo : 0.005 내지 1.5 %, Nb : 0.005 내지 0.20 %, Ti : 48/14 × N(질량 %) 이상 0.2 % 이하, B : 0.0001 내지 0.01 % 함유하고,잔량부가 Fe 및 불가피적 불순물로 이루어지고,판 두께의 1/8층에 있어서의 {110}<223>과 {110}<111> 중 어느 한쪽 또는 양쪽의 극밀도가 10 이상 22 이하이고,압연 방향의 영율이 230 ㎬ 초과 256 ㎬ 이하인 것을 특징으로 하는 고영율 강판을 갖고, 상기 고영율 강판이 임의의 방향으로 권취되어 있는 것을 특징으로 하는 고영율 강관.
- 질량 %로, C : 0.0005 내지 0.30 %, Si : 2.5 % 이하, Mn : 0.1 내지 5.0 %, P : 0.15 % 이하, S : 0.015 % 이하, Al : 0.15 % 이하, N : 0.01 % 이하, Mo : 0.005 내지 1.5 %, Nb : 0.005 내지 0.20 %, Ti : 48/14 × N(질량 %) 이상 0.2 % 이하, B : 0.0001 내지 0.01 % 함유하고,잔량부가 Fe 및 불가피적 불순물로 이루어지고,판 두께의 1/8층에 있어서의 {110}<223>과 {110}<111> 중 어느 한쪽 또는 양쪽의 극밀도가 10 이상 22 이하이고,압연 방향의 영율이 230 ㎬ 초과 256 ㎬ 이하인 것을 특징으로 하는 고영율 강판의 제조 방법이며,질량 %로, C : 0.0005 내지 0.30 %, Si : 2.5 % 이하, Mn : 0.1 내지 5.0 %, P : 0.15 % 이하, S : 0.015 % 이하, Al : 0.15 % 이하, N : 0.01 % 이하, Mo : 0.005 내지 1.5 %, Nb : 0.005 내지 0.20 %, Ti : 48/14 × N(질량 %) 이상 0.2 % 이하, B : 0.0001 내지 0.01 % 함유하고, 잔량부가 Fe 및 불가피적 불순물로 이루어지는 슬래브를 1000 ℃ 이상의 온도로 가열하고 열간 압연을 실시하여 열연 강판으로 하는 공정을 갖고,상기 열간 압연의 공정은 압연 롤과 강판의 마찰계수가 0.2 초과, 하기 식1로 계산되는 유효 변형량(ε*)이 0.4 이상, 또한 압하율의 합계가 50 % 이상이 되도록 압연을 행하고,상기 열간 압연의 공정에서는, 이주속율이 1 % 이상 50 % 미만인 이주속 압연을 적어도 1 패스 이상 8 패스 이하 실시하고,Ar3 변태점 이상 900 ℃ 이하의 온도에서 열간 압연을 종료하는 조건으로 행해지는 것을 특징으로 하는 고영율 강판의 제조 방법.[식1]여기서, n은 마무리 열연의 압연 스탠드 수, εj는 j번째의 스탠드에서 더해진 변형, εn은 n번째의 스탠드에서 더해진 변형, ti는 i 내지 i + 1번째의 스탠드간의 주행 시간(초), τi는 기체상수(R)(=1.987)와 i번째의 스탠드의 압연 온도(Ti)(K)에 의해 하기 식2로 계산할 수 있다.[식2]τi = 8.46 × 10-9 × exp{43800/R/Ti}
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- 제36항에 있어서, 상기 열간 압연의 공정에서는 롤 직경이 700 ㎜ 이하인 압연 롤을 적어도 1개 이상 사용하는 것을 특징으로 하는 고영율 강판의 제조 방법.
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- 제36항에 기재된 고영율 강판의 제조 방법에 의해 고영율 강판을 제조하는 공정과, 상기 고영율 강판을 임의의 방향으로 권취하여 강관으로 하는 것을 특징으로 하는 고영율 강관의 제조 방법.
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2005
- 2005-07-27 KR KR1020077001720A patent/KR100907115B1/ko active IP Right Grant
- 2005-07-27 EP EP05767035.8A patent/EP1806421B1/en not_active Not-in-force
- 2005-07-27 ES ES05767035.8T patent/ES2523760T3/es active Active
- 2005-07-27 EP EP13187394.5A patent/EP2700730A3/en not_active Withdrawn
- 2005-07-27 US US11/572,693 patent/US8057913B2/en not_active Expired - Fee Related
- 2005-07-27 WO PCT/JP2005/013717 patent/WO2006011503A1/ja active Application Filing
- 2005-07-27 KR KR1020097004621A patent/KR100960167B1/ko active IP Right Grant
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Also Published As
Publication number | Publication date |
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CA2575241A1 (en) | 2006-02-02 |
KR20090031959A (ko) | 2009-03-30 |
EP2700730A2 (en) | 2014-02-26 |
EP1806421B1 (en) | 2014-10-08 |
KR100960167B1 (ko) | 2010-05-26 |
EP1806421A1 (en) | 2007-07-11 |
KR20070040798A (ko) | 2007-04-17 |
WO2006011503A1 (ja) | 2006-02-02 |
US8057913B2 (en) | 2011-11-15 |
CA2575241C (en) | 2011-07-12 |
US8802241B2 (en) | 2014-08-12 |
ES2523760T3 (es) | 2014-12-01 |
EP2700730A3 (en) | 2017-08-09 |
US20120077051A1 (en) | 2012-03-29 |
US20080008901A1 (en) | 2008-01-10 |
EP1806421A4 (en) | 2008-02-27 |
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