WO2018117675A8 - 가공성이 우수한 냉연강판 및 그 제조방법 - Google Patents

가공성이 우수한 냉연강판 및 그 제조방법 Download PDF

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Publication number
WO2018117675A8
WO2018117675A8 PCT/KR2017/015209 KR2017015209W WO2018117675A8 WO 2018117675 A8 WO2018117675 A8 WO 2018117675A8 KR 2017015209 W KR2017015209 W KR 2017015209W WO 2018117675 A8 WO2018117675 A8 WO 2018117675A8
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WO
WIPO (PCT)
Prior art keywords
cold
steel sheet
rolled steel
manufacturing
method therefor
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PCT/KR2017/015209
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English (en)
French (fr)
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WO2018117675A1 (ko
Inventor
김재익
Original Assignee
주식회사 포스코
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.)
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Application filed by 주식회사 포스코 filed Critical 주식회사 포스코
Priority to CN201780079784.3A priority Critical patent/CN110100022B/zh
Publication of WO2018117675A1 publication Critical patent/WO2018117675A1/ko
Publication of WO2018117675A8 publication Critical patent/WO2018117675A8/ko

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    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • 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
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • 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
    • C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0226—Hot rolling
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • 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
    • C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0236—Cold rolling
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • 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
    • C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/001—Ferrous alloys, e.g. steel alloys containing N
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • C—CHEMISTRY; METALLURGY
    • 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D3/00—Electroplating: Baths therefor
    • C25D3/02—Electroplating: Baths therefor from solutions
    • C25D3/12—Electroplating: Baths therefor from solutions of nickel or cobalt

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Heat Treatment Of Sheet Steel (AREA)

Abstract

본 발명은 고온 특성과 상온 가공성이 우수한 냉연강판 및 그 제조 방법에 관한 것으로서, 중량%로, C:0.0005~0.003%, Mn:0.30~0.70%, Al:0.02~0.10%, P:0.003~0.020%, N:0.002~0.006%, S:0.015% 이하(0% 포함), V:0.01~0.05%, B:0.0005~0.0035%, W:0.04~0.10%, 잔부 Fe 및 기타 불가피한 불순물을 포함하고; 상기 V와 B에 대한 C 및 N의 유효 원자비[(V*1.2B)/(C+N)]가 0.00009~0.00069이고; 미세조직은 면적%로 95%이상의 폴리고날 페라이트 및 5%이하(0%는 제외)의 침상 페라이트를 함유하고; 그리고 0.01~0.10㎛ 크기의 (V,B)(C,N) 석출물을 포함하는 가공성이 우수한 냉연강판 및 그 제조방법이 제공된다.
PCT/KR2017/015209 2016-12-22 2017-12-21 가공성이 우수한 냉연강판 및 그 제조방법 WO2018117675A1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201780079784.3A CN110100022B (zh) 2016-12-22 2017-12-21 加工性优异的冷轧钢板及其制造方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020160177189A KR101917464B1 (ko) 2016-12-22 2016-12-22 가공성이 우수한 냉연강판 및 그 제조방법
KR10-2016-0177189 2016-12-22

Publications (2)

Publication Number Publication Date
WO2018117675A1 WO2018117675A1 (ko) 2018-06-28
WO2018117675A8 true WO2018117675A8 (ko) 2018-10-04

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KR (1) KR101917464B1 (ko)
CN (1) CN110100022B (ko)
WO (1) WO2018117675A1 (ko)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102045654B1 (ko) * 2017-12-26 2019-11-15 주식회사 포스코 고온 특성과 상온 가공성이 우수한 냉연강판 및 그 제조방법
KR102326687B1 (ko) * 2019-12-17 2021-11-17 주식회사 포스코 인산염 처리성이 우수한 고강도 냉연강판 및 그 제조방법
KR20230091461A (ko) * 2021-12-16 2023-06-23 주식회사 포스코 냉연강판 및 이의 제조 방법

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004143470A (ja) * 2002-08-29 2004-05-20 Nippon Steel Corp 塗装焼付硬化性能と常温遅時効性に優れた鋼板およびその製造方法
JP4491208B2 (ja) * 2003-08-29 2010-06-30 パナソニック株式会社 電池缶およびその製造方法ならびに電池
JP4839024B2 (ja) * 2005-06-22 2011-12-14 パナソニック株式会社 電池缶およびその製造方法
KR20110119285A (ko) * 2010-04-27 2011-11-02 주식회사 포스코 고강도 냉연강판, 아연도금강판 및 이들의 제조방법
JP6248782B2 (ja) * 2014-04-22 2017-12-20 新日鐵住金株式会社 高ヤング率冷延鋼鈑、高ヤング率電気亜鉛系めっき冷延鋼板、高ヤング率溶融亜鉛めっき冷延鋼板、高ヤング率合金化溶融亜鉛めっき冷延鋼板、及び、それらの製造方法
KR101665818B1 (ko) * 2014-12-24 2016-10-13 주식회사 포스코 연성 및 화성처리성이 우수한 고강도 냉연강판 및 그 제조방법

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Publication number Publication date
KR101917464B1 (ko) 2018-11-09
WO2018117675A1 (ko) 2018-06-28
CN110100022B (zh) 2021-03-30
CN110100022A (zh) 2019-08-06
KR20180073407A (ko) 2018-07-02

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