WO2016105115A8 - 표면품질, 도금밀착성 및 성형성이 우수한 고강도 용융아연도금강판 및 그 제조방법 - Google Patents

표면품질, 도금밀착성 및 성형성이 우수한 고강도 용융아연도금강판 및 그 제조방법 Download PDF

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WO2016105115A8
WO2016105115A8 PCT/KR2015/014167 KR2015014167W WO2016105115A8 WO 2016105115 A8 WO2016105115 A8 WO 2016105115A8 KR 2015014167 W KR2015014167 W KR 2015014167W WO 2016105115 A8 WO2016105115 A8 WO 2016105115A8
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steel sheet
formability
high strength
surface quality
plating adhesion
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PCT/KR2015/014167
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English (en)
French (fr)
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WO2016105115A1 (ko
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김명수
강기철
김종호
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주식회사 포스코
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Priority to US15/539,669 priority Critical patent/US10793936B2/en
Priority to JP2017533553A priority patent/JP6475840B2/ja
Priority to EP15873642.1A priority patent/EP3239343B1/en
Priority to CN201580070546.7A priority patent/CN107109582B/zh
Publication of WO2016105115A1 publication Critical patent/WO2016105115A1/ko
Publication of WO2016105115A8 publication Critical patent/WO2016105115A8/ko

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  • Chemical & Material Sciences (AREA)
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  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
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  • Electroplating Methods And Accessories (AREA)

Abstract

본 발명은 중량%로, C: 0.1~0.3%, Si: 1~2.5%, Mn: 2.5~8%, sol.Al: 0.001~0.5%, P: 0.04% 이하, S: 0.015% 이하, N: 0.02% 이하 (0% 제외), Cr: 0.1~0.7%, Mo: 0.1% 이하, Ti: (48/14)*[N]~0.1%, Ni: 0.005~0.5%, Sb: 0.01~0.07%, Nb: 0.1 이하, B: 0.005% 이하, 잔부 Fe 및 기타 불가피한 불순물을 포함하는 냉연강판과 상기 냉연강판 상에 아연도금층이 형성되고, 상기 아연도금층 내부의 냉연강판의 표면에서 0.1㎛의 깊이까지의 평균 Sb 함량은, 상기 냉연강판의 표면에서 0.5㎛ 이상의 깊이에서의 평균 Sb 함량보다 1.5배 이상인 표면품질, 도금밀착성 및 성형성이 우수한 고강도 용융아연도금강판을 제공한다.
PCT/KR2015/014167 2014-12-23 2015-12-23 표면품질, 도금밀착성 및 성형성이 우수한 고강도 용융아연도금강판 및 그 제조방법 WO2016105115A1 (ko)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US15/539,669 US10793936B2 (en) 2014-12-23 2015-12-23 High strength galvanized steel sheet having excellent surface qualities, plating adhesion, and formability, and method for manufacturing same
JP2017533553A JP6475840B2 (ja) 2014-12-23 2015-12-23 表面品質、メッキ密着性、及び成形性に優れた高強度溶融亜鉛メッキ鋼板、並びにその製造方法
EP15873642.1A EP3239343B1 (en) 2014-12-23 2015-12-23 High strength galvanized steel sheet having excellent surface quality, plating adhesion, and formability, and method for manufacturing same
CN201580070546.7A CN107109582B (zh) 2014-12-23 2015-12-23 表面质量、镀覆粘附性及成型性优异的高强度热浸镀锌钢板及其制造方法

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KR10-2014-0187622 2014-12-23
KR1020140187622A KR101647224B1 (ko) 2014-12-23 2014-12-23 표면품질, 도금밀착성 및 성형성이 우수한 고강도 용융아연도금강판 및 그 제조방법

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WO2016105115A1 WO2016105115A1 (ko) 2016-06-30
WO2016105115A8 true WO2016105115A8 (ko) 2016-12-15

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CN (1) CN107109582B (ko)
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