WO2016104881A8 - 굽힘 특성이 우수한 hpf 성형부재 및 그 제조방법 - Google Patents

굽힘 특성이 우수한 hpf 성형부재 및 그 제조방법 Download PDF

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WO2016104881A8
WO2016104881A8 PCT/KR2015/004328 KR2015004328W WO2016104881A8 WO 2016104881 A8 WO2016104881 A8 WO 2016104881A8 KR 2015004328 W KR2015004328 W KR 2015004328W WO 2016104881 A8 WO2016104881 A8 WO 2016104881A8
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less
excellent bending
steel sheet
bending properties
base steel
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PCT/KR2015/004328
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French (fr)
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WO2016104881A1 (ko
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오진근
조열래
김성우
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주식회사 포스코
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Priority to MX2017003311A priority Critical patent/MX2017003311A/es
Priority to EP15873409.5A priority patent/EP3239338B1/en
Priority to ES15873409T priority patent/ES2791282T3/es
Priority to CN201580010489.3A priority patent/CN106164318A/zh
Priority to JP2017510476A priority patent/JP6423083B2/ja
Publication of WO2016104881A1 publication Critical patent/WO2016104881A1/ko
Priority to US15/250,079 priority patent/US10151013B2/en
Publication of WO2016104881A8 publication Critical patent/WO2016104881A8/ko
Priority to US16/177,870 priority patent/US10533237B2/en

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    • 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of manganese
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
    • B32B15/012—Layered products comprising a layer of metal all layers being exclusively metallic one layer being formed of an iron alloy or steel, another layer being formed of aluminium or an aluminium alloy
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    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
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    • 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
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    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
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    • 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
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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
    • C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
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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
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    • C21D8/0278—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips involving a particular surface treatment
    • C21D8/0284—Application of a separating or insulating coating
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C21/00—Alloys based on aluminium
    • C22C21/02—Alloys based on aluminium with silicon as the next major constituent
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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    • C22C38/001—Ferrous alloys, e.g. steel alloys containing N
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    • 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
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    • C22C—ALLOYS
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    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
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    • C22C—ALLOYS
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    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
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    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • C—CHEMISTRY; METALLURGY
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    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
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    • C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
    • C—CHEMISTRY; METALLURGY
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    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
    • 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
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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
    • C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
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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
    • 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
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    • 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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    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
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    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
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    • C21D2211/00—Microstructure comprising significant phases
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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Coating With Molten Metal (AREA)
  • Heat Treatment Of Articles (AREA)

Abstract

굽힘 특성이 우수한 HPF 성형부재 및 그 제조방법이 제공된다. 본 발명은, 소지강판의 표면에 용융알루미늄 도금층이 형성되어 있는 HPF 성형부재에 있어서, 상기 소지강판은, 중량%로 C:0.18~0.25%, Si:0.1~0.5%, Mn:0.9~1.5%, P:0.03% 이하, S:0.01%이하, Al:0.01~0.05%, Cr:0.05~0.5%, Ti:0.01~0.05%, B:0.001~0.005, N:0.009% 이하, 잔부 Fe 및 기타 불순물을 포함하여 조성되고, 상기 소지강판의 표층부에는 그 내부에 페라이트상이 두께 50㎛ 이내에 연속적 내지 불연속적으로 형성되어 있으며, 상기 표층부에서 페라이트상이 차지하는 분율이 5%이하이고; 그리고 상기 소지강판 표층부에는 그 크기가 1㎛ 이하인 탄화물이 전체 탄화물 분포에서 90% 이상을 가지도록 분산 분포되어 있는 굽힘성이 우수한 HPF 성형부재에 관한 것이다.
PCT/KR2015/004328 2014-12-24 2015-04-29 굽힘 특성이 우수한 hpf 성형부재 및 그 제조방법 WO2016104881A1 (ko)

Priority Applications (7)

Application Number Priority Date Filing Date Title
MX2017003311A MX2017003311A (es) 2014-12-24 2015-04-29 Partes formadas en prensa caliente que tienen excelentes propiedades de flexion y metodo para fabricar las mismas.
EP15873409.5A EP3239338B1 (en) 2014-12-24 2015-04-29 Hot press formed parts having excellent bending properties and method for manufacturing same
ES15873409T ES2791282T3 (es) 2014-12-24 2015-04-29 Piezas formadas por prensado en caliente que tienen excelentes propiedades de flexión y procedimiento de fabricación de las mismas
CN201580010489.3A CN106164318A (zh) 2014-12-24 2015-04-29 弯曲性优异的hpf成型构件及其制造方法
JP2017510476A JP6423083B2 (ja) 2014-12-24 2015-04-29 曲げ性に優れたｈｐｆ成形部材及びその製造方法
US15/250,079 US10151013B2 (en) 2014-12-24 2016-08-29 Hot press forming parts having excellent bending properties and method for manufacturing the same
US16/177,870 US10533237B2 (en) 2014-12-24 2018-11-01 Hot press forming parts having excellent bending properties and method for manufacturing the same

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2014-0189097 2014-12-24
KR1020140189097A KR101569508B1 (ko) 2014-12-24 2014-12-24 굽힘 특성이 우수한 hpf 성형부재 및 그 제조방법

Related Child Applications (1)

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US15/250,079 Continuation US10151013B2 (en) 2014-12-24 2016-08-29 Hot press forming parts having excellent bending properties and method for manufacturing the same

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WO2016104881A1 WO2016104881A1 (ko) 2016-06-30
WO2016104881A8 true WO2016104881A8 (ko) 2016-09-29

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PCT/KR2015/004328 WO2016104881A1 (ko) 2014-12-24 2015-04-29 굽힘 특성이 우수한 hpf 성형부재 및 그 제조방법

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US (2) US10151013B2 (ko)
EP (1) EP3239338B1 (ko)
JP (1) JP6423083B2 (ko)
KR (1) KR101569508B1 (ko)
CN (2) CN106164318A (ko)
ES (1) ES2791282T3 (ko)
MX (1) MX2017003311A (ko)
WO (1) WO2016104881A1 (ko)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101696121B1 (ko) 2015-12-23 2017-01-13 주식회사 포스코 내수소지연파괴특성, 내박리성 및 용접성이 우수한 열간성형용 알루미늄-철 합금 도금강판 및 이를 이용한 열간성형 부재
KR102297297B1 (ko) * 2016-12-23 2021-09-03 주식회사 포스코 내식성이 우수한 알루미늄계 도금 강재, 이를 이용한 알루미늄계 합금화 도금 강재 및 이들의 제조방법
KR101858868B1 (ko) * 2016-12-23 2018-05-16 주식회사 포스코 충격특성이 우수한 열간성형용 도금강판, 열간성형 부재 및 그들의 제조방법
KR102253720B1 (ko) 2017-03-30 2021-05-18 제이에프이 스틸 가부시키가이샤 핫 프레스 부재 및 그 제조 방법
CN107099748B (zh) * 2017-04-28 2019-03-26 武汉钢铁有限公司 高温成型用超高强锌铝镁镀层钢板及其制造方法
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CN110042321A (zh) 2019-07-23
CN106164318A (zh) 2016-11-23
WO2016104881A1 (ko) 2016-06-30
KR101569508B1 (ko) 2015-11-17
CN110042321B (zh) 2021-12-24
EP3239338B1 (en) 2020-02-26
JP2017529457A (ja) 2017-10-05
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MX2017003311A (es) 2017-06-23
US10151013B2 (en) 2018-12-11
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