CN107921509A - 热冲压部件的制造方法 - Google Patents

热冲压部件的制造方法 Download PDF

Info

Publication number
CN107921509A
CN107921509A CN201680044284.1A CN201680044284A CN107921509A CN 107921509 A CN107921509 A CN 107921509A CN 201680044284 A CN201680044284 A CN 201680044284A CN 107921509 A CN107921509 A CN 107921509A
Authority
CN
China
Prior art keywords
steel plate
hot stamping
stamping part
galvanized steel
manufacture method
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN201680044284.1A
Other languages
English (en)
Chinese (zh)
Inventor
中岛清次
安藤聪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JFE Steel Corp
JFE Engineering Corp
Original Assignee
NKK Corp
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.)
Filing date
Publication date
Application filed by NKK Corp filed Critical NKK Corp
Publication of CN107921509A publication Critical patent/CN107921509A/zh
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D8/00Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0278Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips involving a particular surface treatment
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/20Deep-drawing
    • B21D22/208Deep-drawing by heating the blank or deep-drawing associated with heat treatment
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/20Deep-drawing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/20Deep-drawing
    • B21D22/26Deep-drawing for making peculiarly, e.g. irregularly, shaped articles
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/46Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C18/00Alloys based on zinc
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C2/00Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/04Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
    • C23C2/06Zinc or cadmium or alloys based thereon
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C2/00Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/26After-treatment
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C2/00Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/34Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the shape of the material to be treated
    • C23C2/36Elongated material
    • C23C2/40Plates; Strips
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23FNON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F17/00Multi-step processes for surface treatment of metallic material involving at least one process provided for in class C23 and at least one process covered by subclass C21D or C22F or class C25
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/48After-treatment of electroplated surfaces
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/48After-treatment of electroplated surfaces
    • C25D5/50After-treatment of electroplated surfaces by heat-treatment
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D53/00Making other particular articles
    • B21D53/88Making other particular articles other parts for vehicles, e.g. cowlings, mudguards
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/001Ferrous alloys, e.g. steel alloys containing N
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/002Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/02Ferrous alloys, e.g. steel alloys containing silicon
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/04Ferrous alloys, e.g. steel alloys containing manganese
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/06Ferrous alloys, e.g. steel alloys containing aluminium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/28Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/60Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D3/00Electroplating: Baths therefor
    • C25D3/02Electroplating: Baths therefor from solutions
    • C25D3/22Electroplating: Baths therefor from solutions of zinc

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Electrochemistry (AREA)
  • Coating With Molten Metal (AREA)
  • Electroplating Methods And Accessories (AREA)
  • Heat Treatment Of Articles (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Chemically Coating (AREA)
CN201680044284.1A 2015-07-29 2016-07-05 热冲压部件的制造方法 Pending CN107921509A (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2015149092 2015-07-29
JP2015-149092 2015-07-29
JP2016029871 2016-02-19
JP2016-029871 2016-02-19
PCT/JP2016/003196 WO2017017905A1 (fr) 2015-07-29 2016-07-05 Procédé pour la production d'élément formé à la presse à chaud

Publications (1)

Publication Number Publication Date
CN107921509A true CN107921509A (zh) 2018-04-17

Family

ID=57884668

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201680044284.1A Pending CN107921509A (zh) 2015-07-29 2016-07-05 热冲压部件的制造方法

Country Status (7)

Country Link
US (1) US20180216219A1 (fr)
EP (1) EP3330016B1 (fr)
JP (1) JP6409878B2 (fr)
KR (1) KR102050175B1 (fr)
CN (1) CN107921509A (fr)
MX (1) MX2018001125A (fr)
WO (1) WO2017017905A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111618146A (zh) * 2020-05-12 2020-09-04 首钢集团有限公司 一种锌基镀层涂覆钢材热冲压方法及热冲压成型构件
CN114029699A (zh) * 2021-10-22 2022-02-11 广东中辉绿建移动房屋科技有限公司 一种镀锌顶板的制备方法及集成房屋顶
WO2023155511A1 (fr) * 2022-02-16 2023-08-24 南京钢铁股份有限公司 Procédé pour contrôler la qualité de surface d'une tôle d'acier à base de nickel

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA3090649A1 (fr) * 2018-02-15 2019-08-22 Nippon Steel Corporation Element estampe a chaud plaque de fe-ai et son procede de fabrication

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101508854A (zh) * 2009-03-24 2009-08-19 机械科学研究总院先进制造技术研究中心 一种超高强度钢板热冲压件高温抗氧化润滑涂料
EP2159292A1 (fr) * 2007-06-15 2010-03-03 Sumitomo Metal Industries, Ltd. Procédé servant à fabriquer un article profilé
CN103492600A (zh) * 2011-04-27 2014-01-01 新日铁住金株式会社 热冲压部件用钢板及其制造方法
EP2719796A1 (fr) * 2011-06-07 2014-04-16 JFE Steel Corporation Tôle d'acier pour pressage à chaud et procédé pour produire un composant pressé à chaud utilisant celle-ci
JP2015071810A (ja) * 2013-10-03 2015-04-16 新日鐵住金株式会社 ホットスタンプ鋼材の製造方法、ホットスタンプ用鋼板の製造方法及びホットスタンプ用鋼板

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4849186A (fr) 1971-10-23 1973-07-11
JPS582511A (ja) 1981-06-26 1983-01-08 Sanyo Electric Co Ltd 芯上下式石油燃焼器
JPH01152296A (ja) * 1987-12-10 1989-06-14 Kawasaki Steel Corp 鋼板へのZn−Ni合金の電気めっき方法
FR2807447B1 (fr) 2000-04-07 2002-10-11 Usinor Procede de realisation d'une piece a tres hautes caracteristiques mecaniques, mise en forme par emboutissage, a partir d'une bande de tole d'acier laminee et notamment laminee a chaud et revetue
US7650547B2 (en) 2007-02-28 2010-01-19 Verigy (Singapore) Pte. Ltd. Apparatus for locating a defect in a scan chain while testing digital logic
EP2290133B1 (fr) * 2009-08-25 2012-04-18 ThyssenKrupp Steel Europe AG Procédé de fabrication d'un composant en acier revêtu d'une coiffe métallique protégeant de la corrosion et composant en acier
JP5884151B2 (ja) * 2010-11-25 2016-03-15 Jfeスチール株式会社 熱間プレス用鋼板およびそれを用いた熱間プレス部材の製造方法
JP5880321B2 (ja) * 2012-07-09 2016-03-09 新日鐵住金株式会社 高強度鋼成形部材の製造方法
JP6171872B2 (ja) * 2013-11-12 2017-08-02 新日鐵住金株式会社 ホットスタンプ鋼材の製造方法、ホットスタンプ用鋼板の製造方法及びホットスタンプ用鋼板
JP6191420B2 (ja) * 2013-12-02 2017-09-06 新日鐵住金株式会社 ホットスタンプ鋼材の製造方法及びホットスタンプ鋼材

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2159292A1 (fr) * 2007-06-15 2010-03-03 Sumitomo Metal Industries, Ltd. Procédé servant à fabriquer un article profilé
CN101508854A (zh) * 2009-03-24 2009-08-19 机械科学研究总院先进制造技术研究中心 一种超高强度钢板热冲压件高温抗氧化润滑涂料
CN103492600A (zh) * 2011-04-27 2014-01-01 新日铁住金株式会社 热冲压部件用钢板及其制造方法
EP2719796A1 (fr) * 2011-06-07 2014-04-16 JFE Steel Corporation Tôle d'acier pour pressage à chaud et procédé pour produire un composant pressé à chaud utilisant celle-ci
JP2015071810A (ja) * 2013-10-03 2015-04-16 新日鐵住金株式会社 ホットスタンプ鋼材の製造方法、ホットスタンプ用鋼板の製造方法及びホットスタンプ用鋼板

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
李梅君等: "《普通化学》", 31 August 2013, 华东理工大学出版社 *
李红强等: "《胶粘原理、技术及应用》", 31 January 2014, 华南理工大学出版社 *
邹平等: "《汽车车身制造工艺学》", 31 December 2012, 北京航空航天大学出版社 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111618146A (zh) * 2020-05-12 2020-09-04 首钢集团有限公司 一种锌基镀层涂覆钢材热冲压方法及热冲压成型构件
CN114029699A (zh) * 2021-10-22 2022-02-11 广东中辉绿建移动房屋科技有限公司 一种镀锌顶板的制备方法及集成房屋顶
WO2023155511A1 (fr) * 2022-02-16 2023-08-24 南京钢铁股份有限公司 Procédé pour contrôler la qualité de surface d'une tôle d'acier à base de nickel

Also Published As

Publication number Publication date
KR20180021125A (ko) 2018-02-28
WO2017017905A1 (fr) 2017-02-02
US20180216219A1 (en) 2018-08-02
EP3330016A4 (fr) 2018-06-27
MX2018001125A (es) 2018-05-23
EP3330016B1 (fr) 2023-09-06
KR102050175B1 (ko) 2019-11-28
EP3330016A1 (fr) 2018-06-06
JP6409878B2 (ja) 2018-10-24
JPWO2017017905A1 (ja) 2017-07-27

Similar Documents

Publication Publication Date Title
CN104271789B (zh) 热冲压用合金化熔融镀锌钢板及其制造方法、以及热冲压部件
JP5650222B2 (ja) 腐食に対する保護を与える金属コーティングが施された鋼部材を製造する方法、および鋼部材
JP6515356B2 (ja) ホットスタンプ用鋼板およびその製造方法、並びにホットスタンプ成形体
US9150946B2 (en) Hot dip galvanized high strength steel sheet excellent in plating adhesion and hole expandability and method of production of same
CN100552073C (zh) 镀层粘附性和扩孔性均优异的热浸镀锌高强度钢板及其制造方法
KR102518795B1 (ko) 알루미늄 도금 강판, 핫 스탬프 부재 및 핫 스탬프 부재의 제조 방법
JP5482968B2 (ja) 酸洗後の鋼板表面の黄変防止方法
TWI586840B (zh) 冷軋鋼板、冷軋鋼板的製造方法以及汽車零件
CN104755647B (zh) 热镀锌钢板
TWI519652B (zh) 肥粒鐵系不鏽鋼
US10384254B2 (en) Method of manufacturing hot-pressed member
CN107921509A (zh) 热冲压部件的制造方法
JP6805044B2 (ja) ホットスタンプ用合金化溶融亜鉛めっき鋼板
CN101160416B (zh) 热浸镀锌方法
JPWO2019180853A1 (ja) ホットスタンプ成形体
JP4901794B2 (ja) 表面品位に優れる合金化溶融亜鉛めっき鋼板の製造方法
JP2013173976A (ja) 冷延鋼板の製造方法およびその製造設備
KR100968620B1 (ko) 고강도 합금화 용융 아연 도금 강판의 제조 방법
CN113924379B (zh) 热压用镀锌钢板、热压用镀锌钢板的制造方法和热压成形体
JP5896165B2 (ja) 酸洗後の鋼板表面の黄変防止方法
JP5532086B2 (ja) 溶融亜鉛めっき鋼管
US11898252B2 (en) Aluminum-based alloy-plated steel sheet having excellent workability and corrosion resistance, and manufacturing method therefor
JP2015199995A (ja) 自動車部材の製造方法
JP6123754B2 (ja) 化成処理性に優れるSi含有熱延鋼板およびその製造方法
JP5565191B2 (ja) 溶融Al−Zn系めっき鋼板

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20180417