JPS5651532A - Production of high-strength zinc hot dipped steel plate of superior workability - Google Patents

Production of high-strength zinc hot dipped steel plate of superior workability

Info

Publication number
JPS5651532A
JPS5651532A JP12677079A JP12677079A JPS5651532A JP S5651532 A JPS5651532 A JP S5651532A JP 12677079 A JP12677079 A JP 12677079A JP 12677079 A JP12677079 A JP 12677079A JP S5651532 A JPS5651532 A JP S5651532A
Authority
JP
Japan
Prior art keywords
steel plate
transformation point
zinc hot
production
superior workability
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.)
Granted
Application number
JP12677079A
Other languages
Japanese (ja)
Other versions
JPS595649B2 (en
Inventor
Takeshi Iwamoto
Masahiro Shoji
Takayoshi Shimomura
Koichi Osawa
Takeshi Okuyama
Masayuki Kinoshita
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 Engineering Corp
Original Assignee
NKK Corp
Nippon Kokan Ltd
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, Nippon Kokan Ltd filed Critical NKK Corp
Priority to JP12677079A priority Critical patent/JPS595649B2/en
Publication of JPS5651532A publication Critical patent/JPS5651532A/en
Publication of JPS595649B2 publication Critical patent/JPS595649B2/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C21D9/48—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals deep-drawing sheets

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Coating With Molten Metal (AREA)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Sheet Steel (AREA)

Abstract

PURPOSE:To produce a high-strength zinc hot dipped steel plate of superior workability by heating the steel plate having been controlled of containing components such as Si and Mn to between the A1 transformation point-A3 transformation point temperatures then subjecting the same to zinc hot dipping. CONSTITUTION:The steel contg. 0.20%>C, 0.30%>Si, 1.0-2.5% Mn, 0.030%> P, 0.020%>S, and 0.01-0.10% sol.Al, satisfying the relation of 5XSi+Mn<= 2.5%, and contg. 0.01-0.20% one or two kinds of carbide or nitride forming metals such as Nb, Ti and V or 0.05-2.00% one or two kinds of metals enhancing hardenability, such as Cr and Mo, is hot rolled or cold rolled, after which it is heated to temperatures between the A1 transformation point-A3 transformation point. The structure becomes mixed structure of ferrite and austenite, and in the process of zinc hot dipping the steel plate and cooling the same down to room temperature, austenite is transformed to hard phases of martensite, bainite, etc., whereby strength is improved.
JP12677079A 1979-10-03 1979-10-03 Method for manufacturing high-strength hot-dip galvanized steel sheet with excellent workability Expired JPS595649B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12677079A JPS595649B2 (en) 1979-10-03 1979-10-03 Method for manufacturing high-strength hot-dip galvanized steel sheet with excellent workability

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12677079A JPS595649B2 (en) 1979-10-03 1979-10-03 Method for manufacturing high-strength hot-dip galvanized steel sheet with excellent workability

Publications (2)

Publication Number Publication Date
JPS5651532A true JPS5651532A (en) 1981-05-09
JPS595649B2 JPS595649B2 (en) 1984-02-06

Family

ID=14943485

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12677079A Expired JPS595649B2 (en) 1979-10-03 1979-10-03 Method for manufacturing high-strength hot-dip galvanized steel sheet with excellent workability

Country Status (1)

Country Link
JP (1) JPS595649B2 (en)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56163219A (en) * 1980-05-16 1981-12-15 Nisshin Steel Co Ltd Production of cold rolled high-tensile galvanized steel strip having low yield ratio
JPS5735673A (en) * 1980-08-11 1982-02-26 Kobe Steel Ltd High strength galvanized steel plate with surperior deep drawability
JPS5785963A (en) * 1980-11-13 1982-05-28 Nisshin Steel Co Ltd Production of high tensile cold rolled zinc hot dipped steel plate having superior workability
JPS589968A (en) * 1981-05-27 1983-01-20 ラスメット・キ Continuous manufacture of coated high strength low alloy steel
JPS5839770A (en) * 1981-09-03 1983-03-08 Kobe Steel Ltd Production of high-strength zinc hot dipped steel plate
JPH0247048A (en) * 1988-08-09 1990-02-16 Kawasaki Steel Corp Sn-plated very thin steel plate excellent in flange workability and weldability
EP0501605A2 (en) * 1991-01-21 1992-09-02 Kawasaki Steel Corporation Galvanized high-strength steel sheet having low yield ratio and method of producing the same
US5582658A (en) * 1990-08-17 1996-12-10 Kawasaki Steel Corporation High strength steel sheet adapted for press forming and method of producing the same
CN109963958A (en) * 2016-11-16 2019-07-02 杰富意钢铁株式会社 High-strength steel sheet and its manufacturing method
CN111511949A (en) * 2017-12-21 2020-08-07 Posco公司 Hot-rolled steel sheet having excellent expansibility and method for producing same
CN115181895A (en) * 2021-04-02 2022-10-14 宝山钢铁股份有限公司 1180 MPa-grade low-carbon low-alloy hot-dip galvanized Q & P steel and rapid heat treatment hot-dip galvanizing manufacturing method

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04118461A (en) * 1990-09-07 1992-04-20 Shinichi Sadohara Panel for mold for concrete and building of mold employing same panel

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56163219A (en) * 1980-05-16 1981-12-15 Nisshin Steel Co Ltd Production of cold rolled high-tensile galvanized steel strip having low yield ratio
JPS5735673A (en) * 1980-08-11 1982-02-26 Kobe Steel Ltd High strength galvanized steel plate with surperior deep drawability
JPH0242891B2 (en) * 1980-08-11 1990-09-26
JPS5785963A (en) * 1980-11-13 1982-05-28 Nisshin Steel Co Ltd Production of high tensile cold rolled zinc hot dipped steel plate having superior workability
JPS589968A (en) * 1981-05-27 1983-01-20 ラスメット・キ Continuous manufacture of coated high strength low alloy steel
JPH0146564B2 (en) * 1981-05-27 1989-10-09 Rasumetsuto Ki
JPS5839770A (en) * 1981-09-03 1983-03-08 Kobe Steel Ltd Production of high-strength zinc hot dipped steel plate
JPH0543779B2 (en) * 1981-09-03 1993-07-02 Kobe Steel Ltd
JPH0247048A (en) * 1988-08-09 1990-02-16 Kawasaki Steel Corp Sn-plated very thin steel plate excellent in flange workability and weldability
US5582658A (en) * 1990-08-17 1996-12-10 Kawasaki Steel Corporation High strength steel sheet adapted for press forming and method of producing the same
EP0501605A2 (en) * 1991-01-21 1992-09-02 Kawasaki Steel Corporation Galvanized high-strength steel sheet having low yield ratio and method of producing the same
CN109963958A (en) * 2016-11-16 2019-07-02 杰富意钢铁株式会社 High-strength steel sheet and its manufacturing method
CN109963958B (en) * 2016-11-16 2021-04-20 杰富意钢铁株式会社 High-strength steel sheet and method for producing same
CN111511949A (en) * 2017-12-21 2020-08-07 Posco公司 Hot-rolled steel sheet having excellent expansibility and method for producing same
US11560607B2 (en) 2017-12-21 2023-01-24 Posco Co., Ltd Hot-rolled steel sheet having excellent expandability and method for manufacturing same
US11851727B2 (en) 2017-12-21 2023-12-26 Posco Co., Ltd. Hot-rolled steel sheet having excellent expandability and method for manufacturing same
CN115181895A (en) * 2021-04-02 2022-10-14 宝山钢铁股份有限公司 1180 MPa-grade low-carbon low-alloy hot-dip galvanized Q & P steel and rapid heat treatment hot-dip galvanizing manufacturing method
CN115181895B (en) * 2021-04-02 2023-09-12 宝山钢铁股份有限公司 1180 MPa-level low-carbon low-alloy hot dip galvanized Q & P steel and rapid heat treatment hot dip galvanizing manufacturing method

Also Published As

Publication number Publication date
JPS595649B2 (en) 1984-02-06

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