JPS56166331A - Manufacture of cold rolled steel plate with superior press workability - Google Patents

Manufacture of cold rolled steel plate with superior press workability

Info

Publication number
JPS56166331A
JPS56166331A JP5494080A JP5494080A JPS56166331A JP S56166331 A JPS56166331 A JP S56166331A JP 5494080 A JP5494080 A JP 5494080A JP 5494080 A JP5494080 A JP 5494080A JP S56166331 A JPS56166331 A JP S56166331A
Authority
JP
Japan
Prior art keywords
cold rolled
steel plate
steel
manufacture
rolled steel
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
JP5494080A
Other languages
Japanese (ja)
Inventor
Nobuyuki Takahashi
Yoshikuni Furuno
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.)
Nippon Steel Corp
Original Assignee
Nippon Steel 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 Nippon Steel Corp filed Critical Nippon Steel Corp
Priority to JP5494080A priority Critical patent/JPS56166331A/en
Publication of JPS56166331A publication Critical patent/JPS56166331A/en
Pending 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)
  • Heat Treatment Of Sheet Steel (AREA)

Abstract

PURPOSE:To obtain a cold rolled steel plate with superior deep drawability by regulating the wt. ratio between B and N in steel contg. a specified percentage of C, Si, Mn, acid-sol. Al, N and B and adding a specified amount of Ti, Nb, V and Cr. CONSTITUTION:Steel is prepared consisting of <=0.06% C, <=0.08% Si, <=0.40% Mn, 0.05-0.060% acid-sol. Al, 0.0010-0.0080% N and the balance Fe with inevitable impurities or further contg. >=1 kinds among 0.005-0.025% Ti, 0.005- 0.05% Nb, 0.005-0.05% V and 0.03-0.10% Cr and having B/N=0.5-1.5. The steel is hot rolled, finished at the about Ar3 point or above, and coild at <= about 680 deg.C. The hot rolled coil is pickled, cold rolled at >= about 70% cold reduction ratio, continuously annealed at the recrystallization temp.-the A3 point, and overaged.
JP5494080A 1980-04-25 1980-04-25 Manufacture of cold rolled steel plate with superior press workability Pending JPS56166331A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5494080A JPS56166331A (en) 1980-04-25 1980-04-25 Manufacture of cold rolled steel plate with superior press workability

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5494080A JPS56166331A (en) 1980-04-25 1980-04-25 Manufacture of cold rolled steel plate with superior press workability

Publications (1)

Publication Number Publication Date
JPS56166331A true JPS56166331A (en) 1981-12-21

Family

ID=12984632

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5494080A Pending JPS56166331A (en) 1980-04-25 1980-04-25 Manufacture of cold rolled steel plate with superior press workability

Country Status (1)

Country Link
JP (1) JPS56166331A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57104627A (en) * 1980-12-19 1982-06-29 Nippon Kokan Kk <Nkk> Manufacture of cold rolled soft steel plate with superior press formability by continuous annealing
JPS5938337A (en) * 1982-08-28 1984-03-02 Nippon Steel Corp Manufacture of steel plate with burning hardenability for extremely deep drawing
JPS59140333A (en) * 1983-01-28 1984-08-11 Nippon Steel Corp Manufacture of cold rolled steel sheet for deep drawing with superior secondary workability and surface treatability
US4504326A (en) * 1982-10-08 1985-03-12 Nippon Steel Corporation Method for the production of cold rolled steel sheet having super deep drawability
US4576657A (en) * 1982-02-19 1986-03-18 Kawasaki Steel Corporation Process of manufacturing a cold rolled steel sheet having excellent press formability
WO1992014854A1 (en) * 1991-02-20 1992-09-03 Nippon Steel Corporation Cold-rolled steel sheet and galvanized cold-rolled steel sheet which are excellent in formability and baking hardenability, and production thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4952118A (en) * 1972-09-20 1974-05-21
JPS55141526A (en) * 1979-04-18 1980-11-05 Kawasaki Steel Corp Production of high tension cold-rolled steel plate for deep drawing
JPS5669358A (en) * 1979-10-18 1981-06-10 Kobe Steel Ltd Ultra low carbon cold rolled steel sheet with superior press formability

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4952118A (en) * 1972-09-20 1974-05-21
JPS55141526A (en) * 1979-04-18 1980-11-05 Kawasaki Steel Corp Production of high tension cold-rolled steel plate for deep drawing
JPS5669358A (en) * 1979-10-18 1981-06-10 Kobe Steel Ltd Ultra low carbon cold rolled steel sheet with superior press formability

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57104627A (en) * 1980-12-19 1982-06-29 Nippon Kokan Kk <Nkk> Manufacture of cold rolled soft steel plate with superior press formability by continuous annealing
US4576657A (en) * 1982-02-19 1986-03-18 Kawasaki Steel Corporation Process of manufacturing a cold rolled steel sheet having excellent press formability
JPS5938337A (en) * 1982-08-28 1984-03-02 Nippon Steel Corp Manufacture of steel plate with burning hardenability for extremely deep drawing
US4504326A (en) * 1982-10-08 1985-03-12 Nippon Steel Corporation Method for the production of cold rolled steel sheet having super deep drawability
JPS59140333A (en) * 1983-01-28 1984-08-11 Nippon Steel Corp Manufacture of cold rolled steel sheet for deep drawing with superior secondary workability and surface treatability
WO1992014854A1 (en) * 1991-02-20 1992-09-03 Nippon Steel Corporation Cold-rolled steel sheet and galvanized cold-rolled steel sheet which are excellent in formability and baking hardenability, and production thereof

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