JPS5719333A - Production of cold rolled steel plate of superior formability for deep drawing - Google Patents

Production of cold rolled steel plate of superior formability for deep drawing

Info

Publication number
JPS5719333A
JPS5719333A JP9433680A JP9433680A JPS5719333A JP S5719333 A JPS5719333 A JP S5719333A JP 9433680 A JP9433680 A JP 9433680A JP 9433680 A JP9433680 A JP 9433680A JP S5719333 A JPS5719333 A JP S5719333A
Authority
JP
Japan
Prior art keywords
temp
rolled steel
cold rolled
steel plate
deep drawing
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
JP9433680A
Other languages
Japanese (ja)
Other versions
JPS593527B2 (en
Inventor
Shuji Nakai
Seiichi Sugisawa
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
Sumitomo Metal Industries 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 Sumitomo Metal Industries Ltd filed Critical Sumitomo Metal Industries Ltd
Priority to JP55094336A priority Critical patent/JPS593527B2/en
Publication of JPS5719333A publication Critical patent/JPS5719333A/en
Publication of JPS593527B2 publication Critical patent/JPS593527B2/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)
  • Heat Treatment Of Sheet Steel (AREA)
  • Heat Treatment Of Steel (AREA)

Abstract

PURPOSE:To easily obtain a cold rolled steel plate of superior formability for deep drawing by subjecting a hot rolled steel of specific composition to coiling, cold rolling, preheating and holding, recrystallization annealing and cooling treatment respectively in specific conditions then to over aging treatment after reheating. CONSTITUTION:A steel consisting of <=0.10% C, <=0.20% Si, 0.10-0.40% Mn, <=0.03% P, 0.02-0.15% Al, 0.0025-0.20% N and the balance iron and unavoidable impurities is hot rolled and is coiled at >=600 deg.C. After pickling, it is cold rolled at >=40% draft. Thence, it is preheated and held to and at a temp. region above 350 deg.C and below recrystallization temp. for a short time, following which it is held for a short time in a temp. region above the recrystallization temp. and below 800 deg.C, whereby it is again subjected to recrystallization annealing. Further it is lowered of temp. down to a 250-450 deg.C temp. region or is quenched down to below 200 deg.C, and after it is reheated, it is over aged.
JP55094336A 1980-07-09 1980-07-09 Manufacturing method of cold-rolled steel sheet for deep drawing with excellent formability Expired JPS593527B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55094336A JPS593527B2 (en) 1980-07-09 1980-07-09 Manufacturing method of cold-rolled steel sheet for deep drawing with excellent formability

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55094336A JPS593527B2 (en) 1980-07-09 1980-07-09 Manufacturing method of cold-rolled steel sheet for deep drawing with excellent formability

Related Child Applications (2)

Application Number Title Priority Date Filing Date
JP16299783A Division JPS5974234A (en) 1983-09-05 1983-09-05 Production of cold-rolled steel sheet for deep drawing having excellent formability
JP16299883A Division JPS5974235A (en) 1983-09-05 1983-09-05 Production of cold-rolled steel sheet for deep drawing having excellent formability

Publications (2)

Publication Number Publication Date
JPS5719333A true JPS5719333A (en) 1982-02-01
JPS593527B2 JPS593527B2 (en) 1984-01-24

Family

ID=14107432

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55094336A Expired JPS593527B2 (en) 1980-07-09 1980-07-09 Manufacturing method of cold-rolled steel sheet for deep drawing with excellent formability

Country Status (1)

Country Link
JP (1) JPS593527B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4591395A (en) * 1983-05-05 1986-05-27 Armco Inc. Method of heat treating low carbon steel strip

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5320446A (en) * 1976-08-07 1978-02-24 Hiroyuki Yamato Snack noodle packaed in container

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5320446A (en) * 1976-08-07 1978-02-24 Hiroyuki Yamato Snack noodle packaed in container

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4591395A (en) * 1983-05-05 1986-05-27 Armco Inc. Method of heat treating low carbon steel strip

Also Published As

Publication number Publication date
JPS593527B2 (en) 1984-01-24

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