KR880007772A - Manufacturing method of soft cold rolled steel sheet having high ductility by continuous annealing - Google Patents

Manufacturing method of soft cold rolled steel sheet having high ductility by continuous annealing Download PDF

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Publication number
KR880007772A
KR880007772A KR860011718A KR860011718A KR880007772A KR 880007772 A KR880007772 A KR 880007772A KR 860011718 A KR860011718 A KR 860011718A KR 860011718 A KR860011718 A KR 860011718A KR 880007772 A KR880007772 A KR 880007772A
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KR
South Korea
Prior art keywords
steel sheet
rolled steel
continuous annealing
cold rolled
manufacturing
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Application number
KR860011718A
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Korean (ko)
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KR900004849B1 (en
Inventor
윤정봉
Original Assignee
안병화
포항종합제철 주식회사
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Priority to KR1019860011718A priority Critical patent/KR900004849B1/en
Publication of KR880007772A publication Critical patent/KR880007772A/en
Application granted granted Critical
Publication of KR900004849B1 publication Critical patent/KR900004849B1/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
    • 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
    • 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

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  • 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

내용 없음.No content.

Description

연속소둔에 의한 연성이 우수한 고가공용 연질 냉연강판의 제조방법Manufacturing method of soft cold rolled steel sheet having high ductility by continuous annealing

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 (Nb+Ti)/(C+N+S) 원자비에 따른 기계적 성질의 변화를 나타낸 그래프.1 is a graph showing the change in mechanical properties with (Nb + Ti) / (C + N + S) atomic ratio.

제2도는원자비에 따른 기계적 성질의 변화를 나타내는 그래프.Second figure Graph showing changes in mechanical properties with atomic ratios.

제3도는 본 발명의 실시예에 있어서의 연속소둔 열처리 사이클을 나타내는 그래프.3 is a graph showing a continuous annealing heat treatment cycle in an embodiment of the present invention.

Claims (1)

C : 0.01wt% 이하, Mn : 0.2wt% 이하, N : 0.01wt%, 이하 Nb : 0.005%-0.1wt%, Ti : 0.005-0.1wt%, P, S 등의 분순물을 소량 포함하는 Al-killed 강을 소재로 Mn 및 Ti함량을 (Ti+Nb)/(C+N+S) 원자비 : 0.6-2.0, (Ti-S)/Nb 원자비 : 0-2.0으로 하며 통상의 방법에 의거 열간 및 냉간압연하여 연속소둔에 의한 것을 특징으로 하는 연속소둔에 의한 연성이 우수한 고가공용 연질냉연강판의 제조방법.Al containing a small amount of impurities such as C: 0.01wt% or less, Mn: 0.2wt% or less, N: 0.01wt%, Nb: 0.005% -0.1wt%, Ti: 0.005-0.1wt%, P, S, etc. Mn and Ti content of -killed steel is (Ti + Nb) / (C + N + S) atomic ratio: 0.6-2.0, (Ti-S) / Nb atomic ratio: 0-2.0. A method for producing a soft cold rolled steel sheet having excellent ductility by continuous annealing, characterized by hot annealing and cold rolling. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019860011718A 1986-12-31 1986-12-31 Making process for cold rolled steel plate having a high preocessing property KR900004849B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019860011718A KR900004849B1 (en) 1986-12-31 1986-12-31 Making process for cold rolled steel plate having a high preocessing property

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019860011718A KR900004849B1 (en) 1986-12-31 1986-12-31 Making process for cold rolled steel plate having a high preocessing property

Publications (2)

Publication Number Publication Date
KR880007772A true KR880007772A (en) 1988-08-29
KR900004849B1 KR900004849B1 (en) 1990-07-08

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019860011718A KR900004849B1 (en) 1986-12-31 1986-12-31 Making process for cold rolled steel plate having a high preocessing property

Country Status (1)

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KR (1) KR900004849B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100256333B1 (en) * 1995-12-05 2000-05-15 이구택 The manufacturing method for cold rolling steel sheet with excellent enamel property

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100256333B1 (en) * 1995-12-05 2000-05-15 이구택 The manufacturing method for cold rolling steel sheet with excellent enamel property

Also Published As

Publication number Publication date
KR900004849B1 (en) 1990-07-08

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