KR900004947A - 연속소둔(燒屯)에 의한 내시효성이 우수한 냉연간판의 제조방법 - Google Patents

연속소둔(燒屯)에 의한 내시효성이 우수한 냉연간판의 제조방법 Download PDF

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KR900004947A
KR900004947A KR1019890003416A KR890003416A KR900004947A KR 900004947 A KR900004947 A KR 900004947A KR 1019890003416 A KR1019890003416 A KR 1019890003416A KR 890003416 A KR890003416 A KR 890003416A KR 900004947 A KR900004947 A KR 900004947A
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South Korea
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sec
cooling
temperature
continuous annealing
correction
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KR1019890003416A
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KR920004677B1 (ko
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데루아끼 야마다
도시야스 우께나
오사무 아끼스에
겐지 가와이
유우지 사노
데루기 하야시다
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사이또오 히로시
신닛본 세이데쓰 가부시기가이샤
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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
    • 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
    • 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
    • C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
    • 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
    • C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • C21D8/0273—Final recrystallisation annealing
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • C21D1/19—Hardening; Quenching with or without subsequent tempering by interrupted quenching
    • 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
    • C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0236—Cold rolling

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)

Abstract

내용 없음

Description

연속소둔(燒屯)에 의한 내시효성이 우수한 냉연간판의 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 과냉각적의 냉각속도, 급냉종점온도, 재가열온도폭의 조건을 결정하기 위한 실험에 사용된 열사이클을 나타내는 도면,
제2도는 과냉각전의 냉각속도와 시효특성의 관계를 나타내는 도면,
제3도는 급냉종점온도와 시효특성의 관계를 나타내는 도면.

Claims (3)

  1. C:0.010-0.06%, Mn:0.05-0.4%, S:0.002-0.025%, P:0.010% 이하, So1.A10.01-0.10%, N:0.0010-0.0060%, 나머지 철 및 불가피한 불순물로 이루어진 강철을 통상의 방법으로 열연판으로 하고, 냉연한 냉연강판을 재결정. 입(粒)성장시킨 후, 급냉.과냉각,제가열.경사과시효를 행하는 연속소둔법에 있어서, 재결정, 입성장후에 720-600℃로부터 200-310℃의 급냉종점온도(TE)까지를 50-250℃/sec의 급냉속도(α)로 급냉하고, 0-15초간 보정한 후, 적어도 40℃이상의 재가열을 행하여 320-400℃의 제가열온도(TR)로 재가열하고, 그 온도에서 냉각 또는 보정의 종료온도 (TC1)까지 0.7℃/sec이하(조정을 포함함)로, 하기의 (1)식으로 주어진 시간 t1초간의 냉각 또는 보정을 행하고 계속해서 350℃이상의 온도구역의 냉각은 10℃/sec이하의 평균 냉각속도로, 350℃미만으로부터 350℃이상의 온도구역의 냉각은 하기의 (2)식으로 한정된 평균냉각속도(C.R2)로, 또, 300℃미만의 온도구역의 냉각은 하기의 (3)식의 평균 냉각속도(C.R3)로, 285-220℃까지 냉각하는 것을 특징으로 하는 연속소둔에 의한 내시효성이 우수한 냉연강판의 제조방법.
    ts≤t1≤th+20······················· (1)식
    C.R2S≤C.R2≤C.R2h·····················(2)식
    C.R3S≤C.R3≤C.R3h····················· (3)식
    단,
    ts=×esp(0.0130XTE+25024/(546+TR+Tc1)-23.33)
    th=×esp(0.0130XTE+25024/(546+TR+Tc1)-22.45)
    C.R2s=(-2.983X(1/α)+0.168)Xexp(-0.0130XTE+5.18)
    C.R2h=(-4.185X(1/α)+0.263)Xexp(-0.0130XTE+6.06)
    C.R3s=(-0.695X(1/α)+0.0392)Xexp(-0.0130XTE+5.18)
    C.R3h=(-1.313X(1/α)+0.0741)Xexp(-0.0130XTE+6.06)
    ts: 제 가열후의 경사 또는 보정의 최소시간(sec)
    th: 제 가열후의 경사 또는 보정의 최대사간(sec)
    α : 과냉각전의 급냉속도(℃/sec)
    TE: 급냉종점온도(℃)
    TR: 재가열온도(℃)
    Tc1: 재가열후의 경사 또는 보정의 종료온도(℃)
    C.R2s: 350미만-300℃이상구역의 최소의 평균냉속(℃/sec)
    C.R2h: 350미만-300℃이상의 최대의 평균냉속(℃/sec)
    C.R3s: 300℃미만의 온도구역의 최소의 평균냉속(℃/sec)
    C.R3h: 300℃미만의 온도구역의 최대의 평균냉속(℃/sec)
  2. 제1항에 있어서, 전기항 강(鋼)의 B를 B/N 0.5-2.0 더욱 함유한 연질의 가공성이 좋은 것을 특징으로 하는 연속소둔에 의한 내시효성이 우수한 냉연강판의 제조방법.
  3. 제1항-제2항에 있어서, 전기한 급냉속(α)가 80-250℃임을 특징으로하는 연속소둔에 의한 내시효성이 우수한 냉연강판이 제조방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019890003416A 1988-09-28 1989-03-18 연속소둔(燒鈍)에 의한 내시효성이 우수한 냉연강판의 제조방법 KR920004677B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP63243470A JPH0293025A (ja) 1988-09-28 1988-09-28 連続焼鈍による耐時効性の優れた冷延鋼板の製造方法
JP63-243470 1988-09-28

Publications (2)

Publication Number Publication Date
KR900004947A true KR900004947A (ko) 1990-04-13
KR920004677B1 KR920004677B1 (ko) 1992-06-13

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Application Number Title Priority Date Filing Date
KR1019890003416A KR920004677B1 (ko) 1988-09-28 1989-03-18 연속소둔(燒鈍)에 의한 내시효성이 우수한 냉연강판의 제조방법

Country Status (6)

Country Link
US (1) US4931107A (ko)
EP (1) EP0360955B1 (ko)
JP (1) JPH0293025A (ko)
KR (1) KR920004677B1 (ko)
CA (1) CA1321125C (ko)
DE (1) DE68909359T2 (ko)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0826402B2 (ja) * 1991-01-22 1996-03-13 新日本製鐵株式会社 連続焼鈍による表面性状の優れたＡｌキルド冷延鋼板の製造方法
FR2694024B1 (fr) * 1992-07-23 1994-10-14 Lorraine Laminage Tôle améliorée pour emboutissage en rétreint et procédé de fabrication d'une telle tôle.
FR2795742B1 (fr) * 1999-07-01 2001-08-03 Lorraine Laminage Tole d'acier a moyen carbone calme a l'aluminium pour emballage
FR2795740B1 (fr) * 1999-07-01 2001-08-03 Lorraine Laminage Tole d'acier a bas carbone calme a l'aluminium pour emballage
FR2795741B1 (fr) * 1999-07-01 2001-08-03 Lorraine Laminage Tole d'acier a bas carbone calme a l'aluminium pour emballage
FR2837500B1 (fr) * 2002-03-21 2004-12-03 Usinor Tole ecrouie en acier calme a l'aluminium et procede de fabrication d'un emballage a partir de cette tole
JP4530606B2 (ja) * 2002-06-10 2010-08-25 Ｊｆｅスチール株式会社 スポット溶接性に優れた超高強度冷延鋼板の製造方法
CN112359285B (zh) * 2020-11-09 2022-03-15 山东钢铁集团日照有限公司 一种耐时效的冷轧连续退火钢带及其制造方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5839890B2 (ja) * 1979-07-13 1983-09-02 川崎製鉄株式会社 連続焼鈍による耐時効性のすぐれた絞り用冷延鋼板の製造方法
JPS5665931A (en) * 1979-10-31 1981-06-04 Kobe Steel Ltd Manufacture of cold-rolled steel sheet for press formation
JPS5810447A (ja) * 1981-07-10 1983-01-21 Honda Motor Co Ltd カム研削盤
JPS5839890A (ja) * 1981-09-03 1983-03-08 株式会社三国製作所 自動車用可撓管
JPS6052527A (ja) * 1983-08-31 1985-03-25 Nippon Steel Corp 連続焼鈍による非時効性冷延鋼板の製造方法
JPS60228617A (ja) * 1984-04-25 1985-11-13 Nippon Steel Corp 連続鋳造−連続焼鈍法による非時効性冷延鋼板の製造方法
US4698102A (en) * 1984-07-09 1987-10-06 Nippon Steel Corporation Process for producing, by continuous annealing, soft blackplate for surface treatment
JPS61276935A (ja) * 1985-05-31 1986-12-06 Nippon Steel Corp 連続焼鈍による非時効性冷延鋼板の製造方法

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Publication number Publication date
KR920004677B1 (ko) 1992-06-13
US4931107A (en) 1990-06-05
EP0360955A2 (en) 1990-04-04
DE68909359T2 (de) 1994-04-28
JPH0555573B2 (ko) 1993-08-17
CA1321125C (en) 1993-08-10
JPH0293025A (ja) 1990-04-03
DE68909359D1 (de) 1993-10-28
EP0360955B1 (en) 1993-09-22
EP0360955A3 (en) 1990-12-19

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