KR970033130A - Manufacturing method of fine stone disc for excellent strain resistance - Google Patents

Manufacturing method of fine stone disc for excellent strain resistance Download PDF

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Publication number
KR970033130A
KR970033130A KR1019950051399A KR19950051399A KR970033130A KR 970033130 A KR970033130 A KR 970033130A KR 1019950051399 A KR1019950051399 A KR 1019950051399A KR 19950051399 A KR19950051399 A KR 19950051399A KR 970033130 A KR970033130 A KR 970033130A
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KR
South Korea
Prior art keywords
range
manufacturing
processing
less
stone
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KR1019950051399A
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Korean (ko)
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KR100240994B1 (en
Inventor
곽재현
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김종진
포항종합제철주식회사
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Priority to KR1019950051399A priority Critical patent/KR100240994B1/en
Publication of KR970033130A publication Critical patent/KR970033130A/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
    • 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
    • C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
    • C21D8/0405—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing of ferrous 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/002—Heat treatment of ferrous alloys containing Cr
    • 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
    • C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
    • C21D8/0421—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the working steps
    • C21D8/0436—Cold rolling
    • 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
    • C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium

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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 Steel (AREA)

Abstract

본 발명은 얕은 높이의 가공용 깡통, 즉 깻잎통, 참치통, 어육 및 고기 가공품 등의 저장에 사용되는 가공용 석도금 원판의 소재로 사용되는 석도원판의 제조방법에 관한 것으로, 탄소 및 질소 함량을 낮추고 Ti및 Cr을 첨가하여 강을 조성하고 이의 냉간압하율, 소둔조건 및 조질압연 조건을 제어하여, 석도금 밀착성 및 내스트레쳐 스트레인성이 우수한 가공용 석도원판을 제조하는 방법을 제공하고자 하는데, 그 목적이 있다.The present invention relates to a method for manufacturing a stone plate used as a material of the processing stone plate, which is used for the storage of processing cans, such as sesame leaf, tuna, fish meat and meat products of shallow height, lowering the carbon and nitrogen content By adding Ti and Cr to form a steel and controlling its cold rolling rate, annealing conditions and temper rolling conditions, to provide a method for producing a fine stone for processing fine stone plated adhesion and stretch strain resistance. There is this.

상기한 목적을 달성하기 위한 본 발명은 석도원판의 제조방법에 있어서, 중량%로, C:0.007%이하, Mn:0.05~0.2%, S:0.015% 이하, 산가용 Al:0.02~0.05%, N:0.004%, Ti:0.015~0.035%, Cr:0.02~0.05%, 나머지:Fe 및 기타 불가피한 불순물로 조성되는 알루미늄 킬드강 강괴를 열간압연하여 600~700℃의 온도범위에서 권취한 후, 88~92%의 압하율 범위로 냉간압연하고 재결정온도 이상 730℃까지의 온도범위에서 연속소둔한 다음, 0.4~0.8% 연신율 범위로 조질압연하는 것을 포함하여 이루어지는 내스트레쳐 스트레인성이 우수한 가공용 석도원판에 제조방법에 관한 것을 그 요지로 한다.In the present invention for achieving the above object is a method for producing a stone plate, in weight%, C: 0.007% or less, Mn: 0.05 ~ 0.2%, S: 0.015% or less, acid value Al: 0.02 ~ 0.05%, N: 0.004%, Ti: 0.015 ~ 0.035%, Cr: 0.02 ~ 0.05%, Remainder: Aluminum-kilted steel ingots, which are composed of Fe and other unavoidable impurities, are hot rolled and wound in a temperature range of 600-700 ° C. Excellent stress-resistant strainability including cold rolling in the range of reduction rate of ~ 92%, continuous annealing in the temperature range from recrystallization temperature to 730 ° C, and temper rolling in the range of 0.4 ~ 0.8% elongation. The point regarding a manufacturing method is made into the summary.

Description

내스트레쳐 스트레인성이 우수한 가공용 석도원판의 제조방법Manufacturing method of fine stone disc for excellent strain resistance

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

제1도는 Ti함량 변화에 따른 강의 재결정 완료 온도거동을 나타낸 그래프.1 is a graph showing the recrystallization completion temperature behavior of steel according to the change of Ti content.

제2도는 Ti함량 변화에 따른 시효지수 및 소부후 항복점 연신변화를 나타낸 그래프.2 is a graph showing the aging index and the change in yield point elongation after firing according to the change of Ti content.

제3도는 냉간압하율 변화에 따른 가공성 변화를 나타낸 그래프.3 is a graph showing the change in workability according to the cold rolling rate change.

제4도는 조질압하율 변화에 따른 강의 항복강도 변화를 나타내는 그래프.4 is a graph showing the change in yield strength of steel according to the change in temper rolling pressure.

Claims (1)

석도원판의 제조방법에 있어서, 중량%로, C:0.007%이하, Mn:0.05~0.2%, S:0.015% 이하, 산가용 Al:0.02~0.05%, N:0.004%, Ti:0.015~0.035%, Cr:0.02~0.05%, 나머지:Fe 및 기타 불가피한 불순물로 조성되는 알루미늄 킬드강 강괴를 열간압연하여 600~700℃의 온도범위에서 권취한 후, 88~92%의 압하율 범위로 냉간압연하고 재결정온도 이상 730℃까지의 온도범위에서 연속소둔한 다음, 0.4~0.8% 연신율 범위로 조질압연하는 것을 포함하여 이루어지는 내스트레쳐 스트레인성이 우수한 가공용 석도원판에 제조방법.In the method for producing a stone disc, in weight%, C: 0.007% or less, Mn: 0.05 to 0.2%, S: 0.015% or less, acid value Al: 0.02 to 0.05%, N: 0.004%, Ti: 0.015 to 0.035 %, Cr: 0.02 ~ 0.05%, Remainder: Aluminum-kilted steel ingot, which is composed of Fe and other unavoidable impurities, is hot rolled and wound in the temperature range of 600 ~ 700 ℃, then cold rolled in the range of 88 ~ 92% And a continuous annealing in a temperature range from the recrystallization temperature to 730 ° C., followed by temper rolling in a 0.4-0.8% elongation range. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950051399A 1995-12-18 1995-12-18 The manufacturing method for tin plate steel sheet with excellent anti stretcher and strain property KR100240994B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950051399A KR100240994B1 (en) 1995-12-18 1995-12-18 The manufacturing method for tin plate steel sheet with excellent anti stretcher and strain property

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1019950051399A KR100240994B1 (en) 1995-12-18 1995-12-18 The manufacturing method for tin plate steel sheet with excellent anti stretcher and strain property
JP95-334646 1995-12-20

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KR970033130A true KR970033130A (en) 1997-07-22
KR100240994B1 KR100240994B1 (en) 2000-03-02

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100350070B1 (en) * 1997-12-29 2002-12-11 주식회사 포스코 Method and apparatus for manufacturing black plate by reduced process
KR100368255B1 (en) * 1998-10-20 2003-03-17 주식회사 포스코 A method of manufacturing blackplate with lower planar anisotropy
KR100435462B1 (en) * 1999-12-20 2004-06-10 주식회사 포스코 A method for manufacturing low aging index surface treatment blackpates for deep forming

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR960007425B1 (en) * 1993-12-22 1996-05-31 포항종합제철주식회사 Making method of soft surface treatment steel sheet

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100350070B1 (en) * 1997-12-29 2002-12-11 주식회사 포스코 Method and apparatus for manufacturing black plate by reduced process
KR100368255B1 (en) * 1998-10-20 2003-03-17 주식회사 포스코 A method of manufacturing blackplate with lower planar anisotropy
KR100435462B1 (en) * 1999-12-20 2004-06-10 주식회사 포스코 A method for manufacturing low aging index surface treatment blackpates for deep forming

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