KR920011593A - Manufacturing method of low alloy stainless cold rolled steel sheet with high strength and nonmagnetic - Google Patents

Manufacturing method of low alloy stainless cold rolled steel sheet with high strength and nonmagnetic Download PDF

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Publication number
KR920011593A
KR920011593A KR1019900022657A KR900022657A KR920011593A KR 920011593 A KR920011593 A KR 920011593A KR 1019900022657 A KR1019900022657 A KR 1019900022657A KR 900022657 A KR900022657 A KR 900022657A KR 920011593 A KR920011593 A KR 920011593A
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KR
South Korea
Prior art keywords
nonmagnetic
high strength
steel sheet
rolled steel
cold rolled
Prior art date
Application number
KR1019900022657A
Other languages
Korean (ko)
Other versions
KR920008689B1 (en
Inventor
권오준
이영국
Original Assignee
정명식
포항종합제철 주식회사
백덕현
재단법인 산업과학기술연구소
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 정명식, 포항종합제철 주식회사, 백덕현, 재단법인 산업과학기술연구소 filed Critical 정명식
Priority to KR1019900022657A priority Critical patent/KR920008689B1/en
Publication of KR920011593A publication Critical patent/KR920011593A/en
Application granted granted Critical
Publication of KR920008689B1 publication Critical patent/KR920008689B1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
    • B21B3/02—Rolling special iron alloys, e.g. stainless steel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • B21B37/74—Temperature control, e.g. by cooling or heating the rolls or the product
    • 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
    • C21D8/0205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips 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
    • 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
    • C21D8/0226—Hot 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium

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

Abstract

내용 없음No content

Description

고강도와 비자성을 갖는 저합금 스텐레스 냉연강판 제조방법Manufacturing method of low alloy stainless cold rolled steel sheet with high strength and nonmagnetic

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

제1도는 본 발명 및 비교가의 냉간가공도에 따른 마르텐사이트량을 나타낸 비교도, 제2도는 본 발명 및 비교강의 소둔시간에 따른 마르텐사이트의 량을 나타낸 비교도.1 is a comparative diagram showing the amount of martensite according to the cold working degree of the present invention and the comparative price, and FIG. 2 is a comparative diagram showing the amount of martensite according to the annealing time of the present invention and comparative steel.

Claims (1)

C≤0.02wt%, 13-16wt%Cr, 7-9wt%Ni, Si≤0.05wt%, Mn≤0.15wt% 및 기타 불가피한 불순원소 및 Fe가 함유되어 있는 강을 열간압연하여 25%이하의 비열탄성 마르텐사이트를 함유시킨 후 상온에서 60%이상 냉간가공한 뒤, 마르텐사이트/오스테나이트 역번태 온도(700-800℃)직상에서 30-60초 정도 수둔시킴을 특징으로 하는 고강도와 비자성을 갖는 저합금 오스테나이트 스텐레스 냉연강판의 제조방법.Specific heat below 25% by hot rolling of steel containing C≤0.02wt%, 13-16wt% Cr, 7-9wt% Ni, Si≤0.05wt%, Mn≤0.15wt% and other unavoidable impurities and Fe After containing the elastic martensite and cold working at room temperature more than 60%, and then annealed for 30-60 seconds directly above the martensite / austenite reverse temperature (700-800 ℃) has a high strength and nonmagnetic Process for producing low alloy austenitic stainless cold rolled steel sheet. ※참고사항：최초출원 내용에 의하여 공개하는 것임.※ Note: It is to be disclosed based on the first application.
KR1019900022657A 1990-12-31 1990-12-31 Making process for stainless steel plates KR920008689B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019900022657A KR920008689B1 (en) 1990-12-31 1990-12-31 Making process for stainless steel plates

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019900022657A KR920008689B1 (en) 1990-12-31 1990-12-31 Making process for stainless steel plates

Publications (2)

Publication Number Publication Date
KR920011593A true KR920011593A (en) 1992-07-24
KR920008689B1 KR920008689B1 (en) 1992-10-08

Family

ID=19309129

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900022657A KR920008689B1 (en) 1990-12-31 1990-12-31 Making process for stainless steel plates

Country Status (1)

Country Link
KR (1) KR920008689B1 (en)

Also Published As

Publication number Publication date
KR920008689B1 (en) 1992-10-08

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