JPS6473020A - Production of ni-cr stainless steel sheet having excellent strength and corrosion resistance - Google Patents

Production of ni-cr stainless steel sheet having excellent strength and corrosion resistance

Info

Publication number
JPS6473020A
JPS6473020A JP23076187A JP23076187A JPS6473020A JP S6473020 A JPS6473020 A JP S6473020A JP 23076187 A JP23076187 A JP 23076187A JP 23076187 A JP23076187 A JP 23076187A JP S6473020 A JPS6473020 A JP S6473020A
Authority
JP
Japan
Prior art keywords
temp
hot rolling
steel
stainless steel
cooled
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
JP23076187A
Other languages
Japanese (ja)
Other versions
JPH0545649B2 (en
Inventor
Akihiro Fukuda
Masanori Ueda
Yukihiro Kako
Masamitsu Tsuchinaga
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
Nippon Steel Corp
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 Nippon Steel Corp filed Critical Nippon Steel Corp
Priority to JP23076187A priority Critical patent/JPS6473020A/en
Publication of JPS6473020A publication Critical patent/JPS6473020A/en
Publication of JPH0545649B2 publication Critical patent/JPH0545649B2/ja
Granted 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
    • 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

Abstract

PURPOSE:To improve the strength and corrosion resistance of the titled sheet without subjecting the same to a soln. heat treatment to reheat the steel after hot rolling by specifically controlling the start conditions and cooling start temp. before the final pass of the hot rolling corresponding to the C content in the steel. CONSTITUTION:The Ni-Cr stainless steel ingot heated to a high temp. is subjected to the hot rolling of <=20% final pass draft at the time of the hot rolling while the start temp. of the final pass rolling is kept at the specific temp. in relation with the C content in the steel. The stainless steel sheet rolled to the product of a prescribed size after the end of the hot rolling in such a manner is cooled for >=10sec at <=5 deg.C/sec cooling rate to relief the strain on the surface of the steel sheet. The stainless steel to be slowly cooled next is cooled at >=2 deg.C/sec cooling rate down to 500 deg.C from the specific temp. in the relation of the temp. with the C content in the steel during the course of cooling and is further cooled at an arbitrary cooling rate.
JP23076187A 1987-09-14 1987-09-14 Production of ni-cr stainless steel sheet having excellent strength and corrosion resistance Granted JPS6473020A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP23076187A JPS6473020A (en) 1987-09-14 1987-09-14 Production of ni-cr stainless steel sheet having excellent strength and corrosion resistance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP23076187A JPS6473020A (en) 1987-09-14 1987-09-14 Production of ni-cr stainless steel sheet having excellent strength and corrosion resistance

Publications (2)

Publication Number Publication Date
JPS6473020A true JPS6473020A (en) 1989-03-17
JPH0545649B2 JPH0545649B2 (en) 1993-07-09

Family

ID=16912855

Family Applications (1)

Application Number Title Priority Date Filing Date
JP23076187A Granted JPS6473020A (en) 1987-09-14 1987-09-14 Production of ni-cr stainless steel sheet having excellent strength and corrosion resistance

Country Status (1)

Country Link
JP (1) JPS6473020A (en)

Also Published As

Publication number Publication date
JPH0545649B2 (en) 1993-07-09

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