JPH0369979B2 - - Google Patents

Info

Publication number
JPH0369979B2
JPH0369979B2 JP2576788A JP2576788A JPH0369979B2 JP H0369979 B2 JPH0369979 B2 JP H0369979B2 JP 2576788 A JP2576788 A JP 2576788A JP 2576788 A JP2576788 A JP 2576788A JP H0369979 B2 JPH0369979 B2 JP H0369979B2
Authority
JP
Japan
Prior art keywords
temperature
strength
hot
rolled steel
less
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.)
Expired
Application number
JP2576788A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6479347A (en
Inventor
Koji Kishida
Osamu Akisue
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 JP2576788A priority Critical patent/JPS6479347A/ja
Priority to DE88906041T priority patent/DE3881002T2/de
Priority to US07/320,265 priority patent/US4925500A/en
Priority to EP88906041A priority patent/EP0322463B1/en
Priority to PCT/JP1988/000639 priority patent/WO1988010318A1/ja
Publication of JPS6479347A publication Critical patent/JPS6479347A/ja
Publication of JPH0369979B2 publication Critical patent/JPH0369979B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
JP2576788A 1987-06-26 1988-02-08 High strength hot rolled steel plate having drastically excellent cold workability and its manufacture Granted JPS6479347A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2576788A JPS6479347A (en) 1988-02-08 1988-02-08 High strength hot rolled steel plate having drastically excellent cold workability and its manufacture
DE88906041T DE3881002T2 (de) 1987-06-26 1988-06-27 Durch wärmrbehandlung härtbares warmgewalztes stahlfeinblech mit ausgezeichneter kaltverformbarkeit und verfahren zu seiner herstellung.
US07/320,265 US4925500A (en) 1987-06-26 1988-06-27 High-strength hot-rolled steel sheet having remarkably excellent cold workability and process for manufacturing the same
EP88906041A EP0322463B1 (en) 1987-06-26 1988-06-27 Heat treatment hardenable hot rolled steel sheet having excellent cold workability and process for its production
PCT/JP1988/000639 WO1988010318A1 (fr) 1987-06-26 1988-06-27 Feuille d'acier lamine a chaud de grande resistance, presentant une excellente aptitude a l'usinage a froid et procede de production

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2576788A JPS6479347A (en) 1988-02-08 1988-02-08 High strength hot rolled steel plate having drastically excellent cold workability and its manufacture

Publications (2)

Publication Number Publication Date
JPS6479347A JPS6479347A (en) 1989-03-24
JPH0369979B2 true JPH0369979B2 (enrdf_load_html_response) 1991-11-06

Family

ID=12174989

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2576788A Granted JPS6479347A (en) 1987-06-26 1988-02-08 High strength hot rolled steel plate having drastically excellent cold workability and its manufacture

Country Status (1)

Country Link
JP (1) JPS6479347A (enrdf_load_html_response)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0639616B2 (ja) * 1988-10-13 1994-05-25 住友金属工業株式会社 加工性に優れた熱延鋼板の製造方法
KR20020049920A (ko) * 2000-12-20 2002-06-26 이구택 에지부 표면결함이 없는 열연강판의 제조방법

Also Published As

Publication number Publication date
JPS6479347A (en) 1989-03-24

Similar Documents

Publication Publication Date Title
KR101594670B1 (ko) 연성이 우수한 고강도 냉연강판, 용융아연도금강판 및 이들의 제조방법
CN109328241B (zh) 屈服强度优异的超高强度高延展性钢板及其制造方法
US4961793A (en) High-strength cold-rolled steel sheet having high r value and process for manufacturing the same
JP3879440B2 (ja) 高強度冷延鋼板の製造方法
JP2000273577A (ja) 伸びフランジ加工性と材質安定性に優れた高張力熱延鋼板およびその製造方法
JP3422865B2 (ja) 高強度マルテンサイト系ステンレス鋼部材の製造方法
JP3280692B2 (ja) 深絞り用高強度冷延鋼板の製造方法
JPH055887B2 (enrdf_load_html_response)
JPH0369979B2 (enrdf_load_html_response)
JP3043519B2 (ja) 高強度熱延鋼板の製造方法
JP4507364B2 (ja) 高強度熱延鋼板の製造方法
JP3806958B2 (ja) 高張力熱延鋼板の製造方法
JP3299287B2 (ja) 成形加工用高強度鋼板とその製造方法
JP2618563B2 (ja) 溶接熱影響部の軟化しにくい高強度電縫鋼管およびその製造方法
JP2002105540A (ja) 高強度熱延鋼板の製造方法
JPH02145747A (ja) 深絞り用熱延鋼板及びその製造方法
JPH0320407A (ja) 高強度冷間圧延鋼板の粒界酸化防止方法
JP2003013176A (ja) プレス成形性と歪時効硬化特性に優れた高延性冷延鋼板およびその製造方法
KR100544737B1 (ko) 성형성이 우수한 연질 표면처리원판과 그 제조 방법
JPS61157660A (ja) 深絞り用非時効性冷延鋼板およびその製造法
JP2002121646A (ja) コイル内材質変動の少ない高加工性高強度熱延鋼板及びその製造方法。
JPS6259166B2 (enrdf_load_html_response)
JPS5935414B2 (ja) 溶接性の優れた高強度鋼の製造方法
JPH05247588A (ja) 延性の優れたCr系超高張力電縫鋼管
JPH06179944A (ja) 延性の優れたCr系超高張力電縫鋼管

Legal Events

Date Code Title Description
FPAY Renewal fee payment (prs date is renewal date of database)

Year of fee payment: 16

Free format text: PAYMENT UNTIL: 20071106

FPAY Renewal fee payment (prs date is renewal date of database)

Year of fee payment: 17

Free format text: PAYMENT UNTIL: 20081106

EXPY Cancellation because of completion of term
FPAY Renewal fee payment (prs date is renewal date of database)

Free format text: PAYMENT UNTIL: 20081106

Year of fee payment: 17