JPH0572460B2 - - Google Patents

Info

Publication number: JPH0572460B2
Authority: JP; Japan
Prior art keywords: martensite; bainite; area ratio; less; ferrite
Prior art date: 1982-03-29
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 - Lifetime

Application number

JP9037039A

Other languages

English (en)

Japanese (ja)

Other versions

JPH03264645A (ja

Inventor

Masatoshi Sudo

Takafusa Iwai

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.)

Kobe Steel Ltd

Original Assignee

Kobe Steel Ltd

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.)

1982-03-29

Filing date

1990-02-16

Publication date

1993-10-12

1982-03-29 Priority claimed from JP5190782A external-priority patent/JPS58167750A/ja

1990-02-16 Application filed by Kobe Steel Ltd filed Critical Kobe Steel Ltd

1990-02-16 Priority to JP2037039A priority Critical patent/JPH03264645A/ja

1991-11-25 Publication of JPH03264645A publication Critical patent/JPH03264645A/ja

1993-10-12 Publication of JPH0572460B2 publication Critical patent/JPH0572460B2/ja

Status Granted legal-status Critical Current

Links

229910000734 martensite Inorganic materials 0.000 claims description 66
229910001563 bainite Inorganic materials 0.000 claims description 43
229910000831 Steel Inorganic materials 0.000 claims description 40
239000010959 steel Substances 0.000 claims description 40
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
229910001568 polygonal ferrite Inorganic materials 0.000 claims description 10
239000012535 impurity Substances 0.000 claims description 5
229910052742 iron Inorganic materials 0.000 claims description 5
230000001105 regulatory effect Effects 0.000 claims description 5
229910052761 rare earth metal Inorganic materials 0.000 claims description 4
238000001816 cooling Methods 0.000 description 25
229910001566 austenite Inorganic materials 0.000 description 23
229910000859 α-Fe Inorganic materials 0.000 description 16
230000000694 effects Effects 0.000 description 12
238000000034 method Methods 0.000 description 11
238000004804 winding Methods 0.000 description 11
239000002131 composite material Substances 0.000 description 10
238000000137 annealing Methods 0.000 description 9
239000000463 material Substances 0.000 description 8
238000010438 heat treatment Methods 0.000 description 6
229910001562 pearlite Inorganic materials 0.000 description 6
238000003466 welding Methods 0.000 description 6
238000005098 hot rolling Methods 0.000 description 5
230000009466 transformation Effects 0.000 description 5
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
229910000885 Dual-phase steel Inorganic materials 0.000 description 3
229910052799 carbon Inorganic materials 0.000 description 3
239000010960 cold rolled steel Substances 0.000 description 3
238000002347 injection Methods 0.000 description 3
239000007924 injection Substances 0.000 description 3
238000005096 rolling process Methods 0.000 description 3
239000000126 substance Substances 0.000 description 3
230000015572 biosynthetic process Effects 0.000 description 2
239000000446 fuel Substances 0.000 description 2
238000004519 manufacturing process Methods 0.000 description 2
239000000203 mixture Substances 0.000 description 2
238000000465 moulding Methods 0.000 description 2
239000002245 particle Substances 0.000 description 2
238000005728 strengthening Methods 0.000 description 2
229910000838 Al alloy Inorganic materials 0.000 description 1
UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
239000003795 chemical substances by application Substances 0.000 description 1
230000003749 cleanliness Effects 0.000 description 1
238000007796 conventional method Methods 0.000 description 1
238000005336 cracking Methods 0.000 description 1
230000002950 deficient Effects 0.000 description 1
230000006866 deterioration Effects 0.000 description 1
238000009661 fatigue test Methods 0.000 description 1
239000010419 fine particle Substances 0.000 description 1
230000001771 impaired effect Effects 0.000 description 1
238000002844 melting Methods 0.000 description 1
230000008018 melting Effects 0.000 description 1
230000003014 reinforcing effect Effects 0.000 description 1
230000000717 retained effect Effects 0.000 description 1
239000000523 sample Substances 0.000 description 1
229920006395 saturated elastomer Polymers 0.000 description 1
238000010583 slow cooling Methods 0.000 description 1
239000006104 solid solution Substances 0.000 description 1
-1 that is Inorganic materials 0.000 description 1
230000007704 transition Effects 0.000 description 1

Landscapes

Heat Treatment Of Steel (AREA)
Heat Treatment Of Sheet Steel (AREA)

JP2037039A 1982-03-29 1990-02-16 伸びフランジ性等にすぐれた高強度鋼板 Granted JPH03264645A (ja)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
JP2037039A JPH03264645A (ja)	1982-03-29	1990-02-16	伸びフランジ性等にすぐれた高強度鋼板

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP5190782A JPS58167750A (ja)	1982-03-29	1982-03-29	伸びフランジ性等にすぐれた高強度鋼板
JP2037039A JPH03264645A (ja)	1982-03-29	1990-02-16	伸びフランジ性等にすぐれた高強度鋼板

Related Parent Applications (1)

Application Number	Title	Priority Date	Filing Date
JP5190782A Division JPS58167750A (ja)	1982-03-29	1982-03-29	伸びフランジ性等にすぐれた高強度鋼板

Publications (2)

Publication Number	Publication Date
JPH03264645A JPH03264645A (ja)	1991-11-25
JPH0572460B2 true JPH0572460B2 (zh)	1993-10-12

Family

ID=26376140

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP2037039A Granted JPH03264645A (ja)	1982-03-29	1990-02-16	伸びフランジ性等にすぐれた高強度鋼板

Country Status (1)

Country	Link
JP (1)	JPH03264645A (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2009099251A1 (ja)	2008-02-08	2009-08-13	Jfe Steel Corporation	加工性に優れた高強度溶融亜鉛めっき鋼板およびその製造方法
CN107614727A (zh) *	2015-05-26	2018-01-19	新日铁住金株式会社	钢板及其制造方法

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2640065B2 (ja) *	1992-08-11	1997-08-13	株式会社神戸製鋼所	加工性の良好な７３０Ｎ／ｍｍ２以上の強度を有する高強度熱延鋼板とその製造方法
US5634988A (en) *	1993-03-25	1997-06-03	Nippon Steel Corporation	High tensile steel having excellent fatigue strength at its weld and weldability and process for producing the same
KR0157540B1 (ko) *	1993-08-04	1998-11-16	미노루 다나까	용접부의 피로강도와 용접성이 뛰어난 고장력강 및 그 제조방법
DE19936151A1 (de) *	1999-07-31	2001-02-08	Thyssenkrupp Stahl Ag	Höherfestes Stahlband oder -blech und Verfahren zu seiner Herstellung
JP4235030B2 (ja)	2003-05-21	2009-03-04	新日本製鐵株式会社	局部成形性に優れ溶接部の硬さ上昇を抑制した引張強さが７８０ＭＰａ以上の高強度冷延鋼板および高強度表面処理鋼板
EP2484792B1 (en) *	2009-09-30	2016-07-13	JFE Steel Corporation	Steel plate with low yield ratio, high strength, and high toughness and process for producing same

1990
- 1990-02-16 JP JP2037039A patent/JPH03264645A/ja active Granted

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2009099251A1 (ja)	2008-02-08	2009-08-13	Jfe Steel Corporation	加工性に優れた高強度溶融亜鉛めっき鋼板およびその製造方法
CN107614727A (zh) *	2015-05-26	2018-01-19	新日铁住金株式会社	钢板及其制造方法
CN107614727B (zh) *	2015-05-26	2020-01-14	日本制铁株式会社	钢板及其制造方法

Also Published As

Publication number	Publication date
JPH03264645A (ja)	1991-11-25

Publication	Publication Date	Title
CA3047945C (en)	2023-09-19	Tempered and coated steel sheet having excellent formability and a method of manufacturing the same
US11466335B2 (en)	2022-10-11	High strength steel sheet having excellent formability and a method of manufacturing the steel sheet
US11655516B2 (en)	2023-05-23	Tempered and coated steel sheet having excellent formability and a method of manufacturing the same
US4501626A (en)	1985-02-26	High strength steel plate and method for manufacturing same
KR20120114411A (ko)	2012-10-16	연성이 우수한 고강도 강 시트의 제조 방법 및 그 제조 방법에 의해 제조된 시트
KR20190110562A (ko)	2019-09-30	주로 베이나이트 미세조직을 갖는 복합조직상 강으로 구성된 열연 평탄형 강 제품 및 이러한 평탄형 강 제품을 제조하는 방법
US20200407817A1 (en)	2020-12-31	Cold rolled and heat treated steel sheet and a method of manufacturing thereof
JPS6155572B2 (zh)	1986-11-28
JPH0949026A (ja)	1997-02-18	強度−伸びバランス及び伸びフランジ性にすぐれる高強度熱延鋼板の製造方法
JPS605647B2 (ja)	1985-02-13	低温靭性と溶接性に優れたボロン含有非調質高張力鋼の製造方法
JPS63286517A (ja)	1988-11-24	低降状比高張力鋼の製造方法
JPH0572460B2 (zh)	1993-10-12
JPH0133543B2 (zh)	1989-07-13
JPH0424418B2 (zh)	1992-04-27
JPH0248608B2 (zh)	1990-10-25
JPS6293006A (ja)	1987-04-28	高強度熱延鋼板の製造法
JPH0572461B2 (zh)	1993-10-12
JPS6237089B2 (zh)	1987-08-11
JP3539545B2 (ja)	2004-07-07	バーリング性に優れた高張力鋼板およびその製造方法
JPH0143005B2 (zh)	1989-09-18
JPH0572462B2 (zh)	1993-10-12
JPH0146583B2 (zh)	1989-10-09
JPH02428B2 (zh)	1990-01-08
KR970009089B1 (ko)	1997-06-05	잔류오스테나이트를 다량 함유한 고연성 고강도 열연강판 및 그 제조방법
JPS6196030A (ja)	1986-05-14	耐水素誘起割れ性及び耐応力腐食割れ性にすぐれた高強度高靭性熱延鋼板の製造方法