JPH025812B2 - - Google Patents

Info

Publication number: JPH025812B2
Authority: JP; Japan
Prior art keywords: weight; less; temperature; transformation point; holding temperature
Prior art date: 1981-01-26
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

JP1053981A

Other languages

English (en)

Japanese (ja)

Other versions

JPS57123956A (en

Inventor

Masatoshi Sudo

Hiroshi Hori

Zenichi Shibata

Ichiro Tsukatani

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.)

1981-01-26

Filing date

1981-01-26

Publication date

1990-02-06

1981-01-26 Application filed by Kobe Steel Ltd filed Critical Kobe Steel Ltd

1981-01-26 Priority to JP1053981A priority Critical patent/JPS57123956A/ja

1982-01-26 Priority to US06/342,841 priority patent/US4426235A/en

1982-08-02 Publication of JPS57123956A publication Critical patent/JPS57123956A/ja

1990-02-06 Publication of JPH025812B2 publication Critical patent/JPH025812B2/ja

Status Granted legal-status Critical Current

Links

229910000831 Steel Inorganic materials 0.000 claims description 27
238000010438 heat treatment Methods 0.000 claims description 27
239000010959 steel Substances 0.000 claims description 27
229910001563 bainite Inorganic materials 0.000 claims description 26
229910000859 α-Fe Inorganic materials 0.000 claims description 21
238000001816 cooling Methods 0.000 claims description 16
230000009466 transformation Effects 0.000 claims description 16
239000010960 cold rolled steel Substances 0.000 claims description 15
238000000034 method Methods 0.000 claims description 14
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
238000000137 annealing Methods 0.000 claims description 8
239000012535 impurity Substances 0.000 claims description 7
238000004519 manufacturing process Methods 0.000 claims description 7
229910052742 iron Inorganic materials 0.000 claims description 5
238000001953 recrystallisation Methods 0.000 claims description 5
238000010583 slow cooling Methods 0.000 claims description 4
230000001105 regulatory effect Effects 0.000 claims description 2
238000005097 cold rolling Methods 0.000 claims 3
229910000734 martensite Inorganic materials 0.000 description 15
230000008569 process Effects 0.000 description 9
229910001566 austenite Inorganic materials 0.000 description 6
239000002131 composite material Substances 0.000 description 5
238000010586 diagram Methods 0.000 description 5
230000000694 effects Effects 0.000 description 5
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
229910052799 carbon Inorganic materials 0.000 description 4
230000007704 transition Effects 0.000 description 4
229910000885 Dual-phase steel Inorganic materials 0.000 description 3
239000000203 mixture Substances 0.000 description 3
229910000655 Killed steel Inorganic materials 0.000 description 2
230000015572 biosynthetic process Effects 0.000 description 2
239000000463 material Substances 0.000 description 2
238000002844 melting Methods 0.000 description 2
230000008018 melting Effects 0.000 description 2
238000010791 quenching Methods 0.000 description 2
230000000171 quenching effect Effects 0.000 description 2
238000005096 rolling process Methods 0.000 description 2
239000006104 solid solution Substances 0.000 description 2
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
RQMIWLMVTCKXAQ-UHFFFAOYSA-N [AlH3].[C] Chemical compound [AlH3].[C] RQMIWLMVTCKXAQ-UHFFFAOYSA-N 0.000 description 1
230000032683 aging Effects 0.000 description 1
229910052782 aluminium Inorganic materials 0.000 description 1
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical group [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
230000008901 benefit Effects 0.000 description 1
238000009835 boiling Methods 0.000 description 1
229910001567 cementite Inorganic materials 0.000 description 1
239000012141 concentrate Substances 0.000 description 1
230000007547 defect Effects 0.000 description 1
230000006866 deterioration Effects 0.000 description 1
230000009977 dual effect Effects 0.000 description 1
238000002474 experimental method Methods 0.000 description 1
239000000446 fuel Substances 0.000 description 1
239000007789 gas Substances 0.000 description 1
238000007654 immersion Methods 0.000 description 1
238000002347 injection Methods 0.000 description 1
239000007924 injection Substances 0.000 description 1
238000011835 investigation Methods 0.000 description 1
KSOKAHYVTMZFBJ-UHFFFAOYSA-N iron;methane Chemical compound C.[Fe].[Fe].[Fe] KSOKAHYVTMZFBJ-UHFFFAOYSA-N 0.000 description 1
238000005259 measurement Methods 0.000 description 1
150000001247 metal acetylides Chemical class 0.000 description 1
238000012986 modification Methods 0.000 description 1
230000004048 modification Effects 0.000 description 1
229910001562 pearlite Inorganic materials 0.000 description 1
229910001568 polygonal ferrite Inorganic materials 0.000 description 1
230000001737 promoting effect Effects 0.000 description 1
238000011160 research Methods 0.000 description 1
230000035939 shock Effects 0.000 description 1
239000007787 solid Substances 0.000 description 1
230000000087 stabilizing effect Effects 0.000 description 1
238000005728 strengthening Methods 0.000 description 1
239000000126 substance Substances 0.000 description 1
238000012360 testing method Methods 0.000 description 1
230000001131 transforming effect Effects 0.000 description 1
238000011282 treatment Methods 0.000 description 1
238000003466 welding Methods 0.000 description 1
230000037303 wrinkles Effects 0.000 description 1

Landscapes

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

JP1053981A 1981-01-26 1981-01-26 High-strength cold-rolled steel plate and its manufacture Granted JPS57123956A (en)

Priority Applications (2)

Application Number	Priority Date	Filing Date	Title
JP1053981A JPS57123956A (en)	1981-01-26	1981-01-26	High-strength cold-rolled steel plate and its manufacture
US06/342,841 US4426235A (en)	1981-01-26	1982-01-26	Cold-rolled high strength steel plate with composite steel structure of high r-value and method for producing same

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP1053981A JPS57123956A (en)	1981-01-26	1981-01-26	High-strength cold-rolled steel plate and its manufacture

Publications (2)

Publication Number	Publication Date
JPS57123956A JPS57123956A (en)	1982-08-02
JPH025812B2 true JPH025812B2 (fr)	1990-02-06

Family

ID=11753060

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP1053981A Granted JPS57123956A (en)	1981-01-26	1981-01-26	High-strength cold-rolled steel plate and its manufacture

Country Status (1)

Country	Link
JP (1)	JPS57123956A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS6156264A (ja) *	1984-08-24	1986-03-20	Kobe Steel Ltd	高強度高延性極細鋼線
JPS60152655A (ja) *	1984-01-20	1985-08-10	Kobe Steel Ltd	強加工性のすぐれた高強度低炭素鋼材
JPS60152654A (ja) *	1984-01-20	1985-08-10	Kobe Steel Ltd	耐水素割れ特性にすぐれた高強度高延靭性鋼材の製造方法
JPS6250436A (ja) *	1985-08-29	1987-03-05	Kobe Steel Ltd	冷間伸線性にすぐれた低炭素鋼線材
JP5329979B2 (ja) *	2009-01-05	2013-10-30	株式会社神戸製鋼所	伸びと伸びフランジ性のバランスに優れた高強度冷延鋼板

1981
- 1981-01-26 JP JP1053981A patent/JPS57123956A/ja active Granted

Also Published As

Publication number	Publication date
JPS57123956A (en)	1982-08-02

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