JPH03264646A - 伸びフランジ性等にすぐれた高強度鋼板 - Google Patents
伸びフランジ性等にすぐれた高強度鋼板Info
- Publication number
- JPH03264646A JPH03264646A JP3704090A JP3704090A JPH03264646A JP H03264646 A JPH03264646 A JP H03264646A JP 3704090 A JP3704090 A JP 3704090A JP 3704090 A JP3704090 A JP 3704090A JP H03264646 A JPH03264646 A JP H03264646A
- Authority
- JP
- Japan
- Prior art keywords
- martensite
- area ratio
- bainite
- strength 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.)
- Granted
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 35
- 239000010959 steel Substances 0.000 title claims abstract description 35
- 229910000734 martensite Inorganic materials 0.000 claims abstract description 39
- 229910001563 bainite Inorganic materials 0.000 claims abstract description 27
- 229910001568 polygonal ferrite Inorganic materials 0.000 claims abstract description 10
- 230000001105 regulatory effect Effects 0.000 claims abstract description 6
- 239000012535 impurity Substances 0.000 claims abstract description 5
- 229910052742 iron Inorganic materials 0.000 claims abstract description 5
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 239000002131 composite material Substances 0.000 abstract description 7
- 238000000137 annealing Methods 0.000 abstract description 4
- 238000005096 rolling process Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 13
- 229910000859 α-Fe Inorganic materials 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 238000003466 welding Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000005098 hot rolling Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 239000010960 cold rolled steel Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000009661 fatigue test Methods 0.000 description 1
- 238000010438 heat treatment Methods 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
- 238000007670 refining Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Heat Treatment Of Steel (AREA)
- Heat Treatment Of Sheet Steel (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3704090A JPH03264646A (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 |
JP3704090A JPH03264646A (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 |
---|---|
JPH03264646A true JPH03264646A (ja) | 1991-11-25 |
JPH0572461B2 JPH0572461B2 (en, 2012) | 1993-10-12 |
Family
ID=26376142
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3704090A Granted JPH03264646A (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) | JPH03264646A (en, 2012) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6428631B1 (en) | 1998-07-16 | 2002-08-06 | Nippon Steel Corporation | High-strength steel sheet having excellent formality and resistance to softening of the heat affected zone after welding |
JP2010065316A (ja) * | 2008-08-12 | 2010-03-25 | Kobe Steel Ltd | 加工性に優れた高強度鋼板 |
EP2484792A4 (en) * | 2009-09-30 | 2013-03-06 | Jfe Steel Corp | STEEL PLATE HAVING A LOW ELASTICITY COEFFICIENT, HIGH STRENGTH, HIGH PERFORMANCE, AND MANUFACTURING METHOD THEREOF |
JP2015096644A (ja) * | 2013-11-15 | 2015-05-21 | 新日鐵住金株式会社 | 高張力熱延鋼板及びその製造方法 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4894863B2 (ja) | 2008-02-08 | 2012-03-14 | Jfeスチール株式会社 | 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 |
-
1990
- 1990-02-16 JP JP3704090A patent/JPH03264646A/ja active Granted
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6428631B1 (en) | 1998-07-16 | 2002-08-06 | Nippon Steel Corporation | High-strength steel sheet having excellent formality and resistance to softening of the heat affected zone after welding |
JP2010065316A (ja) * | 2008-08-12 | 2010-03-25 | Kobe Steel Ltd | 加工性に優れた高強度鋼板 |
EP2484792A4 (en) * | 2009-09-30 | 2013-03-06 | Jfe Steel Corp | STEEL PLATE HAVING A LOW ELASTICITY COEFFICIENT, HIGH STRENGTH, HIGH PERFORMANCE, AND MANUFACTURING METHOD THEREOF |
US8778096B2 (en) | 2009-09-30 | 2014-07-15 | Jfe Steel Corporation | Low yield ratio, high strength and high toughness steel plate and method for manufacturing the same |
JP2015096644A (ja) * | 2013-11-15 | 2015-05-21 | 新日鐵住金株式会社 | 高張力熱延鋼板及びその製造方法 |
Also Published As
Publication number | Publication date |
---|---|
JPH0572461B2 (en, 2012) | 1993-10-12 |
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