JPH0572460B2 - - Google Patents
Info
- Publication number
- JPH0572460B2 JPH0572460B2 JP9037039A JP3703990A JPH0572460B2 JP H0572460 B2 JPH0572460 B2 JP H0572460B2 JP 9037039 A JP9037039 A JP 9037039A JP 3703990 A JP3703990 A JP 3703990A JP H0572460 B2 JPH0572460 B2 JP H0572460B2
- Authority
- JP
- Japan
- Prior art keywords
- martensite
- bainite
- area ratio
- less
- ferrite
- 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 - Lifetime
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 Sheet Steel (AREA)
- Heat Treatment Of Steel (AREA)
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 (it) | 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 (it) |
Cited By (2)
| 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)
| 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 |
| EP0666332A4 (en) * | 1993-08-04 | 1995-12-13 | Nippon Steel Corp | HIGH TENSILE STRENGTH, FATIGUE RESISTANCE AND HIGHER WELDING ABILITY AND METHOD OF MANUFACTURE. |
| 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 |
| CN102549189B (zh) * | 2009-09-30 | 2013-11-27 | 杰富意钢铁株式会社 | 具有低屈服比、高强度以及高韧性的钢板及其制造方法 |
-
1990
- 1990-02-16 JP JP2037039A patent/JPH03264645A/ja active Granted
Cited By (3)
| 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 |
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