JPH0146583B2 - - Google Patents
Info
- Publication number
- JPH0146583B2 JPH0146583B2 JP3178981A JP3178981A JPH0146583B2 JP H0146583 B2 JPH0146583 B2 JP H0146583B2 JP 3178981 A JP3178981 A JP 3178981A JP 3178981 A JP3178981 A JP 3178981A JP H0146583 B2 JPH0146583 B2 JP H0146583B2
- Authority
- JP
- Japan
- Prior art keywords
- steel
- bainite
- cooling rate
- area ratio
- 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
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 66
- 239000010959 steel Substances 0.000 claims description 66
- 229910001563 bainite Inorganic materials 0.000 claims description 38
- 238000001816 cooling Methods 0.000 claims description 25
- 239000002131 composite material Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 229910001568 polygonal ferrite Inorganic materials 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 238000005098 hot rolling Methods 0.000 claims description 6
- 229910052748 manganese Inorganic materials 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 229910052720 vanadium Inorganic materials 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 11
- 229910000859 α-Fe Inorganic materials 0.000 description 8
- 238000003466 welding Methods 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- 229910000734 martensite Inorganic materials 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 229910000885 Dual-phase steel Inorganic materials 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 229910001562 pearlite Inorganic materials 0.000 description 4
- 229910052761 rare earth metal Inorganic materials 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 239000011799 hole material Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 238000005728 strengthening Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000009661 fatigue test Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229910052758 niobium Inorganic materials 0.000 description 2
- 229910052726 zirconium Inorganic materials 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005261 decarburization Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Heat Treatment Of Sheet Steel (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3178981A JPS57145965A (en) | 1981-03-04 | 1981-03-04 | High strength hot rolled steel plate and its manufacture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3178981A JPS57145965A (en) | 1981-03-04 | 1981-03-04 | High strength hot rolled steel plate and its manufacture |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11953585A Division JPS6196057A (ja) | 1985-06-01 | 1985-06-01 | 高強度熱延鋼板 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57145965A JPS57145965A (en) | 1982-09-09 |
| JPH0146583B2 true JPH0146583B2 (hu) | 1989-10-09 |
Family
ID=12340824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3178981A Granted JPS57145965A (en) | 1981-03-04 | 1981-03-04 | High strength hot rolled steel plate and its manufacture |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57145965A (hu) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60184628A (ja) * | 1984-02-29 | 1985-09-20 | Nippon Steel Corp | 加工性に優れた高張力熱延鋼板の製造方法 |
| JPS6173829A (ja) * | 1984-09-17 | 1986-04-16 | Nippon Steel Corp | 超微細組織よりなる高張力鋼の製造方法 |
| KR100954201B1 (ko) * | 2007-12-24 | 2010-04-21 | 주식회사 포스코 | 강도 및 연성이 우수한 열연강판 및 그 제조방법 |
| JP5476735B2 (ja) * | 2009-02-20 | 2014-04-23 | Ｊｆｅスチール株式会社 | 加工性に優れた高強度熱延鋼板およびその製造方法 |
| CN104962807B (zh) * | 2015-07-10 | 2017-06-23 | 攀钢集团攀枝花钢铁研究院有限公司 | 一种高强度热轧钢及其制备方法和应用 |
-
1981
- 1981-03-04 JP JP3178981A patent/JPS57145965A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57145965A (en) | 1982-09-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4388122A (en) | Method of making high strength hot rolled steel sheet having excellent flash butt weldability, fatigue characteristic and formability | |
| JPH10509768A (ja) | 優れた靭性および溶接性を有する高強度二次硬化鋼 | |
| US20040118489A1 (en) | Dual phase hot rolled steel sheet having excellent formability and stretch flangeability | |
| JP6991219B2 (ja) | 溶接性に優れた電縫鋼管用熱延鋼板及びその製造方法 | |
| JPH0949026A (ja) | 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 | |
| JPS63286517A (ja) | 低降状比高張力鋼の製造方法 | |
| US6797078B2 (en) | Strip of hot rolled steel of very high strength, usable for shaping and particularly for stamping | |
| JPH028349A (ja) | 冷間加工性および溶接性に優れた引張り強さが５５Ｋｇｆ／ｍｍ↑２以上の高張力熱延鋼帯 | |
| JPH0248608B2 (hu) | ||
| JP7167159B2 (ja) | 電縫鋼管用熱延鋼板及びその製造方法、並びに電縫鋼管 | |
| JPH0133543B2 (hu) | ||
| JPH1180890A (ja) | 高強度熱延鋼板及びその製造方法 | |
| JPH0146583B2 (hu) | ||
| JPS6237089B2 (hu) | ||
| JPH0572460B2 (hu) | ||
| JP7244715B2 (ja) | 耐久性に優れた熱延鋼板及びその製造方法 | |
| KR101449137B1 (ko) | 용접성 및 하이드로포밍 가공성이 우수한 고강도 열연강판 및 그 제조방법 | |
| JPH0424418B2 (hu) | ||
| JPS602364B2 (ja) | 低温靭性にすぐれた非調質高張力鋼板の製造法 | |
| JPH0949065A (ja) | 伸びフランジ性にすぐれる耐摩耗用熱延鋼板及びその製造方法 | |
| KR100431847B1 (ko) | 페라이트 탈탄층을 이용한 고실리콘 첨가 중탄소 선재의제조방법 | |
| JPH0143005B2 (hu) | ||
| JPS6196057A (ja) | 高強度熱延鋼板 | |
| JPH0572461B2 (hu) | ||
| JPH02428B2 (hu) |