JPS6155572B2 - - Google Patents
Info
- Publication number
- JPS6155572B2 JPS6155572B2 JP56018167A JP1816781A JPS6155572B2 JP S6155572 B2 JPS6155572 B2 JP S6155572B2 JP 56018167 A JP56018167 A JP 56018167A JP 1816781 A JP1816781 A JP 1816781A JP S6155572 B2 JPS6155572 B2 JP S6155572B2
- Authority
- JP
- Japan
- Prior art keywords
- less
- toughness
- rolling
- temperature
- cooling
- 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 49
- 238000001816 cooling Methods 0.000 claims description 49
- 239000010959 steel Substances 0.000 claims description 49
- 238000005096 rolling process Methods 0.000 claims description 39
- 229910001566 austenite Inorganic materials 0.000 claims description 23
- 230000009467 reduction Effects 0.000 claims description 22
- 230000001186 cumulative effect Effects 0.000 claims description 17
- 229910000734 martensite Inorganic materials 0.000 claims description 17
- 229910001563 bainite Inorganic materials 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 claims description 13
- 238000001953 recrystallisation Methods 0.000 claims description 11
- 239000006104 solid solution Substances 0.000 claims description 10
- 229910000859 α-Fe Inorganic materials 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 description 13
- 230000000694 effects Effects 0.000 description 10
- 239000000203 mixture Substances 0.000 description 8
- 238000007796 conventional method Methods 0.000 description 4
- 229910001562 pearlite Inorganic materials 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005496 tempering Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000002542 deteriorative effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000010953 base metal Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000001493 electron microscopy Methods 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 238000009863 impact test Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
Landscapes
- Heat Treatment Of Steel (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1816781A JPS57134514A (en) | 1981-02-12 | 1981-02-12 | Production of high-tensile steel of superior low- temperature toughness and weldability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1816781A JPS57134514A (en) | 1981-02-12 | 1981-02-12 | Production of high-tensile steel of superior low- temperature toughness and weldability |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57134514A JPS57134514A (en) | 1982-08-19 |
| JPS6155572B2 true JPS6155572B2 (xx) | 1986-11-28 |
Family
ID=11964044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1816781A Granted JPS57134514A (en) | 1981-02-12 | 1981-02-12 | Production of high-tensile steel of superior low- temperature toughness and weldability |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57134514A (xx) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59110726A (ja) * | 1982-12-17 | 1984-06-26 | Nippon Kokan Kk <Nkk> | 亀裂先端開口変位量の優れた含Ｎｉ低温用鋼の製造方法 |
| JPS6013021A (ja) * | 1983-06-30 | 1985-01-23 | Nippon Steel Corp | 高降伏点鋼材の製造方法 |
| JPH0615690B2 (ja) * | 1984-11-12 | 1994-03-02 | 川崎製鉄株式会社 | 溶接性および低温靭性が優れ高い降伏点を有する非調質高張力鋼の製造方法 |
| JPS63128117A (ja) * | 1986-11-17 | 1988-05-31 | Kawasaki Steel Corp | 非調質高張力鋼の製造方法 |
| JPH0776377B2 (ja) * | 1987-03-11 | 1995-08-16 | 新日本製鐵株式会社 | 低温靭性の優れた高強度厚鋼板の製造法 |
| JPS63235431A (ja) * | 1987-03-24 | 1988-09-30 | Nippon Steel Corp | 強度、靭性に優れ音響異方性の小さい鋼板の製造法 |
| JPH066743B2 (ja) * | 1987-12-16 | 1994-01-26 | 住友金属工業株式会社 | 高強度極厚鋼の製造方法 |
| US5545269A (en) * | 1994-12-06 | 1996-08-13 | Exxon Research And Engineering Company | Method for producing ultra high strength, secondary hardening steels with superior toughness and weldability |
| JPH10237583A (ja) | 1997-02-27 | 1998-09-08 | Sumitomo Metal Ind Ltd | 高張力鋼およびその製造方法 |
| ATE330040T1 (de) * | 1997-07-28 | 2006-07-15 | Exxonmobil Upstream Res Co | Ultrahochfeste, schweissbare stähle mit ausgezeichneter ultra-tief-temperatur zähigkeit |
| US6228183B1 (en) | 1997-07-28 | 2001-05-08 | Exxonmobil Upstream Research Company | Ultra-high strength, weldable, boron-containing steels with superior toughness |
| KR100375085B1 (ko) * | 1997-07-28 | 2003-03-07 | 닛폰 스틸 가부시키가이샤 | 인성이 우수하고 본질적으로 붕소를 함유하지 않는초고강도 용접성 강 |
| DE69836549T2 (de) | 1997-07-28 | 2007-09-13 | Exxonmobil Upstream Research Co., Houston | Herstellungsverfahren für ultra-hochfeste, schweissbare stähle mit ausgezeichneter zähigkeit |
| KR100450613B1 (ko) * | 1999-12-28 | 2004-09-30 | 주식회사 포스코 | 충격인성이 우수한 후판용접용 선재의 제조방법 |
| KR100482188B1 (ko) * | 2000-11-28 | 2005-04-21 | 주식회사 포스코 | 재결정제어압연에 의한 고강도 용접구조용 강재의 제조방법 |
| RU2447163C1 (ru) * | 2010-08-10 | 2012-04-10 | Общество С Ограниченной Ответственностью "Исследовательско-Технологический Центр "Аусферр" | Способ термической обработки изделий из сплавов на основе железа (варианты) |
| CN103014554B (zh) | 2011-09-26 | 2014-12-03 | 宝山钢铁股份有限公司 | 一种低屈强比高韧性钢板及其制造方法 |
| CN103014539B (zh) | 2011-09-26 | 2015-10-28 | 宝山钢铁股份有限公司 | 一种屈服强度700MPa级高强度高韧性钢板及其制造方法 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5397922A (en) * | 1977-02-08 | 1978-08-26 | Nippon Kokan Kk <Nkk> | Manufacture of non-refined high tensile steel |
| JPS5468719A (en) * | 1977-11-10 | 1979-06-02 | Kawasaki Steel Co | Production of nonthermal refining high tensile steel plate with excellent low temperature flexibility |
| JPS5530047A (en) * | 1978-08-22 | 1980-03-03 | Hitachi Zosen Corp | Wave dissipation revetment |
| JPS5621810A (en) * | 1979-07-31 | 1981-02-28 | Matsushita Electric Ind Co Ltd | Manufacture of anisotropic oxide sintered body |
| JPS56119723A (en) * | 1980-02-25 | 1981-09-19 | Kawasaki Steel Corp | Manufacture of nonrefined high tensile steel with superior low temperature toughness |
| JPS5776126A (en) * | 1980-10-30 | 1982-05-13 | Nippon Steel Corp | Manufacture of tough steel |
-
1981
- 1981-02-12 JP JP1816781A patent/JPS57134514A/ja active Granted
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5397922A (en) * | 1977-02-08 | 1978-08-26 | Nippon Kokan Kk <Nkk> | Manufacture of non-refined high tensile steel |
| JPS5468719A (en) * | 1977-11-10 | 1979-06-02 | Kawasaki Steel Co | Production of nonthermal refining high tensile steel plate with excellent low temperature flexibility |
| JPS5530047A (en) * | 1978-08-22 | 1980-03-03 | Hitachi Zosen Corp | Wave dissipation revetment |
| JPS5621810A (en) * | 1979-07-31 | 1981-02-28 | Matsushita Electric Ind Co Ltd | Manufacture of anisotropic oxide sintered body |
| JPS56119723A (en) * | 1980-02-25 | 1981-09-19 | Kawasaki Steel Corp | Manufacture of nonrefined high tensile steel with superior low temperature toughness |
| JPS5776126A (en) * | 1980-10-30 | 1982-05-13 | Nippon Steel Corp | Manufacture of tough steel |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57134514A (en) | 1982-08-19 |
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