JPS626730B2 - - Google Patents
Info
- Publication number
- JPS626730B2 JPS626730B2 JP58175694A JP17569483A JPS626730B2 JP S626730 B2 JPS626730 B2 JP S626730B2 JP 58175694 A JP58175694 A JP 58175694A JP 17569483 A JP17569483 A JP 17569483A JP S626730 B2 JPS626730 B2 JP S626730B2
- Authority
- JP
- Japan
- Prior art keywords
- less
- steel
- strength
- toughness
- temperature
- 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 85
- 239000010959 steel Substances 0.000 claims description 85
- 238000001816 cooling Methods 0.000 claims description 34
- 238000010438 heat treatment Methods 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 10
- 238000005098 hot rolling Methods 0.000 claims description 9
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 229910052759 nickel Inorganic materials 0.000 claims description 8
- 230000001186 cumulative effect Effects 0.000 claims description 7
- 229910052758 niobium Inorganic materials 0.000 claims description 7
- 239000002253 acid Substances 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 238000003466 welding Methods 0.000 description 32
- 239000010953 base metal Substances 0.000 description 25
- 230000000694 effects Effects 0.000 description 18
- 238000005096 rolling process Methods 0.000 description 18
- 229910001566 austenite Inorganic materials 0.000 description 10
- 229910052761 rare earth metal Inorganic materials 0.000 description 10
- 239000000463 material Substances 0.000 description 7
- 230000007704 transition Effects 0.000 description 7
- 229910000859 α-Fe Inorganic materials 0.000 description 6
- 230000007423 decrease Effects 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 229910052720 vanadium Inorganic materials 0.000 description 5
- 229910001563 bainite Inorganic materials 0.000 description 4
- 229910052796 boron Inorganic materials 0.000 description 4
- 239000006104 solid solution Substances 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000001953 recrystallisation Methods 0.000 description 3
- 238000009628 steelmaking Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000002542 deteriorative effect Effects 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009863 impact test Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910001562 pearlite Inorganic materials 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Steel (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17569483A JPS6067621A (ja) | 1983-09-22 | 1983-09-22 | 非調質高張力鋼の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17569483A JPS6067621A (ja) | 1983-09-22 | 1983-09-22 | 非調質高張力鋼の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6067621A JPS6067621A (ja) | 1985-04-18 |
| JPS626730B2 true JPS626730B2 (US07122603-20061017-C00294.png) | 1987-02-13 |
Family
ID=16000606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17569483A Granted JPS6067621A (ja) | 1983-09-22 | 1983-09-22 | 非調質高張力鋼の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6067621A (US07122603-20061017-C00294.png) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61165207A (ja) * | 1985-01-14 | 1986-07-25 | Nippon Steel Corp | 耐サワ−特性の優れた非調質鋼板の製造方法 |
| JPH0617503B2 (ja) * | 1986-01-17 | 1994-03-09 | 新日本製鐵株式会社 | 圧延強靭鋼の製造方法 |
| JPH0649898B2 (ja) * | 1986-01-24 | 1994-06-29 | 株式会社神戸製鋼所 | 溶接熱影響部の靭性に優れた低温用高降伏点鋼の製造方法 |
| JPS63103021A (ja) * | 1986-10-20 | 1988-05-07 | Nippon Steel Corp | 低温靭性の優れた鋼板の製造法 |
| JPH0615689B2 (ja) * | 1987-05-19 | 1994-03-02 | 新日本製鐵株式会社 | 低降状比高張力鋼の製造方法 |
| JPH03219046A (ja) * | 1989-10-18 | 1991-09-26 | Nippon Steel Corp | 大入熱溶接継手靭性の優れた非調質鋼板及びその製造方法 |
| JPH0726176B2 (ja) * | 1991-02-28 | 1995-03-22 | 株式会社神戸製鋼所 | 鉄骨ボックス柱の大入熱溶接角継手部においてｈａｚ割れの発生しにくい鋼板 |
| US5858130A (en) * | 1997-06-25 | 1999-01-12 | Bethlehem Steel Corporation | Composition and method for producing an alloy steel and a product therefrom for structural applications |
| KR100660229B1 (ko) * | 2005-12-26 | 2006-12-21 | 주식회사 포스코 | 두께 중심부의 강도와 인성이 우수하고 재질편차가 적은용접구조용 극후물 강판 및 그 제조방법 |
| JP6534240B2 (ja) * | 2013-12-11 | 2019-06-26 | 日本製鉄株式会社 | Ｂ含有鋼の連続鋳造鋳片 |
| CN104846277A (zh) * | 2015-06-12 | 2015-08-19 | 武汉钢铁(集团)公司 | 屈服强度≥460MPa且抗层状撕裂性能建筑用钢及其制造方法 |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5776126A (en) * | 1980-10-30 | 1982-05-13 | Nippon Steel Corp | Manufacture of tough steel |
| JPS5852423A (ja) * | 1981-09-21 | 1983-03-28 | Kawasaki Steel Corp | 低温靭性と溶接性に優れたボロン含有非調質高張力鋼の製造方法 |
| JPS5861223A (ja) * | 1981-10-07 | 1983-04-12 | Nippon Steel Corp | Ｚ方向材質特性の優れた５０Ｋｇ／ｍｍ↑２級以上の高溶接性非調質高張力鋼の製造方法 |
| JPS5893818A (ja) * | 1981-11-30 | 1983-06-03 | Kobe Steel Ltd | 鋼片加熱炉最適制御装置 |
| JPS5896811A (ja) * | 1981-12-07 | 1983-06-09 | Kawasaki Steel Corp | 低鉄損の無方向性けい素鋼帯 |
| JPS5913022A (ja) * | 1982-07-13 | 1984-01-23 | Nippon Steel Corp | 耐溶接継手軟化特性に優れた高靭性厚肉非調質５０キロ級鋼の製造法 |
| JPS59110729A (ja) * | 1982-12-16 | 1984-06-26 | Sumitomo Metal Ind Ltd | 靭性の優れた非調質高張力鋼板の製造方法 |
| JPS59182915A (ja) * | 1983-03-31 | 1984-10-17 | Sumitomo Metal Ind Ltd | 高張力鋼の製造方法 |
| JPS6063318A (ja) * | 1983-09-16 | 1985-04-11 | Kobe Steel Ltd | 高靭性加速冷却鋼材の製造方法 |
-
1983
- 1983-09-22 JP JP17569483A patent/JPS6067621A/ja active Granted
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5776126A (en) * | 1980-10-30 | 1982-05-13 | Nippon Steel Corp | Manufacture of tough steel |
| JPS5852423A (ja) * | 1981-09-21 | 1983-03-28 | Kawasaki Steel Corp | 低温靭性と溶接性に優れたボロン含有非調質高張力鋼の製造方法 |
| JPS5861223A (ja) * | 1981-10-07 | 1983-04-12 | Nippon Steel Corp | Ｚ方向材質特性の優れた５０Ｋｇ／ｍｍ↑２級以上の高溶接性非調質高張力鋼の製造方法 |
| JPS5893818A (ja) * | 1981-11-30 | 1983-06-03 | Kobe Steel Ltd | 鋼片加熱炉最適制御装置 |
| JPS5896811A (ja) * | 1981-12-07 | 1983-06-09 | Kawasaki Steel Corp | 低鉄損の無方向性けい素鋼帯 |
| JPS5913022A (ja) * | 1982-07-13 | 1984-01-23 | Nippon Steel Corp | 耐溶接継手軟化特性に優れた高靭性厚肉非調質５０キロ級鋼の製造法 |
| JPS59110729A (ja) * | 1982-12-16 | 1984-06-26 | Sumitomo Metal Ind Ltd | 靭性の優れた非調質高張力鋼板の製造方法 |
| JPS59182915A (ja) * | 1983-03-31 | 1984-10-17 | Sumitomo Metal Ind Ltd | 高張力鋼の製造方法 |
| JPS6063318A (ja) * | 1983-09-16 | 1985-04-11 | Kobe Steel Ltd | 高靭性加速冷却鋼材の製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6067621A (ja) | 1985-04-18 |
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