JPH0573808B2 - - Google Patents
Info
- Publication number
- JPH0573808B2 JPH0573808B2 JP14758784A JP14758784A JPH0573808B2 JP H0573808 B2 JPH0573808 B2 JP H0573808B2 JP 14758784 A JP14758784 A JP 14758784A JP 14758784 A JP14758784 A JP 14758784A JP H0573808 B2 JPH0573808 B2 JP H0573808B2
- Authority
- JP
- Japan
- Prior art keywords
- less
- steel
- cooling rate
- toughness
- 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 - Lifetime
Links
- 238000001816 cooling Methods 0.000 claims description 46
- 229910000831 Steel Inorganic materials 0.000 claims description 26
- 239000010959 steel Substances 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 12
- 229910000734 martensite Inorganic materials 0.000 claims description 10
- 229910001566 austenite Inorganic materials 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 229910001563 bainite Inorganic materials 0.000 claims description 7
- 238000005098 hot rolling Methods 0.000 claims description 6
- 238000005496 tempering Methods 0.000 claims description 6
- 230000007423 decrease Effects 0.000 claims description 5
- 239000012535 impurity Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 229910052750 molybdenum Inorganic materials 0.000 claims description 2
- 229910052721 tungsten Inorganic materials 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims 2
- 229910052748 manganese Inorganic materials 0.000 claims 2
- 229910052759 nickel Inorganic materials 0.000 claims 2
- 229910052804 chromium Inorganic materials 0.000 claims 1
- 229910052720 vanadium Inorganic materials 0.000 claims 1
- 229910052726 zirconium Inorganic materials 0.000 claims 1
- 239000002344 surface layer Substances 0.000 description 9
- 239000000463 material Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 238000009826 distribution Methods 0.000 description 5
- 238000010791 quenching Methods 0.000 description 5
- 230000000171 quenching effect Effects 0.000 description 5
- 230000006866 deterioration Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical group [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 239000010953 base metal Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14758784A JPS6126727A (ja) | 1984-07-18 | 1984-07-18 | 調質型厚肉８０Ｋｇｆ／ｍｍ↑２以上級高張力鋼の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14758784A JPS6126727A (ja) | 1984-07-18 | 1984-07-18 | 調質型厚肉８０Ｋｇｆ／ｍｍ↑２以上級高張力鋼の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6126727A JPS6126727A (ja) | 1986-02-06 |
| JPH0573808B2 true JPH0573808B2 (es) | 1993-10-15 |
Family
ID=15433717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14758784A Granted JPS6126727A (ja) | 1984-07-18 | 1984-07-18 | 調質型厚肉８０Ｋｇｆ／ｍｍ↑２以上級高張力鋼の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6126727A (es) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20200075964A (ko) * | 2018-12-18 | 2020-06-29 | 현대제철 주식회사 | 초고강도 고인성 강판 및 그 제조방법 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6213535A (ja) * | 1985-07-12 | 1987-01-22 | Kawasaki Steel Corp | 厚肉高張力鋼板の製造方法 |
| KR101758497B1 (ko) * | 2015-12-22 | 2017-07-27 | 주식회사 포스코 | Pwht 저항성이 우수한 저온 압력용기용 강판 및 그 제조 방법 |
-
1984
- 1984-07-18 JP JP14758784A patent/JPS6126727A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20200075964A (ko) * | 2018-12-18 | 2020-06-29 | 현대제철 주식회사 | 초고강도 고인성 강판 및 그 제조방법 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6126727A (ja) | 1986-02-06 |
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| JPH0559171B2 (es) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |