JPH0583606B2 - - Google Patents
Info
- Publication number
- JPH0583606B2 JPH0583606B2 JP59062879A JP6287984A JPH0583606B2 JP H0583606 B2 JPH0583606 B2 JP H0583606B2 JP 59062879 A JP59062879 A JP 59062879A JP 6287984 A JP6287984 A JP 6287984A JP H0583606 B2 JPH0583606 B2 JP H0583606B2
- Authority
- JP
- Japan
- Prior art keywords
- less
- rolling
- temperature
- toughness
- steel
- 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
- 238000005096 rolling process Methods 0.000 claims description 43
- 229910000831 Steel Inorganic materials 0.000 claims description 40
- 239000010959 steel Substances 0.000 claims description 40
- 229910001566 austenite Inorganic materials 0.000 claims description 26
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 22
- 238000010438 heat treatment Methods 0.000 claims description 19
- 238000001953 recrystallisation Methods 0.000 claims description 18
- 238000004519 manufacturing process Methods 0.000 claims description 13
- 229910052698 phosphorus Inorganic materials 0.000 claims description 8
- 229910052717 sulfur Inorganic materials 0.000 claims description 8
- 230000001186 cumulative effect Effects 0.000 claims description 7
- 229910052748 manganese Inorganic materials 0.000 claims description 7
- 239000006104 solid solution Substances 0.000 claims description 7
- 229910052758 niobium Inorganic materials 0.000 claims description 6
- 229910052720 vanadium Inorganic materials 0.000 claims description 6
- 229910052750 molybdenum Inorganic materials 0.000 claims description 5
- 229910052759 nickel Inorganic materials 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- 229910052791 calcium Inorganic materials 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 229910052726 zirconium Inorganic materials 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 14
- 238000001556 precipitation Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- 239000010953 base metal Substances 0.000 description 6
- 238000005728 strengthening Methods 0.000 description 6
- 230000006866 deterioration Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 230000009466 transformation Effects 0.000 description 4
- 229910000859 α-Fe Inorganic materials 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000007670 refining Methods 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 238000005054 agglomeration Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000003303 reheating Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005204 segregation Methods 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
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 |
|---|---|---|---|
| JP6287984A JPS60204826A (ja) | 1984-03-29 | 1984-03-29 | 低温靭性の優れたＴｉ系高張力鋼の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6287984A JPS60204826A (ja) | 1984-03-29 | 1984-03-29 | 低温靭性の優れたＴｉ系高張力鋼の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60204826A JPS60204826A (ja) | 1985-10-16 |
| JPH0583606B2 true JPH0583606B2 (ko) | 1993-11-26 |
Family
ID=13212989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6287984A Granted JPS60204826A (ja) | 1984-03-29 | 1984-03-29 | 低温靭性の優れたＴｉ系高張力鋼の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60204826A (ko) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63128117A (ja) * | 1986-11-17 | 1988-05-31 | Kawasaki Steel Corp | 非調質高張力鋼の製造方法 |
| JPS63179020A (ja) * | 1987-01-20 | 1988-07-23 | Nippon Steel Corp | 強度・靭性に優れ、板厚方向の断面硬度の差が小さい鋼板の製造法 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51112418A (en) * | 1975-03-29 | 1976-10-04 | Nippon Steel Corp | Process for producing weldable high tensile steel plate with excellent low temperature toughness |
| JPS5454915A (en) * | 1977-10-11 | 1979-05-01 | Nippon Steel Corp | Production of high-tensile steel plate having good cold toughness and weldability |
| JPS56119723A (en) * | 1980-02-25 | 1981-09-19 | Kawasaki Steel Corp | Manufacture of nonrefined high tensile steel with superior low temperature toughness |
| JPS591632A (ja) * | 1982-06-28 | 1984-01-07 | Sumitomo Metal Ind Ltd | 冷間加工性のすぐれたＴｉ添加強靭性熱延高張力鋼板の製造法 |
-
1984
- 1984-03-29 JP JP6287984A patent/JPS60204826A/ja active Granted
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51112418A (en) * | 1975-03-29 | 1976-10-04 | Nippon Steel Corp | Process for producing weldable high tensile steel plate with excellent low temperature toughness |
| JPS5454915A (en) * | 1977-10-11 | 1979-05-01 | Nippon Steel Corp | Production of high-tensile steel plate having good cold toughness and weldability |
| JPS56119723A (en) * | 1980-02-25 | 1981-09-19 | Kawasaki Steel Corp | Manufacture of nonrefined high tensile steel with superior low temperature toughness |
| JPS591632A (ja) * | 1982-06-28 | 1984-01-07 | Sumitomo Metal Ind Ltd | 冷間加工性のすぐれたＴｉ添加強靭性熱延高張力鋼板の製造法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60204826A (ja) | 1985-10-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |