JPS625215B2 - - Google Patents
Info
- Publication number
- JPS625215B2 JPS625215B2 JP21916682A JP21916682A JPS625215B2 JP S625215 B2 JPS625215 B2 JP S625215B2 JP 21916682 A JP21916682 A JP 21916682A JP 21916682 A JP21916682 A JP 21916682A JP S625215 B2 JPS625215 B2 JP S625215B2
- Authority
- JP
- Japan
- Prior art keywords
- less
- rolling
- cooling
- range
- 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
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 46
- 239000010959 steel Substances 0.000 claims description 46
- 238000001816 cooling Methods 0.000 claims description 42
- 238000005096 rolling process Methods 0.000 claims description 29
- 230000009467 reduction Effects 0.000 claims description 23
- 238000004519 manufacturing process Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 9
- 238000010583 slow cooling Methods 0.000 claims description 2
- 239000012535 impurity Substances 0.000 claims 2
- 230000000694 effects Effects 0.000 description 12
- 239000000463 material Substances 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 7
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 6
- 229910001563 bainite Inorganic materials 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 239000002244 precipitate Substances 0.000 description 6
- 238000000926 separation method Methods 0.000 description 6
- 238000007670 refining Methods 0.000 description 5
- 239000002436 steel type Substances 0.000 description 5
- 229910000859 α-Fe Inorganic materials 0.000 description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- 239000010953 base metal Substances 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 230000006866 deterioration Effects 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 239000006104 solid solution Substances 0.000 description 4
- 229910001566 austenite Inorganic materials 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 230000003749 cleanliness Effects 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 229910000734 martensite Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 239000001273 butane Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
- 229910001562 pearlite Inorganic materials 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 229910052720 vanadium Inorganic materials 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 |
|---|---|---|---|
| JP21916682A JPS59110725A (ja) | 1982-12-16 | 1982-12-16 | 溶接性と低温靭性の優れた高張力鋼の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21916682A JPS59110725A (ja) | 1982-12-16 | 1982-12-16 | 溶接性と低温靭性の優れた高張力鋼の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59110725A JPS59110725A (ja) | 1984-06-26 |
| JPS625215B2 true JPS625215B2 (cs) | 1987-02-03 |
Family
ID=16731231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21916682A Granted JPS59110725A (ja) | 1982-12-16 | 1982-12-16 | 溶接性と低温靭性の優れた高張力鋼の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59110725A (cs) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2668169B1 (fr) * | 1990-10-18 | 1993-01-22 | Lorraine Laminage | Acier a soudabilite amelioree. |
-
1982
- 1982-12-16 JP JP21916682A patent/JPS59110725A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59110725A (ja) | 1984-06-26 |
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