JPS60149721A - 溶接性と低温靭性の優れた非調質高張力鋼の製造方法 - Google Patents
溶接性と低温靭性の優れた非調質高張力鋼の製造方法Info
- Publication number
- JPS60149721A JPS60149721A JP395284A JP395284A JPS60149721A JP S60149721 A JPS60149721 A JP S60149721A JP 395284 A JP395284 A JP 395284A JP 395284 A JP395284 A JP 395284A JP S60149721 A JPS60149721 A JP S60149721A
- Authority
- JP
- Japan
- Prior art keywords
- steel
- temperature
- rolling
- less
- 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.)
- Granted
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 61
- 239000010959 steel Substances 0.000 title claims abstract description 61
- 238000004519 manufacturing process Methods 0.000 title claims description 12
- 238000001816 cooling Methods 0.000 claims abstract description 49
- 238000005096 rolling process Methods 0.000 claims abstract description 36
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 9
- 229910052802 copper Inorganic materials 0.000 claims abstract description 8
- 230000009466 transformation Effects 0.000 claims abstract description 8
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 7
- 150000002910 rare earth metals Chemical class 0.000 claims abstract description 7
- 229910052791 calcium Inorganic materials 0.000 claims abstract description 6
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 6
- 229910052758 niobium Inorganic materials 0.000 claims abstract description 6
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 5
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 4
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 4
- 230000009467 reduction Effects 0.000 claims description 24
- 238000010438 heat treatment Methods 0.000 claims description 9
- 239000012535 impurity Substances 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims 1
- 239000006104 solid solution Substances 0.000 abstract description 10
- 230000007423 decrease Effects 0.000 abstract description 8
- 229910052799 carbon Inorganic materials 0.000 abstract description 6
- 229910052720 vanadium Inorganic materials 0.000 abstract description 4
- 229910052782 aluminium Inorganic materials 0.000 abstract 2
- 238000011282 treatment Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 11
- 239000010949 copper Substances 0.000 description 9
- 239000000463 material Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 230000007704 transition Effects 0.000 description 7
- 239000000203 mixture Substances 0.000 description 6
- 229910001563 bainite Inorganic materials 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 235000013339 cereals Nutrition 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 229910000859 α-Fe Inorganic materials 0.000 description 4
- 239000010953 base metal Substances 0.000 description 3
- 230000003749 cleanliness Effects 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 239000000470 constituent Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 229910000734 martensite Inorganic materials 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000007670 refining Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 238000010583 slow cooling Methods 0.000 description 2
- 239000002436 steel type Substances 0.000 description 2
- 238000005496 tempering Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 235000008429 bread Nutrition 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000011835 investigation Methods 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
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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 |
|---|---|---|---|
| JP395284A JPS60149721A (ja) | 1984-01-12 | 1984-01-12 | 溶接性と低温靭性の優れた非調質高張力鋼の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP395284A JPS60149721A (ja) | 1984-01-12 | 1984-01-12 | 溶接性と低温靭性の優れた非調質高張力鋼の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60149721A true JPS60149721A (ja) | 1985-08-07 |
| JPH0517287B2 JPH0517287B2 (enrdf_load_stackoverflow) | 1993-03-08 |
Family
ID=11571441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP395284A Granted JPS60149721A (ja) | 1984-01-12 | 1984-01-12 | 溶接性と低温靭性の優れた非調質高張力鋼の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60149721A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62167819A (ja) * | 1986-01-17 | 1987-07-24 | Nippon Steel Corp | 圧延強靭鋼の製造方法 |
-
1984
- 1984-01-12 JP JP395284A patent/JPS60149721A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62167819A (ja) * | 1986-01-17 | 1987-07-24 | Nippon Steel Corp | 圧延強靭鋼の製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0517287B2 (enrdf_load_stackoverflow) | 1993-03-08 |
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