JPS6155570B2 - - Google Patents
Info
- Publication number
- JPS6155570B2 JPS6155570B2 JP15939380A JP15939380A JPS6155570B2 JP S6155570 B2 JPS6155570 B2 JP S6155570B2 JP 15939380 A JP15939380 A JP 15939380A JP 15939380 A JP15939380 A JP 15939380A JP S6155570 B2 JPS6155570 B2 JP S6155570B2
- Authority
- JP
- Japan
- Prior art keywords
- less
- steel
- accelerated cooling
- cooling
- rolling
- 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
- 238000001816 cooling Methods 0.000 claims description 38
- 229910000831 Steel Inorganic materials 0.000 claims description 34
- 239000010959 steel Substances 0.000 claims description 34
- 238000000034 method Methods 0.000 claims description 19
- 238000005096 rolling process Methods 0.000 claims description 18
- 238000010583 slow cooling Methods 0.000 claims description 14
- 238000005204 segregation Methods 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 claims description 12
- 238000005336 cracking Methods 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 8
- 230000007797 corrosion Effects 0.000 claims description 7
- 238000005260 corrosion Methods 0.000 claims description 7
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims 1
- 229910052717 sulfur Inorganic materials 0.000 claims 1
- 239000011593 sulfur Substances 0.000 claims 1
- 238000005098 hot rolling Methods 0.000 description 16
- 229910001566 austenite Inorganic materials 0.000 description 11
- 239000000463 material Substances 0.000 description 10
- 230000001105 regulatory effect Effects 0.000 description 10
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 9
- 229910052739 hydrogen Inorganic materials 0.000 description 9
- 239000001257 hydrogen Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 238000005275 alloying Methods 0.000 description 5
- 238000007796 conventional method Methods 0.000 description 5
- 239000002436 steel type Substances 0.000 description 5
- 230000035882 stress Effects 0.000 description 5
- 229910001563 bainite Inorganic materials 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005496 tempering Methods 0.000 description 4
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 229910052804 chromium Inorganic materials 0.000 description 3
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 3
- 230000001771 impaired effect Effects 0.000 description 3
- 229910000734 martensite Inorganic materials 0.000 description 3
- 229910052720 vanadium Inorganic materials 0.000 description 3
- 229910000859 α-Fe Inorganic materials 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000006243 chemical reaction Methods 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
- 230000001276 controlling effect Effects 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000006355 external stress Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 229910001562 pearlite Inorganic materials 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000004881 precipitation hardening Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Landscapes
- Heat Treatment Of Steel (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15939380A JPS5785928A (en) | 1980-11-14 | 1980-11-14 | Manufactue of nonrefined high tensile steel with superior sulfide corrosion cracking resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15939380A JPS5785928A (en) | 1980-11-14 | 1980-11-14 | Manufactue of nonrefined high tensile steel with superior sulfide corrosion cracking resistance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5785928A JPS5785928A (en) | 1982-05-28 |
| JPS6155570B2 true JPS6155570B2 (de) | 1986-11-28 |
Family
ID=15692795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15939380A Granted JPS5785928A (en) | 1980-11-14 | 1980-11-14 | Manufactue of nonrefined high tensile steel with superior sulfide corrosion cracking resistance |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5785928A (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57131318A (en) * | 1981-02-04 | 1982-08-14 | Nippon Kokan Kk <Nkk> | Production of high tensile steel of superior sulfide corrosion resistance |
| JPS6033310A (ja) * | 1983-07-30 | 1985-02-20 | Nippon Steel Corp | 耐水素誘起割れ性及び耐硫化物応力腐食割れ性の優れた鋼板の製造方法 |
| JP2967889B2 (ja) * | 1991-11-12 | 1999-10-25 | 住友金属工業株式会社 | 湿潤硫化水素環境で疲労亀裂進展特性に優れる鋼の製造方法 |
-
1980
- 1980-11-14 JP JP15939380A patent/JPS5785928A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5785928A (en) | 1982-05-28 |
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