JPH042647B2 - - Google Patents
Info
- Publication number
- JPH042647B2 JPH042647B2 JP15870186A JP15870186A JPH042647B2 JP H042647 B2 JPH042647 B2 JP H042647B2 JP 15870186 A JP15870186 A JP 15870186A JP 15870186 A JP15870186 A JP 15870186A JP H042647 B2 JPH042647 B2 JP H042647B2
- Authority
- JP
- Japan
- Prior art keywords
- cooling
- rail
- hot water
- water spray
- heat treatment
- 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 79
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 51
- 239000007921 spray Substances 0.000 claims description 34
- 238000000034 method Methods 0.000 claims description 23
- 238000010438 heat treatment Methods 0.000 claims description 22
- 229910001562 pearlite Inorganic materials 0.000 claims description 16
- 229910001566 austenite Inorganic materials 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 description 17
- 239000002826 coolant Substances 0.000 description 6
- 238000009736 wetting Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000003595 mist Substances 0.000 description 5
- 238000007796 conventional method Methods 0.000 description 4
- 238000005098 hot rolling Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910000734 martensite Inorganic materials 0.000 description 4
- 238000010926 purge Methods 0.000 description 4
- 238000003303 reheating Methods 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- 230000009466 transformation Effects 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 238000007654 immersion Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229910052750 molybdenum Inorganic materials 0.000 description 3
- 229910000851 Alloy steel Inorganic materials 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- 238000005275 alloying Methods 0.000 description 2
- 229910001563 bainite Inorganic materials 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 239000010962 carbon steel Substances 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910052720 vanadium Inorganic materials 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 210000001015 abdomen Anatomy 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000004781 supercooling 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/04—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rails
-
- 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/62—Quenching devices
- C21D1/667—Quenching devices for spray quenching
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 Articles (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15870186A JPS6314814A (ja) | 1986-07-08 | 1986-07-08 | レ−ルの熱処理方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15870186A JPS6314814A (ja) | 1986-07-08 | 1986-07-08 | レ−ルの熱処理方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6314814A JPS6314814A (ja) | 1988-01-22 |
| JPH042647B2 true JPH042647B2 (ru) | 1992-01-20 |
Family
ID=15677470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15870186A Granted JPS6314814A (ja) | 1986-07-08 | 1986-07-08 | レ−ルの熱処理方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6314814A (ru) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT504706B1 (de) * | 2006-12-22 | 2012-01-15 | Knorr Technik Gmbh | Verfahren und vorrichtung zur wärmebehandlung von metallischen langprodukten |
-
1986
- 1986-07-08 JP JP15870186A patent/JPS6314814A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6314814A (ja) | 1988-01-22 |
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