JPS6237692B2 - - Google Patents
Info
- Publication number
- JPS6237692B2 JPS6237692B2 JP22112382A JP22112382A JPS6237692B2 JP S6237692 B2 JPS6237692 B2 JP S6237692B2 JP 22112382 A JP22112382 A JP 22112382A JP 22112382 A JP22112382 A JP 22112382A JP S6237692 B2 JPS6237692 B2 JP S6237692B2
- Authority
- JP
- Japan
- Prior art keywords
- gas
- scale
- steel
- annealing
- moisture
- 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
- 239000007789 gas Substances 0.000 claims description 58
- 229910000831 Steel Inorganic materials 0.000 claims description 27
- 239000010959 steel Substances 0.000 claims description 27
- 229930195733 hydrocarbon Natural products 0.000 claims description 22
- 150000002430 hydrocarbons Chemical class 0.000 claims description 22
- 238000000137 annealing Methods 0.000 claims description 19
- 239000004215 Carbon black (E152) Substances 0.000 claims description 17
- 239000011261 inert gas Substances 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 10
- 238000005096 rolling process Methods 0.000 claims description 5
- 238000005261 decarburization Methods 0.000 description 14
- 239000000463 material Substances 0.000 description 12
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 10
- 239000001301 oxygen Substances 0.000 description 10
- 229910052760 oxygen Inorganic materials 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 8
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 6
- 238000005554 pickling Methods 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 150000001247 metal acetylides Chemical class 0.000 description 5
- 239000004071 soot Substances 0.000 description 4
- 230000009466 transformation Effects 0.000 description 4
- 238000005255 carburizing Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000001294 propane Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- -1 CO and H2 Substances 0.000 description 2
- 239000001273 butane Substances 0.000 description 2
- 238000010273 cold forging Methods 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- 229910000954 Medium-carbon steel Inorganic materials 0.000 description 1
- 238000010306 acid treatment Methods 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910001562 pearlite Inorganic materials 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 239000002699 waste material Substances 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
- C21D1/76—Adjusting the composition of the atmosphere
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 Strip Materials And Filament Materials (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22112382A JPS59113124A (ja) | 1982-12-18 | 1982-12-18 | 鋼材の雰囲気焼鈍方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22112382A JPS59113124A (ja) | 1982-12-18 | 1982-12-18 | 鋼材の雰囲気焼鈍方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59113124A JPS59113124A (ja) | 1984-06-29 |
| JPS6237692B2 true JPS6237692B2 (cs) | 1987-08-13 |
Family
ID=16761826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22112382A Granted JPS59113124A (ja) | 1982-12-18 | 1982-12-18 | 鋼材の雰囲気焼鈍方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59113124A (cs) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05332489A (ja) * | 1992-06-03 | 1993-12-14 | Suiken Technol:Kk | 配水用管の分岐工法とこれに使用する分岐施工具及び配水用管 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59208016A (ja) * | 1983-05-12 | 1984-11-26 | Nippon Steel Corp | 鋼材の焼鈍方法 |
| JPS61163217A (ja) * | 1985-01-08 | 1986-07-23 | Nippon Steel Corp | 高Ｃｒ鋼線材の焼鈍方法 |
-
1982
- 1982-12-18 JP JP22112382A patent/JPS59113124A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05332489A (ja) * | 1992-06-03 | 1993-12-14 | Suiken Technol:Kk | 配水用管の分岐工法とこれに使用する分岐施工具及び配水用管 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59113124A (ja) | 1984-06-29 |
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