JPS6354045B2 - - Google Patents
Info
- Publication number
- JPS6354045B2 JPS6354045B2 JP12006981A JP12006981A JPS6354045B2 JP S6354045 B2 JPS6354045 B2 JP S6354045B2 JP 12006981 A JP12006981 A JP 12006981A JP 12006981 A JP12006981 A JP 12006981A JP S6354045 B2 JPS6354045 B2 JP S6354045B2
- Authority
- JP
- Japan
- Prior art keywords
- steel
- molten steel
- refining
- decarburization
- added
- 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 39
- 239000010959 steel Substances 0.000 claims description 39
- 238000000034 method Methods 0.000 claims description 27
- 238000007670 refining Methods 0.000 claims description 21
- 239000003638 chemical reducing agent Substances 0.000 claims description 11
- 238000010079 rubber tapping Methods 0.000 claims description 11
- 239000011261 inert gas Substances 0.000 claims description 10
- 239000002904 solvent Substances 0.000 claims description 10
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 238000005261 decarburization Methods 0.000 description 19
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 18
- 238000006722 reduction reaction Methods 0.000 description 14
- 239000011819 refractory material Substances 0.000 description 10
- 229910052786 argon Inorganic materials 0.000 description 9
- 239000011651 chromium Substances 0.000 description 8
- 239000007789 gas Substances 0.000 description 8
- 230000009467 reduction Effects 0.000 description 8
- 238000006477 desulfuration reaction Methods 0.000 description 6
- 230000023556 desulfurization Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 239000002893 slag Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 229910017082 Fe-Si Inorganic materials 0.000 description 4
- 229910017133 Fe—Si Inorganic materials 0.000 description 4
- 238000007664 blowing Methods 0.000 description 4
- 230000003628 erosive effect Effects 0.000 description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 3
- 238000005266 casting Methods 0.000 description 3
- 229910052804 chromium Inorganic materials 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000005978 reductive desulfurization reaction Methods 0.000 description 3
- 230000002829 reductive effect Effects 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000009749 continuous casting Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/068—Decarburising
- C21C7/0685—Decarburising of stainless steel
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12006981A JPS5822318A (ja) | 1981-07-31 | 1981-07-31 | 溶鋼の精錬方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12006981A JPS5822318A (ja) | 1981-07-31 | 1981-07-31 | 溶鋼の精錬方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5822318A JPS5822318A (ja) | 1983-02-09 |
| JPS6354045B2 true JPS6354045B2 (fi) | 1988-10-26 |
Family
ID=14777115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12006981A Granted JPS5822318A (ja) | 1981-07-31 | 1981-07-31 | 溶鋼の精錬方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5822318A (fi) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59162215A (ja) * | 1983-03-05 | 1984-09-13 | Nippon Steel Corp | 溶鋼の加圧処理方法 |
| JPS6152353U (fi) * | 1984-09-10 | 1986-04-08 | ||
| JPH045217Y2 (fi) * | 1984-10-29 | 1992-02-14 | ||
| US4705279A (en) * | 1986-06-25 | 1987-11-10 | Ye Data Inc. | Device for clamping a flexible disk |
| JPS63130948U (fi) * | 1987-02-19 | 1988-08-26 |
-
1981
- 1981-07-31 JP JP12006981A patent/JPS5822318A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5822318A (ja) | 1983-02-09 |
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