JPS6318644B2 - - Google Patents
Info
- Publication number
- JPS6318644B2 JPS6318644B2 JP55031530A JP3153080A JPS6318644B2 JP S6318644 B2 JPS6318644 B2 JP S6318644B2 JP 55031530 A JP55031530 A JP 55031530A JP 3153080 A JP3153080 A JP 3153080A JP S6318644 B2 JPS6318644 B2 JP S6318644B2
- Authority
- JP
- Japan
- Prior art keywords
- gas
- decarburization
- flow rate
- lance
- stainless steel
- 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 60
- 238000005261 decarburization Methods 0.000 claims description 38
- 238000007664 blowing Methods 0.000 claims description 24
- 239000010935 stainless steel Substances 0.000 claims description 21
- 229910001220 stainless steel Inorganic materials 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 18
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 229910052786 argon Inorganic materials 0.000 claims description 2
- 239000011651 chromium Substances 0.000 description 28
- 229910000831 Steel Inorganic materials 0.000 description 18
- 239000010959 steel Substances 0.000 description 18
- 238000002347 injection Methods 0.000 description 11
- 239000007924 injection Substances 0.000 description 11
- 229910052799 carbon Inorganic materials 0.000 description 9
- 230000003647 oxidation Effects 0.000 description 9
- 238000007254 oxidation reaction Methods 0.000 description 9
- 230000007423 decrease Effects 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 239000002893 slag Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 229910000423 chromium oxide Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002436 steel type Substances 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 229910017060 Fe Cr Inorganic materials 0.000 description 1
- 229910002544 Fe-Cr Inorganic materials 0.000 description 1
- 229910017082 Fe-Si Inorganic materials 0.000 description 1
- 229910000604 Ferrochrome Inorganic materials 0.000 description 1
- 229910017133 Fe—Si Inorganic materials 0.000 description 1
- VVTSZOCINPYFDP-UHFFFAOYSA-N [O].[Ar] Chemical compound [O].[Ar] VVTSZOCINPYFDP-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- UPHIPHFJVNKLMR-UHFFFAOYSA-N chromium iron Chemical compound [Cr].[Fe] UPHIPHFJVNKLMR-UHFFFAOYSA-N 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000006114 decarboxylation reaction Methods 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009847 ladle furnace Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000013589 supplement Substances 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
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/52—Manufacture of steel in electric furnaces
- C21C5/5211—Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace
- C21C5/5217—Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace equipped with burners or devices for injecting gas, i.e. oxygen, or pulverulent materials into the furnace
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (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 |
|---|---|---|---|
| JP3153080A JPS56130417A (en) | 1980-03-14 | 1980-03-14 | Decarburizing method for stainless steel in arc furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3153080A JPS56130417A (en) | 1980-03-14 | 1980-03-14 | Decarburizing method for stainless steel in arc furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56130417A JPS56130417A (en) | 1981-10-13 |
| JPS6318644B2 true JPS6318644B2 (US20110009641A1-20110113-C00116.png) | 1988-04-19 |
Family
ID=12333746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3153080A Granted JPS56130417A (en) | 1980-03-14 | 1980-03-14 | Decarburizing method for stainless steel in arc furnace |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56130417A (US20110009641A1-20110113-C00116.png) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0247447U (US20110009641A1-20110113-C00116.png) * | 1988-09-28 | 1990-03-30 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT403293B (de) * | 1995-01-16 | 1997-12-29 | Kct Tech Gmbh | Verfahren und anlage zum herstellen von legierten stählen |
| KR100406387B1 (ko) * | 1996-12-14 | 2004-03-19 | 주식회사 포스코 | 아르곤-산소탈탄방식(aod)에의한스테인레스강의탈탄방법 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE610265A (US20110009641A1-20110113-C00116.png) * | 1960-11-18 |
-
1980
- 1980-03-14 JP JP3153080A patent/JPS56130417A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0247447U (US20110009641A1-20110113-C00116.png) * | 1988-09-28 | 1990-03-30 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS56130417A (en) | 1981-10-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2575827B2 (ja) | 清浄度に優れた連続鋳造用極低炭素鋼の製造方法 | |
| US5190577A (en) | Replacement of argon with carbon dioxide in a reactor containing molten metal for the purpose of refining molten metal | |
| JPS6318644B2 (US20110009641A1-20110113-C00116.png) | ||
| JP3752801B2 (ja) | 極低炭素及び極低窒素ステンレス鋼の溶製方法 | |
| JP2776118B2 (ja) | 無方向性電磁鋼板材の溶製方法 | |
| JP2002339014A (ja) | 極低硫鋼の製造方法 | |
| JP4022266B2 (ja) | ステンレス鋼の溶製方法 | |
| JP3044642B2 (ja) | 含クロム溶鋼の脱炭精錬法 | |
| US4021233A (en) | Metallurgical process | |
| KR960001140A (ko) | 저탄소 크롬함유 강의 제조방법 | |
| JPH05171250A (ja) | Ｒｈ脱ガス操業方法 | |
| JPH11279631A (ja) | ステンレス溶鋼の精錬方法 | |
| JP3411220B2 (ja) | 高窒素低酸素含クロム溶鋼の精錬方法 | |
| KR100398400B1 (ko) | 타이타늄 함유 스테인레스강의 정련공정에서 슬래그조성제어방법 | |
| JP2773525B2 (ja) | 方向性電磁鋼板材の溶製方法 | |
| KR950003805B1 (ko) | 용강중의 니오븀 첨가방법 | |
| JPH07173515A (ja) | ステンレス鋼の脱炭精錬方法 | |
| JPH0841530A (ja) | 低アルミニウム・低硫黄ステンレス鋼の製造方法 | |
| JPH05331523A (ja) | 軸受鋼用溶鋼の精錬方法 | |
| JP2795513B2 (ja) | 含クロム溶鋼の脱炭精錬法 | |
| JPH05156343A (ja) | 極低窒素鋼の溶製方法 | |
| JPH06256836A (ja) | 高清浄度極低炭素鋼の溶製方法 | |
| JP4357082B2 (ja) | 含クロム溶鋼の脱炭精錬方法 | |
| US4188206A (en) | Metallurgical process | |
| SU679632A2 (ru) | Способ выплавки нержавеющей стали |