KR20050009362A - 용강내 바나듐 첨가방법 - Google Patents
용강내 바나듐 첨가방법 Download PDFInfo
- Publication number
- KR20050009362A KR20050009362A KR1020030048636A KR20030048636A KR20050009362A KR 20050009362 A KR20050009362 A KR 20050009362A KR 1020030048636 A KR1020030048636 A KR 1020030048636A KR 20030048636 A KR20030048636 A KR 20030048636A KR 20050009362 A KR20050009362 A KR 20050009362A
- Authority
- KR
- South Korea
- Prior art keywords
- molten steel
- vanadium
- vanadium oxide
- ladle
- steel
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
-
- 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
Abstract
Description
구분 | V2O5투입량(kg) | 출강중 알루미늄투입량(kg) | 슬래그탈산제투입량(kg/용강톤) | 상취가스유량(N㎥/분) | 용강중바나듐함량(중량%) | 바나듐옥사이드실수율(%) | 용강중총 산소량(ppm) | |
탈산용 | V2O5환원용 | |||||||
비교재1 | 200 | 550 | 0 | 0 | 0.005 | 0.027 | 78 | 26 |
비교재2 | 200 | 550 | 0 | 0 | 0.005 | 0.025 | 73 | 22 |
비교재3 | 200 | 550 | 0 | 0 | 0.003 | 0.021 | 61 | 31 |
비교재4 | 200 | 550 | 0 | 0 | 0.003 | 0.028 | 81 | 25 |
발명재1 | 200 | 550 | 100 | 0.5 | 0.006 | 0.032 | 93 | 12 |
발명재2 | 200 | 550 | 100 | 0.5 | 0.008 | 0.034 | 99 | 13 |
발명재3 | 200 | 550 | 100 | 0.8 | 0.008 | 0.032 | 93 | 7 |
발명재4 | 200 | 550 | 100 | 1.0 | 0.011 | 0.033 | 96 | 8 |
Claims (1)
- 용강에 바나듐을 첨가하는 방법에 있어서,전로 출강중 제조하려는 강종에서 요구되는 바나듐 함량에 해당하는 양으로 래들 내에 바나듐 옥사이드를 투입하고, 상기 투입된 바나듐 옥사이드 투입량의 40~60중량%의 Al을 추가로 투입하는 단계;전로 출강 완료후 용강 톤당 0.5~1.0kg의 슬래그 탈산제를 투입하는 단계; 및상기 출강 완료된 용강에 용강 톤당 0.006~0.011N㎥/분의 유량으로 Ar 및 N2중 1종의 가스를 취입하며 버블링하는 단계;를 포함하여 이루어지는 용강내 바나듐 첨가방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030048636A KR101018235B1 (ko) | 2003-07-16 | 2003-07-16 | 용강내 바나듐 첨가방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030048636A KR101018235B1 (ko) | 2003-07-16 | 2003-07-16 | 용강내 바나듐 첨가방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20050009362A true KR20050009362A (ko) | 2005-01-25 |
KR101018235B1 KR101018235B1 (ko) | 2011-03-03 |
Family
ID=37222106
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020030048636A KR101018235B1 (ko) | 2003-07-16 | 2003-07-16 | 용강내 바나듐 첨가방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR101018235B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101149281B1 (ko) * | 2009-12-24 | 2012-05-24 | 현대제철 주식회사 | 바나듐 보증강의 제조방법 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59228833A (ja) | 1983-06-09 | 1984-12-22 | サントリー株式会社 | 感覚強度表示方法および装置 |
JPS59228834A (ja) | 1983-06-10 | 1984-12-22 | オリンパス光学工業株式会社 | 内視鏡生体波長診断装置 |
JP4370710B2 (ja) | 2000-09-01 | 2009-11-25 | 鹿島北共同発電株式会社 | バナジウム添加材 |
-
2003
- 2003-07-16 KR KR1020030048636A patent/KR101018235B1/ko active IP Right Grant
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101149281B1 (ko) * | 2009-12-24 | 2012-05-24 | 현대제철 주식회사 | 바나듐 보증강의 제조방법 |
Also Published As
Publication number | Publication date |
---|---|
KR101018235B1 (ko) | 2011-03-03 |
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