JPH0346527B2 - - Google Patents
Info
- Publication number
- JPH0346527B2 JPH0346527B2 JP9014884A JP9014884A JPH0346527B2 JP H0346527 B2 JPH0346527 B2 JP H0346527B2 JP 9014884 A JP9014884 A JP 9014884A JP 9014884 A JP9014884 A JP 9014884A JP H0346527 B2 JPH0346527 B2 JP H0346527B2
- Authority
- JP
- Japan
- Prior art keywords
- stainless steel
- hot metal
- blowing
- steel
- ladle
- 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
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 34
- 238000007664 blowing Methods 0.000 claims description 22
- 229910000831 Steel Inorganic materials 0.000 claims description 21
- 239000010959 steel Substances 0.000 claims description 21
- 239000007789 gas Substances 0.000 claims description 20
- 229910052757 nitrogen Inorganic materials 0.000 claims description 20
- 229910001220 stainless steel Inorganic materials 0.000 claims description 20
- 238000005261 decarburization Methods 0.000 claims description 18
- 230000004907 flux Effects 0.000 claims description 18
- 229910052751 metal Inorganic materials 0.000 claims description 17
- 239000002184 metal Substances 0.000 claims description 17
- 239000010935 stainless steel Substances 0.000 claims description 17
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 claims description 12
- 239000001095 magnesium carbonate Substances 0.000 claims description 12
- 229910000021 magnesium carbonate Inorganic materials 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 229910004261 CaF 2 Inorganic materials 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 229910052804 chromium Inorganic materials 0.000 claims description 4
- 239000011651 chromium Substances 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 3
- 239000002075 main ingredient Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 description 17
- 238000007670 refining Methods 0.000 description 12
- 238000010079 rubber tapping Methods 0.000 description 9
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 5
- 238000007796 conventional method Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000002893 slag Substances 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 3
- 229910001634 calcium fluoride Inorganic materials 0.000 description 3
- 235000011089 carbon dioxide Nutrition 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000009628 steelmaking Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- 238000005255 carburizing Methods 0.000 description 2
- 239000000571 coke Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 238000009489 vacuum treatment Methods 0.000 description 2
- 229910019440 Mg(OH) Inorganic materials 0.000 description 1
- 239000010953 base metal Substances 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- C21C5/005—Manufacture of stainless steel
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 |
|---|---|---|---|
| JP9014884A JPS60234916A (ja) | 1984-05-08 | 1984-05-08 | 低窒素ステンレス鋼の製造法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9014884A JPS60234916A (ja) | 1984-05-08 | 1984-05-08 | 低窒素ステンレス鋼の製造法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60234916A JPS60234916A (ja) | 1985-11-21 |
| JPH0346527B2 true JPH0346527B2 (fr) | 1991-07-16 |
Family
ID=13990411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9014884A Granted JPS60234916A (ja) | 1984-05-08 | 1984-05-08 | 低窒素ステンレス鋼の製造法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60234916A (fr) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013204086A (ja) * | 2012-03-28 | 2013-10-07 | Nisshin Steel Co Ltd | ステンレス鋼の製造方法 |
| JP2016166427A (ja) * | 2016-06-14 | 2016-09-15 | 日新製鋼株式会社 | ステンレス鋼の製造方法 |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3726599B2 (ja) * | 1999-11-24 | 2005-12-14 | Ｊｆｅスチール株式会社 | 炭素含有耐火物屑を用いる溶鋼の精錬方法 |
| KR100523106B1 (ko) * | 2001-12-17 | 2005-10-19 | 주식회사 포스코 | 저질소 스테인레스강의 정련 방법 |
| CN104409521A (zh) * | 2014-11-13 | 2015-03-11 | 无锡中洁能源技术有限公司 | 纳米薄膜太阳能电池基板材料及其制备方法 |
| CN107385139A (zh) * | 2017-07-30 | 2017-11-24 | 湖南华菱湘潭钢铁有限公司 | 一种高碳钢的冶炼方法 |
-
1984
- 1984-05-08 JP JP9014884A patent/JPS60234916A/ja active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013204086A (ja) * | 2012-03-28 | 2013-10-07 | Nisshin Steel Co Ltd | ステンレス鋼の製造方法 |
| JP2016166427A (ja) * | 2016-06-14 | 2016-09-15 | 日新製鋼株式会社 | ステンレス鋼の製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60234916A (ja) | 1985-11-21 |
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