CN1062020C - 钢水精炼工艺 - Google Patents
钢水精炼工艺 Download PDFInfo
- Publication number
- CN1062020C CN1062020C CN 98125048 CN98125048A CN1062020C CN 1062020 C CN1062020 C CN 1062020C CN 98125048 CN98125048 CN 98125048 CN 98125048 A CN98125048 A CN 98125048A CN 1062020 C CN1062020 C CN 1062020C
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- CN
- China
- Prior art keywords
- heart yearn
- molten steel
- treatment
- feeding
- calcium
- 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 - Lifetime
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- Treatment Of Steel In Its Molten State (AREA)
Abstract
Description
钙处理方法 | 钙收得率(%) |
特开平8-333619公开方法 | 10,10 |
本发明方法 | 10.2,12.5,14.5,14.7,15.5,17.6,20.8,21.4 |
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 98125048 CN1062020C (zh) | 1998-11-30 | 1998-11-30 | 钢水精炼工艺 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 98125048 CN1062020C (zh) | 1998-11-30 | 1998-11-30 | 钢水精炼工艺 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1220316A CN1220316A (zh) | 1999-06-23 |
CN1062020C true CN1062020C (zh) | 2001-02-14 |
Family
ID=5228992
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 98125048 Expired - Lifetime CN1062020C (zh) | 1998-11-30 | 1998-11-30 | 钢水精炼工艺 |
Country Status (1)
Country | Link |
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CN (1) | CN1062020C (zh) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101462155B (zh) * | 2007-12-21 | 2010-12-01 | 首钢总公司 | 一种小方坯连铸生产超低碳线材的方法 |
CN102477477A (zh) * | 2010-11-30 | 2012-05-30 | 攀钢集团钢铁钒钛股份有限公司 | 一种钢水真空精炼方法 |
CN102899448A (zh) * | 2011-07-25 | 2013-01-30 | 攀钢集团攀枝花钢钒有限公司 | 一种钢水钙处理的方法 |
CN108330246B (zh) * | 2017-01-20 | 2020-01-31 | 宝山钢铁股份有限公司 | 一种非真空状态下无取向电工钢加钙方法 |
-
1998
- 1998-11-30 CN CN 98125048 patent/CN1062020C/zh not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
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CN1220316A (zh) | 1999-06-23 |
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Legal Events
Date | Code | Title | Description |
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C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C06 | Publication | ||
PB01 | Publication | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: BAOSHAN IRON & STEEL CO., LTD. Free format text: FORMER NAME OR ADDRESS: SHANGHAI BAO STEEL GROUP IRON AND STEEL CO LTD Owner name: SHANGHAI BAO STEEL GROUP IRON AND STEEL CO LTD Free format text: FORMER NAME OR ADDRESS: BAOSHAN STEEL GROUP IRON AND STEEL CO LTD |
|
CP03 | Change of name, title or address |
Address after: 201900, Fujin Road, Shanghai, Baoshan District orchard Patentee after: BAOSHAN IRON & STEEL Co.,Ltd. Address before: 200122 No. 370 Pu circuit, Shanghai, Pudong New Area Patentee before: BAOSHAN IRON & STEEL CO.,LTD. Address after: 200122 No. 370 Pu circuit, Shanghai, Pudong New Area Patentee after: BAOSHAN IRON & STEEL CO.,LTD. Address before: 201900 No. 1, Middle Road, Baoshan District, Shanghai Patentee before: Baosteel Group Corporation |
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CX01 | Expiry of patent term |
Granted publication date: 20010214 |
|
CX01 | Expiry of patent term |