| Original document(64 pages) 中文版 |
The present invention includes: smelting carbon semi-product in the steelmaking equipment; injecting that into the steel ladle; adding the slag-making materials, the reducing agent and the oxidation materials which contain alloy elements and are previously heat-treated into the steel ladle. At this time, the addition of the above-mentioned oxidation materials is started when the tapping amount of the carbon semi-products is not less than 0.25 of its total weight, but no less than 0.5, and the addition is carrying out during tapping of the above-mentioned semi-products and the addition is ended when the tapping of the carbon semi-products is completed. The reducing agent is added after the addition of the above-mentioned oxidation materials and the addition is finished before the tapping of the carbon semi-products is completed. |
Application Number
申请号 |
88107940 |
Application Date
申请日 |
1988.11.18 |
| Title 名称 |
Method of producing general-purpose steel |
Publication Number
公开号 |
1042735 |
Publication Date
公开日 |
1990.06.06 |
| Approval Pub. Date |
|
Granted Pub. Date |
|
| International Classification 分类号 |
C21C5/00,C21C7/04,C22C33/04 |
Applicant(s) Name
申请人 |
Donetsky Politekhnichesky Institut |
| Address 地址 |
|
| Inventor(s) Name 发明人 |
Alexandr Georgievich Ponomarenko, Anatoly Yakovlevich Nakonechny |
| Attorney & Agent 代理人 |
XUE MINGZU |
| More information 更 多 信 息 |
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