JPS5358918A - Calcium adding method to molten steel - Google Patents

Calcium adding method to molten steel

Info

Publication number
JPS5358918A
JPS5358918A JP13488476A JP13488476A JPS5358918A JP S5358918 A JPS5358918 A JP S5358918A JP 13488476 A JP13488476 A JP 13488476A JP 13488476 A JP13488476 A JP 13488476A JP S5358918 A JPS5358918 A JP S5358918A
Authority
JP
Japan
Prior art keywords
molten steel
adding method
calcium adding
press
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.)
Granted
Application number
JP13488476A
Other languages
Japanese (ja)
Other versions
JPS5650762B2 (en
Inventor
Katsuhiko Ishikura
Akira Nobemoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Steel Corp
Original Assignee
Nippon Steel Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Priority to JP13488476A priority Critical patent/JPS5358918A/en
Publication of JPS5358918A publication Critical patent/JPS5358918A/en
Publication of JPS5650762B2 publication Critical patent/JPS5650762B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Treatment Of Steel In Its Molten State (AREA)

Abstract

PURPOSE: To improve the yield of Ca addition by increasing the press. inside a vacuum degassing vessel to a level within a range where the reflux of molten steel or the suction and exhaust of gas under reduced press. are not stopped and then adding Ca.
COPYRIGHT: (C)1978,JPO&Japio
JP13488476A 1976-11-10 1976-11-10 Calcium adding method to molten steel Granted JPS5358918A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13488476A JPS5358918A (en) 1976-11-10 1976-11-10 Calcium adding method to molten steel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13488476A JPS5358918A (en) 1976-11-10 1976-11-10 Calcium adding method to molten steel

Publications (2)

Publication Number Publication Date
JPS5358918A true JPS5358918A (en) 1978-05-27
JPS5650762B2 JPS5650762B2 (en) 1981-12-01

Family

ID=15138748

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13488476A Granted JPS5358918A (en) 1976-11-10 1976-11-10 Calcium adding method to molten steel

Country Status (1)

Country Link
JP (1) JPS5358918A (en)

Also Published As

Publication number Publication date
JPS5650762B2 (en) 1981-12-01

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