JPS5764448A - Feed nozzle for continuous casting of small diameter rod - Google Patents

Feed nozzle for continuous casting of small diameter rod

Info

Publication number
JPS5764448A
JPS5764448A JP14005580A JP14005580A JPS5764448A JP S5764448 A JPS5764448 A JP S5764448A JP 14005580 A JP14005580 A JP 14005580A JP 14005580 A JP14005580 A JP 14005580A JP S5764448 A JPS5764448 A JP S5764448A
Authority
JP
Japan
Prior art keywords
molding
small diameter
nozzle
diameter rod
feed nozzle
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.)
Pending
Application number
JP14005580A
Other languages
Japanese (ja)
Inventor
Naoji Hattori
Hikari Oginoya
Yoshizo Hashimoto
Teruhiko Nozaki
Jun Miyazaki
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.)
Kobe Steel Ltd
Original Assignee
Kobe Steel Ltd
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 Kobe Steel Ltd filed Critical Kobe Steel Ltd
Priority to JP14005580A priority Critical patent/JPS5764448A/en
Publication of JPS5764448A publication Critical patent/JPS5764448A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
    • B22D41/50—Pouring-nozzles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)

Abstract

PURPOSE:To cast a small diameter rod of a Co-base alloy of superior appearance stably for a long time by forming a feed nozzle of a joined object of a BN molding and oxide ceramics. CONSTITUTION:A cast rod is drawn out through a feed nozzle 2 and a mold 3 from a molten Co-base alloy holding furnace 1, whereby a small diameter rod is produced. Here, the nozzle 2 consists of tubular oxide caramics 2a communicating at one end with the side face of the furnace 1 and a tubular molding 2b of 40-85wt% BN of the same bore of which the end part is joined tightly in one body to the other end of said ceramics. The bore of the nozzle 2 is the same as that of a tubular mold 3 or slightly smaller than the same. Here, if the BN in the molding 2b is below the lower limit, there is virtually no lubricity, and above the upper limit, workability is extremely poor, resulting in degraded corrosion resistance and hardness. The molding 2b is extremely good in spalling resistance, but is eroded at its high temp. part and does not withstand long-term use; it is therefore combined with oxide ceramics 2a such as Al2O3.
JP14005580A 1980-10-06 1980-10-06 Feed nozzle for continuous casting of small diameter rod Pending JPS5764448A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14005580A JPS5764448A (en) 1980-10-06 1980-10-06 Feed nozzle for continuous casting of small diameter rod

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14005580A JPS5764448A (en) 1980-10-06 1980-10-06 Feed nozzle for continuous casting of small diameter rod

Publications (1)

Publication Number Publication Date
JPS5764448A true JPS5764448A (en) 1982-04-19

Family

ID=15259930

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14005580A Pending JPS5764448A (en) 1980-10-06 1980-10-06 Feed nozzle for continuous casting of small diameter rod

Country Status (1)

Country Link
JP (1) JPS5764448A (en)

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