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Title:
CONTINUOUS CASTING METHOD
Document Type and Number:
Japanese Patent JP2013208641
Kind Code:
A
Abstract:

To provide a continuous casting method which suppresses an increase in a nitrogen content and reduces surface defects in casting a metal piece.

A continuous casting device 100 for casting a stainless steel piece 3c includes a long nozzle 2 extending in a tundish 101 and arranged on a ladle 1 in order to inject stainless molten steel 3 in the ladle 1 into the tundish 101. Furthermore, nitrogen gas 4 as seal gas is supplied in a periphery of the stainless molten steel 3 in the tundish 101. As an injection port 2a of the long nozzle 2 is immersed in the stainless molten steel 3 in the tundish 101, the stainless molten steel 3 is injected in the tundish 101 through the long nozzle 2, and the stainless molten steel 3 in the tundish 101 is injected in a mold 105 to continuously cast the stainless steel piece 3c.


Inventors:
HONDA HIROKI
MORIKAWA HIROSHI
Application Number:
JP2012080141A
Publication Date:
October 10, 2013
Filing Date:
March 30, 2012
Export Citation:
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Assignee:
NISSHIN STEEL CO LTD
International Classes:
B22D11/106; B22D11/00; B22D11/10; B22D11/108
Domestic Patent References:
JPH02187239A1990-07-23
JPH07232242A1995-09-05
JP2012061516A2012-03-29
JPS57184563A1982-11-13
Attorney, Agent or Firm:
Michiharu Soga
Kajinami order
Masahiro Taguchi



 
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