Title:
REFRACTORY COMPOSITION AND WELL BLOCK FOR STEEL CASTING MANUFACTURED THEREFROM
Document Type and Number:
WIPO Patent Application WO/2017/090929
Kind Code:
A1
Abstract:
The present invention relates to a refractory composition and a well block for steel casting manufactured therefrom , the composition containing magnesia clinker and a carbon-containing raw material as main ingredients, the carbon-containing raw material containing flaky graphite and at least one of carbon black and pitch, the main ingredients containing, on the basis of 100 wt% of the refractory composition, 85.5-89.7 wt% of magnesia clinker, 4-9 wt% of flaky graphite, and 1-2 wt% of at least one of carbon black and pitch, wherein the well block for steel casting having a refractory material is manufactured by firing after compression molding, thereby improving the corrosion resistance to high - salt slag and FeO, thus providing high melting resistance.
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Inventors:
JEONG DOO HOA (KR)
LEE YOUNG JU (KR)
LEE YOUNG JU (KR)
Application Number:
PCT/KR2016/013162
Publication Date:
June 01, 2017
Filing Date:
November 15, 2016
Export Citation:
Assignee:
POSCO (KR)
International Classes:
C04B35/626; B22D41/02; B22D41/50; C04B35/52; C04B35/657; C04B35/66
Foreign References:
| KR101350471B1 | 2014-01-15 | |||
| KR101203630B1 | 2012-11-23 | |||
| KR20060024246A | 2006-03-16 | |||
| KR20040093513A | 2004-11-06 | |||
| KR101157045B1 | 2012-06-21 |
Attorney, Agent or Firm:
NAM, Seung-Hee (KR)
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