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Patent Searching and Data


Title:
CEMENTED CARBIDE AND CEMENTED CARBIDE COMPOSITE ROLL FOR ROLLING
Document Type and Number:
WIPO Patent Application WO/2019/151389
Kind Code:
A1
Abstract:
This cemented carbide is characterized by containing 55-90 parts by mass of WC particles and 10-45 parts by mass of a binder phase with Fe as the main component, wherein the binder phase contains 0.5-10 mass% Ni, 0.2-2 mass% C, 0.5-5 mass% Cr, 0.2-2.0 mass% Si and 0.1-5 mass% W, and the remainder has a composition of Fe and unavoidable impurities and contains 0.05-2.0 area% of particles having Fe-Si-O as the main component.

Inventors:
OHATA TAKUMI (JP)
Application Number:
JP2019/003349
Publication Date:
August 08, 2019
Filing Date:
January 31, 2019
Export Citation:
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Assignee:
HITACHI METALS LTD (Postcode1088224, JP)
International Classes:
C22C29/08; B21B27/00; B21B27/03; B23B27/14; C22C1/05; C22C38/00
Domestic Patent References:
WO2018025848A12018-02-08
Foreign References:
JP2001081526A2001-03-27
JPS5613458A1981-02-09
Attorney, Agent or Firm:
TAKAISHI Kitsuma (Postcode1620825, JP)
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