Title:
HOT-WORKING TOOL AND METHOD FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2013/115138
Kind Code:
A1
Abstract:
Provided is a hot-working tool having superior seize resistance. The present embodiment of a hot-working tool is provided with a substrate and a plating film. The plating film is formed at the substrate surface. Furthermore, the plating film contains, by mass%, 36-44% of W, the remainder comprising Ni and impurities, and has a Vickers hardness of at least 900. Preferably, the plating film having a Vickers hardness of at least 900 is formed by means of heat treatment at a furnace temperature of at least 350°C and an in-furnace time of no greater than one hour.
Inventors:
ISHII KAZUYA (JP)
KIMOTO MASAYA (JP)
IIDA SUMIO (JP)
HIDAKA YASUYOSHI (JP)
SHIMODA KAZUHIRO (JP)
KIMOTO MASAYA (JP)
IIDA SUMIO (JP)
HIDAKA YASUYOSHI (JP)
SHIMODA KAZUHIRO (JP)
Application Number:
PCT/JP2013/051773
Publication Date:
August 08, 2013
Filing Date:
January 28, 2013
Export Citation:
Assignee:
NIPPON STEEL & SUMITOMO METAL CORP (JP)
International Classes:
B21B25/00; B21B17/08; C25D5/50; C25D7/00
Foreign References:
| JPH0847714A | 1996-02-20 | |||
| JPS58221298A | 1983-12-22 | |||
| JPS58167058A | 1983-10-03 | |||
| JPH04365894A | 1992-12-17 | |||
| JPS5015743A | 1975-02-19 | |||
| JPS4534682B | ||||
| JPS474897Y1 | 1972-02-21 | |||
| JPH04120297A | 1992-04-21 | |||
| JPS60135593A | 1985-07-18 |
Attorney, Agent or Firm:
UEBA Hidetoshi et al. (JP)
Hidetoshi Ueha (JP)
Hidetoshi Ueha (JP)
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Claims: