Title:
AUSTENITIC HEAT-RESISTANT STEEL AND TURBINE COMPONENT
Document Type and Number:
WIPO Patent Application WO/2016/142963
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide austenitic heat-resistant steel which has sufficiently low linear expansion coefficient, while having excellent embrittlement resistance characteristics. Austenitic heat-resistant steel according to one embodiment of the present invention contains, in mass%, 24-50% of Ni, 5-13% of Cr, 0.1-12% of Co, 0.1-5% of Nb, 0.1-0.5% of V, 1.9-2.35% of Ti, 0.01-0.30% of Al, 0.001-0.05% of B, 0.001-0.1% of C and 0.001-4% of Si, with the balance made up of Fe and unavoidable impurities.
Inventors:
OINUMA SHUN (JP)
IMAI KIYOSHI (JP)
MIYASHITA SHIGEKAZU (JP)
NEMOTO KUNIYOSHI (JP)
IMAI KIYOSHI (JP)
MIYASHITA SHIGEKAZU (JP)
NEMOTO KUNIYOSHI (JP)
Application Number:
PCT/JP2015/001236
Publication Date:
September 15, 2016
Filing Date:
March 06, 2015
Export Citation:
Assignee:
TOSHIBA KK (JP)
International Classes:
C22C38/00; C21D9/00; C22C38/54; C22C38/58; F01D5/28; F01D25/00; F01D25/24; F02C7/00
Foreign References:
| JP2015030873A | 2015-02-16 | |||
| JPH0448051A | 1992-02-18 | |||
| JP2005002451A | 2005-01-06 |
Attorney, Agent or Firm:
SAKURA PATENT OFFICE, p. c. (JP)
Patent business corporation cherry tree international patent firm (JP)
Patent business corporation cherry tree international patent firm (JP)
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