Title:
AUSTENITIC STEEL SINTERED MATERIAL, AUSTENITIC STEEL POWDER AND TURBINE MEMBER
Document Type and Number:
WIPO Patent Application WO/2020/105496
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide an austenitic steel sintered material, an austenitic steel powder and a turbine member, which exhibit strength that is at least equivalent to that of a Ni-based alloy and which are unlikely to be affected by oxygen. Provided are an austenitic steel sintered material and an austenitic steel powder which contain, in terms of mass%, 25-50% of Ni, 12-25% of Cr, 3-6% of Nb, 0.001-0.05% of B, 1.6% or less of Ti, 6% or less of W, 4.8% or less of Mo and 0.5% or less of Zr, with the remainder comprising Fe and unavoidable impurities.
Inventors:
SHIBAYAMA TAKASHI (JP)
IMANO SHINYA (JP)
IMANO SHINYA (JP)
Application Number:
PCT/JP2019/044163
Publication Date:
May 28, 2020
Filing Date:
November 11, 2019
Export Citation:
Assignee:
MITSUBISHI HITACHI POWER SYS (JP)
International Classes:
C22C38/00; B22F5/04; C22C33/02; C22C38/54; F01D5/28; F01D25/00
Foreign References:
| JPS58130258A | 1983-08-03 | |||
| JPS61223106A | 1986-10-03 | |||
| JPH09263874A | 1997-10-07 | |||
| JPS5877536A | 1983-05-10 |
Attorney, Agent or Firm:
POLAIRE I.P.C. (JP)
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