Title:
Cr-Ni BASED ALLOY, RAPIDLY SOLIDIFIED MOLDED BODY MADE OF Cr-Ni BASED ALLOY, ALLOY POWDER, POWDER METALLURGY MOLDED BODY, CAST MOLDED BODY, PRODUCTION METHOD FOR Cr-Ni BASED ALLOY AND MECHANICAL EQUIPMENT USING Cr-Ni BASED ALLOY, AND PIPING MEMBER
Document Type and Number:
WIPO Patent Application WO/2019/189531
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing a Cr-Ni based alloy which is a metal material that can be advantageously used in a harsh environment such as an oil well and has both high erosion resistance and high wear resistance that is equal to or better than conventional materials, and is also low-cost. A Cr-Ni based alloy according to the present invention comprises, by mass%: more than 40.0% and no more than 65.0% of Cr; 0-35.0% of Fe; 0% or more and less than 2.0% of Mn; any of (1) over 1.1% and no more than 4.0% of C, (2) 0.7-3.0% of B, and (3) 0.5-2.5% of C; and more than 0% and no more than 20% of Nb, wherein the remainder is made up of Ni and unavoidable impurities, and said Ni is 15% or more.
Inventors:
HASEGAWA MITSURU (JP)
NISHIDA JUNICHI (JP)
NOJIMA MASAFUMI (JP)
UEHARA TOSHIHIRO (JP)
KIMURA TOMONORI (JP)
AONO YASUHISA (JP)
NISHIDA JUNICHI (JP)
NOJIMA MASAFUMI (JP)
UEHARA TOSHIHIRO (JP)
KIMURA TOMONORI (JP)
AONO YASUHISA (JP)
Application Number:
PCT/JP2019/013491
Publication Date:
October 03, 2019
Filing Date:
March 28, 2019
Export Citation:
Assignee:
HITACHI METALS LTD (JP)
International Classes:
C22C27/06; B22F1/00; B22F3/02; B22F9/04; B22F9/08; B23K35/30; B23K35/32; C22C19/05
Foreign References:
| JPH10110206A | 1998-04-28 | |||
| JPH0649573A | 1994-02-22 | |||
| JPH01294844A | 1989-11-28 | |||
| JPH04358054A | 1992-12-11 | |||
| JPH01230759A | 1989-09-14 |
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