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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)
Application Number:
PCT/JP2019/013491
Publication Date:
October 03, 2019
Filing Date:
March 28, 2019
Export Citation:
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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:
JPH10110206A1998-04-28
JPH0649573A1994-02-22
JPH01294844A1989-11-28
JPH04358054A1992-12-11
JPH01230759A1989-09-14
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