NI GROUP SUPERALLOY CASTING MATERIAL AND NI GROUP SUPERALLOY PRODUCT USING SAME

Title:

NI GROUP SUPERALLOY CASTING MATERIAL AND NI GROUP SUPERALLOY PRODUCT USING SAME

Document Type and Number:

WIPO Patent Application WO/2019/193630

Kind Code:

A1

Abstract:

The present invention addresses the problem of providing a Ni group superalloy casting material which can achieve corrosion resistance equal to or greater than that of a conventional material while maintaining mechanical properties equivalent to a conventional precision casting material, and which can reduce costs. A Ni group superalloy casting material according to the present invention is a polycrystalline casting material that includes, in mass%, 12.1-16% of Cr, 4-16% of Co, 3-5% of Al, 2.1-3.3% of Ti, 3.5-9% of W, 1-2.4% of Mo, at most 1.2% of Nb, 0.005-0.05% of B, 0.03-0.2% of C, and 0-0.005% of O (exclusive of 0%), with the remainder comprising Ni and other impurities.

More Like This:

JPS5856747	[Title of the Invention] A heat treating method which has improved the Grain boundary-proof stress-corrosion-cracking nature of a gamma prime precipitation strengthening type nickel machine alloy used in warm water
WO/2018/066573	AUSTENITIC HEAT-RESISTANT ALLOY AND WELDING JOINT USING SAME
JP3960069	HEAT TREATMENT METHOD FOR Ni-BASE ALLOY TUBE

Inventors:

YOSHINARI AKIRA (JP)
WANG YUTING (JP)
TANAKA SHIGERU (JP)
IZUMI TAKESHI (JP)

Application Number:

PCT/JP2018/014117

Publication Date:

October 10, 2019

Filing Date:

April 02, 2018

Export Citation:

Click for automatic bibliography generation Help

Assignee:

MITSUBISHI HITACHI POWER SYS (JP)

International Classes:

C22C19/05; B22D21/00; C22F1/10; C22F1/00

Domestic Patent References:

WO2000044949A1

2000-08-03

Foreign References:

JP2015165046A	2015-09-17
JP2004197131A	2004-07-15
JP2013199680A	2013-10-03
JP2003013161A	2003-01-15
JP2004197131A	2004-07-15
JPS4627144B1
JPS5134819A	1976-03-24
JPH0657359A	1994-03-01

Other References: