Title:
Ni-BASED ALLOY AND HEAT-RESISTANT SHEET MATERIAL OBTAINED USING SAME
Document Type and Number:
WIPO Patent Application WO/2019/182024
Kind Code:
A1
Abstract:
The present invention provides a Ni-based alloy which exhibits high strength at high temperatures and which can be easily hot-worked; and a heat-resistant sheet material obtained using same. This Ni-Based alloy contains, in terms of mass%, 0.002-0.10% of C, less than 1.0% of Si, not more than 1.0% of Mn, not more than 0.04% (including 0%) of P, not more than 0.01% (including 0%) of S, 15.0-25.0% of Cr, 0.1-18.0% of Co, not less than 2.0% and less than 4.0% of Mo, 3.0-5.0% of Al, not less than 0.01% and less than 0.5% of Ti, 0.01-0.1% of Zr, 0.001-0.015% of B, not more than 3.0% of Fe, Mg or Mg+ at a quantity that is 0.6 times the quantity of Ca and is 0.0005-0.01%, not more than 0.01% (including 0%) of N and not more than 0.005% (including 0%) of O, with the remainder comprising Ni and unavoidable impurities. The value of S/Mg or S/(Mg+0.6×Ca) is not more than 1.0, and the value of G represented by formula (1) is 30-45. Formula (1): G=7+0.11Cr+8.23Al+4.66Ti-0.13(Ni+Co)
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Inventors:
UEHARA TOSHIHIRO (JP)
MOMONO SHOGO (JP)
MOMONO SHOGO (JP)
Application Number:
PCT/JP2019/011755
Publication Date:
September 26, 2019
Filing Date:
March 20, 2019
Export Citation:
Assignee:
HITACHI METALS LTD (JP)
International Classes:
C22C19/05; C22F1/00; C22F1/10
Domestic Patent References:
| WO2017104755A1 | 2017-06-22 |
Foreign References:
| JP2008075171A | 2008-04-03 | |||
| JP2008144202A | 2008-06-26 | |||
| JP2016132824A | 2016-07-25 |
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