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Title:
HEAT-RESISTANT, CORROSION-RESISTANT HIGH Cr CONTENT Ni-BASED ALLOY WITH EXCELLENT HOT FORGEABILITY
Document Type and Number:
WIPO Patent Application WO/2017/159256
Kind Code:
A1
Abstract:
A heat-resistant, corrosion-resistant high Cr content Ni-based alloy with excellent hot forgeability containing, in mass%, Cr: 43.1-45.5%, Mo: 0.5-1.5%, Mg: 0.0001-0.0090%, N: 0.001-0.040%, Mn: 0.05-0.50%, Si: 0.01-0.10%, Fe: 0.05-1.00%, Co: 0.01%-1.00%, Al: 0.01-0.30%, Ti: 0.04-0.3%, V: 0.0003%-0.0900%, B: 0.0001-0.0100%, and Zr: 0.001-0.050%, also containing as necessary, one or more of (a)-(d), and the balance consisting of Ni and unavoidable impurities. (a) Cu: 0.001-0.020%, (b) W: 0.001-0.100%, (c) Ca: 0.0001 to less than 0.0020%, (d) Nb: 0.001% to less than 0.100%.

Inventors:
SUGAHARA, Katsuo (1230, Kamihideya, Okegawa-sh, Saitama 10, 〒3638510, JP)
Application Number:
JP2017/006656
Publication Date:
September 21, 2017
Filing Date:
February 22, 2017
Export Citation:
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Assignee:
HITACHI METALS MMC SUPERALLOY, LTD. (1230, Kamihideya Okegawa-sh, Saitama 10, 〒3638510, JP)
HITACHI METALS, LTD. (2-70, Konan 1-chome Minato-k, Tokyo 24, 〒1088224, JP)
International Classes:
C22C19/05; F22B37/04
Domestic Patent References:
WO2015129063A12015-09-03
Foreign References:
JPS512413B11976-01-26
JP2008291281A2008-12-04
Attorney, Agent or Firm:
OKUYAMA, Shoichi et al. (7th Floor, Akasaka Eight One Building 13-5, Nagata-cho 2-chome, Chiyoda-k, Tokyo 14, 〒1000014, JP)
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