Title:
MARAGING STEEL POWDER FOR LAMINATION SHAPING, MARAGING STEEL LAMINATION SHAPED ARTICLE, AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2023/182416
Kind Code:
A1
Abstract:
Provided is a maraging steel powder from which it is possible to obtain, while reducing Co as much as possible, a lamination shaped article having excellent thermal fatigue life characteristics and exhibiting little deformation after being shaped. This maraging steel powder for lamination shaping comprises, in mass%, 0.02% or less of C, 0.1-0.3% of Si, 16-20% of Ni, 0.1% or less of Co, 2.5-3.5% of Mo, 1.5-2.5% of Ti, and 0.01% or less of Al, the remaining portion being Fe and unavoidable impurities. This maraging steel lamination shaped article comprises 0.02% or less of C, 0.1-0.3% of Si, 16-20% of Ni, 0.1% or less of Co, 2.5-3.5% of Mo, 1.5-2.5% of Ti, and 0.01% or less of Al, the remaining portion being Fe and unavoidable impurities.
Inventors:
SAITO DAIKI (JP)
FUKUZAWA NORIHIDE (JP)
SAITO KAZUYA (JP)
FUKUMOTO SHIHO (JP)
FUKUZAWA NORIHIDE (JP)
SAITO KAZUYA (JP)
FUKUMOTO SHIHO (JP)
Application Number:
PCT/JP2023/011469
Publication Date:
September 28, 2023
Filing Date:
March 23, 2023
Export Citation:
Assignee:
PROTERIAL LTD (JP)
International Classes:
B22F1/00; B22D17/22; B22F3/24; B22F10/28; B22F10/64; B33Y70/00; B33Y80/00; C22C38/00; C22C38/14
Domestic Patent References:
| WO2019124296A1 | 2019-06-27 |
Foreign References:
| JP2019073752A | 2019-05-16 |
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