Title:
浸炭歯車用鋼、浸炭歯車及び浸炭歯車の製造方法
Document Type and Number:
Japanese Patent JP7295417
Kind Code:
B2
Abstract:
To provide steel for a carburized gear and a manufacturing method of a carburized gear that are able to manufacture a carburized gear excellent in corrosion resistance in manufacturing a carburized gear by gas carburation hardening, and to provide a carburized gear excellent in corrosion resistance.SOLUTION: Steel for a carburized gear is composed of C: 0.26-0.32%, Si: 0.40-1.00%, Mn: 0.80-2.00%, Cr: 0.60-1.10%, S: 0.001-0.050%, N: 0.004-0.030%, Al: 0.001-0.100%, Ca: 0.0001-0.0100%, O: 0.005% or less, P: 0.05% or less in mass%, and the balance: Fe and impurities.SELECTED DRAWING: None
Inventors:
Tatsuya Koyama
Satoshi Shiga
Yutaka Neishi
Satoshi Shiga
Yutaka Neishi
Application Number:
JP2019148141A
Publication Date:
June 21, 2023
Filing Date:
August 09, 2019
Export Citation:
Assignee:
Nippon Steel Corporation
International Classes:
C22C38/00; C21D1/06; C21D9/32; C22C38/60
Domestic Patent References:
| JP2007308772A | ||||
| JP2015147962A | ||||
| JP5263183A | ||||
| JP7157842A |
Foreign References:
| WO2019054448A1 | ||||
| WO2015098106A1 |
Attorney, Agent or Firm:
Patent Attorney Corporation Taiyo International Patent Office
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