Invention Patent
- Patent Title: Hardened steel, a method of manufacturing carburizing parts, and hardened steel
- Patent Title (中): 空值
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Application No.: JP2010524688Application Date: 2010-01-13
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Publication No.: JP4709944B2Publication Date: 2011-06-29
- Inventor: 学 久保田 , 慶 宮西 , 修司 小澤 , 雅之 橋村 , 達朗 越智
- Applicant: 新日本製鐵株式会社
- Assignee: 新日本製鐵株式会社
- Current Assignee: 新日本製鐵株式会社
- Priority: JP2009008174 2009-01-16
- Main IPC: C22C38/00
- IPC: C22C38/00 ; C21D8/06 ; C22C38/60
Abstract:
This case hardening steel has a chemical composition including, by mass%: C: 0.1 to 0.6%; Si: 0.02 to 1.5%; Mn: 0.3 to 1.8%; P: 0.025% or less; S: 0.001 to 0.15%; Al: over 0.05 to 1.0%; Ti: 0.05 to 0.2%; N: 0.01% or less; and O: 0.0025% or less, and further including, by mass%, one or more of Cr: 0.4 to 2.0%, Mo: 0.02 to 1.5%, Ni: 0.1 to 3.5%, V: 0.02 to 0.5%, and B: 0.0002 to 0.005%, and the balance consisting of iron and unavoidable impurities.
Public/Granted literature
- JPWO2010082481A1 肌焼鋼、浸炭部品、及び肌焼鋼の製造方法 Public/Granted day:2012-07-05
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