Title:
BEARING STEEL AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2018/188008
Kind Code:
A1
Abstract:
Disclosed is a bearing steel, with the components thereof in percentage by weight being: C: 0.75-0.85％; Si: 0.15-0.35％; Mn: 0.25-0.40％; Cr: 1.40-1.60％; Ni: 0.05-0.09％; Mo: 0.02-0.08％; Al: 0.005-0.020％; Cu: 0.02-0.08％; Ce: 0.005-0.03％; P: less than or equal to 0.010％; S: less than or equal to 0.008％; Ti: less than or equal to 0.0020％; O: less than or equal to 0.0008％; As: less than or equal to 0.012％; Sn: less than or equal to 0.002％; Sb: less than or equal to 0.0050％; Pb: less than or equal to 0.0020％; Ca: less than or equal to 0.0010％; and the balance being Fe. Further disclosed is a method for preparing the bearing steel.
Inventors:
WANG YUYUAN (CN)
ZHANG CHENGLIAN (CN)
ZHANG CHENGLIAN (CN)
Application Number:
PCT/CN2017/080351
Publication Date:
October 18, 2018
Filing Date:
April 13, 2017
Export Citation:
Assignee:
LONG NAN RI SHENG CHANG NEW MAT R&D CO LTD (CN)
International Classes:
C22C38/42; B21C37/04; C22C33/04; C22C38/02; C22C38/04; C22C38/06; C22C38/44
Foreign References:
| CN107119239A | 2017-09-01 | |||
| CN106086678A | 2016-11-09 | |||
| CN103201399A | 2013-07-10 | |||
| KR20120058258A | 2012-06-07 |
Attorney, Agent or Firm:
GREEN TREE IP LAW FIRM (CN)
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